[Retros] Phénix 183
Thierry LE GLEUHER
t.legleuher at hotmail.fr
Sun Jan 24 12:44:30 EST 2010
Dear retro friends
There are (to update the retro corner), retro problems from Phenix 183 (April 2009) issue.
Sincerely
Thierry LE GLEUHER
5894 - Julio Alberto PANCALDO
4k2r/1p2p1p1/1rp1Ppp1/n1pp3b/8/1P5P/PRRPP1P1/4K2Q
+---+---+---+---+---+---+---+---+
| | . |
| . |*K | . | |*R |
+---+---+---+---+---+---+---+---+
| . |*P | . | |*P | |*P |
|
+---+---+---+---+---+---+---+---+
| |*R |*P | . | P |*P |*P | . |
+---+---+---+---+---+---+---+---+
|*N | |*P |*P | . | | . |*B |
+---+---+---+---+---+---+---+---+
| | . |
| . | | . | | . |
+---+---+---+---+---+---+---+---+
| . | P | . | | . | | . | P |
+---+---+---+---+---+---+---+---+
| P | R | R | P | P | . | P | .
|
+---+---+---+---+---+---+---+---+
| . | | . |
| K | | . | Q |
+---+---+---+---+---+---+---+---+
(11+13)
Add 1 wB, and #2
b) switch
wPh3 <--> wRb2
5895 - Michel CAILLAUD
r1b3r1/pp1p1pqp/2Pk1n1b/1n6/P4R1P/B3Kp2/1PP1P1P1/RN1Q1BN1
+---+---+---+---+---+---+---+---+
|*R | . |*B | . | | . |*R | . |
+---+---+---+---+---+---+---+---+
|*P |*P | . |*P | . |*P |*Q |*P
|
+---+---+---+---+---+---+---+---+
| | . | P |*K | |*N |
|*B |
+---+---+---+---+---+---+---+---+
| . |*N | . | | . | | . |
|
+---+---+---+---+---+---+---+---+
| P | . | | . | | R |
| P |
+---+---+---+---+---+---+---+---+
| B | | . |
| K |*P | . | |
+---+---+---+---+---+---+---+---+
| | P | P | . | P | . | P | . |
+---+---+---+---+---+---+---+---+
| R | N | . | Q | . | B | N
| |
+---+---+---+---+---+---+---+---+
(15+14) C+
Short proof game in 14.5 moves ?
6 last
single moves ?
5896 - Éric PICHOURON
1r4q1/1p1npk2/3b1p2/3p1rp1/b7/p7/PPP1PP2/RNBQKBNR
+---+---+---+---+---+---+---+---+
| |*R |
| . | | . |*Q | . |
+---+---+---+---+---+---+---+---+
| . |*P | . |*N |*P |*K | .
| |
+---+---+---+---+---+---+---+---+
| | . |
|*B | |*P | | . |
+---+---+---+---+---+---+---+---+
| . | | . |*P | . |*R |*P | |
+---+---+---+---+---+---+---+---+
|*B | . | | . | | . |
| . |
+---+---+---+---+---+---+---+---+
|*P | | . |
| . | | . | |
+---+---+---+---+---+---+---+---+
| P | P | P | . | P | P | | . |
+---+---+---+---+---+---+---+---+
| R | N | B | Q | K | B | N | R
|
+---+---+---+---+---+---+---+---+
(13+13) C+
Short proof game in 17.0 moves ?
5897 - Gianni DONATI
7r/ppp1bpp1/2p1pk2/nq1nrbp1/8/8/PPP1PPP1/RNBQKBNR
+---+---+---+---+---+---+---+---+
| | . |
| . | | . | |*R |
+---+---+---+---+---+---+---+---+
|*P |*P |*P | |*B |*P |*P | |
+---+---+---+---+---+---+---+---+
| | . |*P | . |*P |*K | | . |
+---+---+---+---+---+---+---+---+
|*N |*Q | . |*N |*R |*B |*P
| |
+---+---+---+---+---+---+---+---+
| | . |
| . | | . | | . |
+---+---+---+---+---+---+---+---+
| . | | . |
| . | | . | |
+---+---+---+---+---+---+---+---+
| P | P | P | . | P | P | P | .
|
+---+---+---+---+---+---+---+---+
| R | N | B | Q | K | B | N | R
|
+---+---+---+---+---+---+---+---+
(14+16) C+
Short proof game in 17.0 moves ?
5898 - Gianni DONATI
n5r1/p1pb1ppp/1p4n1/7k/1bp4q/7N/PPP1rPPP/RNBQK2R
+---+---+---+---+---+---+---+---+
|*N | . | | . | | . |*R | . |
+---+---+---+---+---+---+---+---+
|*P | |*P |*B | . |*P |*P |*P |
+---+---+---+---+---+---+---+---+
| |*P |
| . | | . |*N | . |
+---+---+---+---+---+---+---+---+
| . | | . |
| . | | . |*K |
+---+---+---+---+---+---+---+---+
| |*B |*P | . | | . |
|*Q |
+---+---+---+---+---+---+---+---+
| . | | . |
| . | | . | N |
+---+---+---+---+---+---+---+---+
| P | P | P | . |*R | P | P | P
|
+---+---+---+---+---+---+---+---+
| R | N | B | Q | K | | . | R |
+---+---+---+---+---+---+---+---+
(13+15) C+
Short proof game in 19.0 moves ?
5899 - Nicolas DUPONT
r2q3r/2p1nk2/1Pp4B/1n3p2/1P6/b1pB1P1b/2P1NPPQ/3RKNR1
+---+---+---+---+---+---+---+---+
|*R | . | |*Q | | . |
|*R |
+---+---+---+---+---+---+---+---+
| . | |*P |
|*N |*K | . | |
+---+---+---+---+---+---+---+---+
| | P |*P | . | | . |
| B |
+---+---+---+---+---+---+---+---+
| . |*N | . | | . |*P | . | |
+---+---+---+---+---+---+---+---+
| | P |
| . | | . | | . |
+---+---+---+---+---+---+---+---+
|*B | |*P | B | . | P | . |*B |
+---+---+---+---+---+---+---+---+
| | . | P | . | N | P | P | Q |
+---+---+---+---+---+---+---+---+
| . | | . | R | K | N | R | |
+---+---+---+---+---+---+---+---+
(14+12) C+
Short proof game in 28.0 moves ?
5900 - Alain BROBECKER
& Thierry LE GLEUHER
8/1pp1p3/P1p5/n2P3p/P1p5/NKN1N3/bPPP4/nkB5
+---+---+---+---+---+---+---+---+
| | . |
| . | | . | | . |
+---+---+---+---+---+---+---+---+
| . |*P |*P | |*P | | . |
|
+---+---+---+---+---+---+---+---+
| P | . |*P | . | | . | | . |
+---+---+---+---+---+---+---+---+
|*N | | . | P | . | | . |*P |
+---+---+---+---+---+---+---+---+
| P | . |*P | . | | . | | . |
+---+---+---+---+---+---+---+---+
| N | K | N | | N | | . |
|
+---+---+---+---+---+---+---+---+
|*B | P | P | P | | . | | . |
+---+---+---+---+---+---+---+---+
|*N |*K | B | | . | | . |
|
+---+---+---+---+---+---+---+---+
(11+10)
Which pieces are on the chessboard B ?
Alice chess
5901 - Alain BROBECKER
composed by computer
rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR
+---+---+---+---+---+---+---+---+
|*R |*N |*B |*Q |*K |*B |*N |*R
|
+---+---+---+---+---+---+---+---+
|*P |*P |*P |*P |*P |*P |*P |*P
|
+---+---+---+---+---+---+---+---+
| | . |
| . | | . | | . |
+---+---+---+---+---+---+---+---+
| . | | . |
| . | | . | |
+---+---+---+---+---+---+---+---+
| | . |
| . | | . | | . |
+---+---+---+---+---+---+---+---+
| . | | . |
| . | | . | |
+---+---+---+---+---+---+---+---+
| P | P | P | P | P | P | P | P
|
+---+---+---+---+---+---+---+---+
| R | N | B | Q | K | B | N | R
|
+---+---+---+---+---+---+---+---+
(16+16) C+
Find the single game ending with 4. ... Qxe4#
Grid chess
5902 - Henryk GRUDZINSKI
rnbr2k1/p1ppnppp/8/8/8/8/PPP1Pb2/RNBQKBNR
+---+---+---+---+---+---+---+---+
|*R |*N |*B |*R | | . |*K | . |
+---+---+---+---+---+---+---+---+
|*P | |*P |*P |*N |*P |*P |*P |
+---+---+---+---+---+---+---+---+
| | . |
| . | | . | | . |
+---+---+---+---+---+---+---+---+
| . | | . |
| . | | . | |
+---+---+---+---+---+---+---+---+
| | . |
| . | | . | | . |
+---+---+---+---+---+---+---+---+
| . | | . |
| . | | . | |
+---+---+---+---+---+---+---+---+
| P | P | P | . | P |*B | | . |
+---+---+---+---+---+---+---+---+
| R | N | B | Q | K | B | N | R
|
+---+---+---+---+---+---+---+---+
(12+13) C+
Short proof game in 8.0 moves ?
Grid chess
5903 - Étienne DUPUIS
rnb1kb1r/ppp2ppp/5Bn1/1B2p3/P2K3q/3P1P2/1PP3PP/RN2Q1NR
+---+---+---+---+---+---+---+---+
|*R |*N |*B | . |*K |*B | |*R |
+---+---+---+---+---+---+---+---+
|*P |*P |*P | | . |*P |*P |*P |
+---+---+---+---+---+---+---+---+
| | . |
| . | | B |*N | . |
+---+---+---+---+---+---+---+---+
| . | B | . | |*P | | . |
|
+---+---+---+---+---+---+---+---+
| P | . | | K | | . |
|*Q |
+---+---+---+---+---+---+---+---+
| . | | . | P | . | P | . | |
+---+---+---+---+---+---+---+---+
| | P | P | . | | . | P | P |
+---+---+---+---+---+---+---+---+
| R | N | . | | Q | | N | R |
+---+---+---+---+---+---+---+---+
(15+15)
Short proof game in 9.5 moves ?
Elliuortap
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