[Retros] Probleemblad 2005

[Joost de Heer]

Probleemblad 2005 is still missing from the retro corner. Here are the 
originals from those issues. Hope I didn't make too many typing errors....

Probleemblad 1-2005 (Jan-Feb)

R268 - Unto Heinonen
rsbq1b2/ppppp3/5p1s/7p/P5rk/1P1P4/1P3PP1/SBQKBSRR (14+15)
SPG 18.5

R269 - Jorge Lois, Roberto Osorio
rsbq1b2/1p1pp1p1/1k3pr1/2p3ps/4BBQ1/1P1PPP2/1PP4P/RSR1S1K1 (15+15)
SPG 20.0

R270 - Martin van Essen
8/8/5pP1/8/2S2k1p/5p1P/5SPK/6BR (8+4)
-1 & s#1

R271 - Roberto Osorio
1rbqks1r/pppppppp/4S3/8/8/8/PPPPPPPP/SRBQKB1R (16+14)
-3 & #1, Proca retractor, Relay chess with retroanalysis

R272 - Klaus Wenda
2bB4/2P3S1/1P1k3b/8/8/6r1/8/4K3 (5+4)
-4 & #1, Proca retractor, Anticirce

R273 - Wolfgang Dittmann
8/8/2kr1P2/3b3B/3p3p/2P2PB1/P1K2R1p/1S6 (9+6)
-5 & #1, Proca retractor, Anticirce

Probleemblad 2-2005 (Mar-Apr)

R274 - Francois Labelle, Joost de Heer
rsbqkbsr/pp1p1ppp/8/8/8/8/PP1P1PPP/RSBQKBSR (14+14)
SPG 7.0 (2 solutions)

R275 - Mario Parrinello
2b3B1/1pspk2p/1p1p1r2/2pr4/5p1s/1P2P3/1PP1PP2/1SBQK1SR (13+13)
SPG 19.5

R276 - Jorge Lois, Roberto Osorio
rsbqkbsr/pppppppp/B1Q5/8/P3P3/2S5/3PKPPP/RSB4R (14+16)
Exact proofgame in 15.0, Andernach chess

Probleemblad 3-2005 (May-Jun)

R277 - Peter van den Heuvel
r1bqk3/ppppbpRp/8/8/8/8/P1P1PPPP/1r1QKBSR (12+12)
SPG 10.0

R278 - Unto Heinonen
In memoriam Jan Hannelius
2b1k3/2p1s2P/s1rpp2Q/p1q1p3/1br1p3/7B/1PPP1P1P/1SB1K1SR (13+14)
SPG 17.0

R279 - Michel Caillaud
3sb3/2qrspp1/3k4/2pp3r/8/6b1/1P2PPPp/RSBQKBSR (12+13)
SPG 19.5

R280 - Michel Caillaud
1s6/p2p1p2/5kb1/p6p/4s3/4b1r1/P2P1rP1/RSBQKBSR (11+12)
SPG 19.5

R281 - Nicolas Dupont, Michel Caillaud
rsbqkbsQ/2ppp1pp/4B3/6K1/P5R1/S1P2P1P/4PB1S/7R (13+12)
SPG 20.0

R282 - Klaus Wenda
4S3/bs5s/4p3/p2P2qr/r7/3K4/1pp2p2/2Bk4 (4+12)
-7 & #1, Proca retractor, Anticirce Cheylan

Probleemblad 4-2005 (Jul-Aug)

R283 - Eyjolfur Eyjolfsson
rs1qkbR1/p1pppp2/1p6/7p/8/8/PPPPQP2/RSB1KBS1 (13+12)
SPG 7.0 (2 solutions)

R284 - Thierry le Gleuher
4bS2/p1p3p1/1s1p4/1p1s1r2/kr1Q1p2/q7/1PPP1PPP/RSB1K1SR (14+13)
SPG 20.5

R285c - Reto Aschwanden
rsb1kbsr/Rp1R1ppp/pQ6/7P/7K/1Pp1P1P1/P1B3P1/B5S1 (13+13)
Exact proofgame in 22.0

R286 - Martin van Essen
6s1/1pp1Pp2/3pr2S/5P1p/1spK1kPp/2P2b2/1PP5/2b3rq (8+15)
-1 black & h#1

Probleemblad 5-2005 (Sep-Oct)

R287 - Eyjolfur Eyjolfsson
1sbqkbsr/3ppppp/8/8/8/8/2PPPPPP/RrBQKBSR (13+13)
SPG 6.5 (2 solutions)

R288 - Unto Heinonen
3s2S1/p4p1p/q2p1p1k/rpp1Bb2/1b1P2Qr/2s1P3/PPP2P2/RS2K1SR (14+15)
SPG 22.5

R289 - Andrei Kornilov
2bb1SBq/ppPrrP2/2pppKpk/5p1p/8/P7/1P3PPP/8 (10+14)
Release the position

R290 - Dmitri Baibikov
7B/1G2P3/P3pkP1/5g1b/3PPRqQ/3pK1rB/1p1P2Rr/6bS (14+10)
Add pieces for a legal position (b7, f5=Giraffe=(1,4)-jumper)

R291 - Wolfgang Dittmann
b1r4k/6pP/1K3PpP/8/Pp6/6P1/5P1b/6B1 (8+7)
-9 & #1, Proca retractor, Anticirce

Probleemblad 6-2005 (Nov-Dec)

R292 - Eyjolfur Eyjolfsson
7R/ppp2ppp/4p3/6b1/qQBksrbB/2SP4/1PP2PPP/1SR1K3 (14+13)
SPG 17.5

R293 - Kostas Prentos, Endrei Frolkin
rsb2bsr/p2ppqpp/R1p2Q2/1p2SK2/8/P3P3/P1kPBP1P/RSB5 (14+15)
SPG 17.5

R294 - Satoshi Hashimoto
Ksbqkbsr/pp2pp1p/2pr4/QB2S1p1/2Pp2P1/P4P2/1P1PP2P/R1B3SR (16+16)
SPG 24.0

R295 - Rustam Ubaidullaev
rs1QKB1R/3p1pp1/1pp1p1s1/7p/pP2r2P/3PPPPB/P1P5/RSbqkbS1 (16+16)
SPG 25.5

R296 - Nicolas Dupont
2b1q3/3ps1p1/s6b/6k1/3r4/brs1K1p1/1PPP2PP/RSBQ1BSR (13+13)
SPG 27.5

R297 - Wolfgang Dittmann
8/b1P5/k7/p3S3/6p1/3b2pp/1P1p4/2s4K (4+9)
-5 & #1, Proca retractor, Anticirce