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Shakhmatnaya Kompozitsiya

No. 49

275 - A. Sigorov
Shakhmatnaya Kompozitsiya 49

[Q7/pp6/p7/k7/3P4/1K6/8/8]

3+4. #2

[Q7/pp6/p7/k7/3P4/1K6/8/8]


276 - V. Shupikov
Shakhmatnaya Kompozitsiya 49

[7n/5N1N/5PN1/5P1B/8/8/8/8]

1+6. Add the kings for a #1

[7n/5N1N/5PN1/5P1B/8/8/8/8]


277 - D. Garipov
Shakhmatnaya Kompozitsiya 49

[8/pKP5/B7/k7/n7/Q7/8/8]

4+3. #2 a) diagram b) Mirror a1<==>a8

[8/pKP5/B7/k7/n7/Q7/8/8]


278 - A. Leontiev
Shakhmatnaya Kompozitsiya 49

[2k1R3/4KN2/8/8/2Q5/8/8/R4n2]

5+2. Last move? (Anticirce, Isardam)

[2k1R3/4KN2/8/8/2Q5/8/8/R4n2]


279 - A. Yarosh
Shakhmatnaya Kompozitsiya 49

[N7/pNpppp2/kp6/8/6P1/K4PPb/PPPPPpBb/rrq1qRRn]

14+15. Draw

[N7/pNpppp2/kp6/8/6P1/K4PPb/PPPPPpBb/rrq1qRRn]


280 - A. Yarosh
Shakhmatnaya Kompozitsiya 49

[n5NR/3pkp1r/B3Prbp/BQPK1pPb/6p1/8/2P3P1/8]

11+11. Last 7 half-moves?

[n5NR/3pkp1r/B3Prbp/BQPK1pPb/6p1/8/2P3P1/8]


281 - V. Voinov
Shakhmatnaya Kompozitsiya 49

[2K1k2r/2p5/1P6/8/8/2R5/6n1/3R4]

4+4. Retract 1 white move for a #2

[2K1k2r/2p5/1P6/8/8/2R5/6n1/3R4]


282 - A. Zolotarev
Shakhmatnaya Kompozitsiya 49

[2nn4/2ppP3/2p3pp/2K5/1r1P4/bpkp4/pRPNN3/QRB5]

10+13. Minimal number of knight moves?

[2nn4/2ppP3/2p3pp/2K5/1r1P4/bpkp4/pRPNN3/QRB5]


283 - A. Zolotarev
Shakhmatnaya Kompozitsiya 49

[5b2/p3pp1N/3pRp1p/5K2/4P1n1/5k1b/4NP1n/2BBRQnb]

10+13. Minimal number of bishop moves?

[5b2/p3pp1N/3pRp1p/5K2/4P1n1/5k1b/4NP1n/2BBRQnb]


284 - A. Kislyak
Shakhmatnaya Kompozitsiya 49

[qn4nr/b1pppp1b/1p4p1/8/1p6/1P1KP1PN/B1PP2PP/N3k1R1]

12+14. Mate?

[qn4nr/b1pppp1b/1p4p1/8/1p6/1P1KP1PN/B1PP2PP/N3k1R1]


285 - A. Kislyak
Shakhmatnaya Kompozitsiya 49

[k1Q1N1n1/b1pppp1b/Kp4p1/n4p2/2P5/qP4P1/B1PPPP1B/8]

12+13. Mate in 1

[k1Q1N1n1/b1pppp1b/Kp4p1/n4p2/2P5/qP4P1/B1PPPP1B/8]


286 - F. Kapustin
Shakhmatnaya Kompozitsiya 49

[4k2r/p2pppp1/8/8/8/8/P2PPP1P/R3K3]

7+7. Win (Duplex)

[4k2r/p2pppp1/8/8/8/8/P2PPP1P/R3K3]


287 - R. Ubaidullaev
Shakhmatnaya Kompozitsiya 49

[r4B1r/qbpRpp1k/Bpnp3p/5npP/3P4/pN3PP1/PPPNP2b/2K1Q2R]

16+16. Shortest proof game in 23.0 moves

[r4B1r/qbpRpp1k/Bpnp3p/5npP/3P4/pN3PP1/PPPNP2b/2K1Q2R]


288 - R. Ubaidullaev
Shakhmatnaya Kompozitsiya 49

[rnk2Bnr/p1pqRp1R/3pp3/PB4pQ/1p1bPPP1/3P2Kp/1PP1N1bP/1N6]

16+16. Shortest proof game in 24.0 moves

[rnk2Bnr/p1pqRp1R/3pp3/PB4pQ/1p1bPPP1/3P2Kp/1PP1N1bP/1N6]

This problem was later found to be cooked. Correction:

16+16. Shortest proof game in 24.0 moves

[rnk2B1r/p1p1RpRQ/3ppnp1/PB3q2/1p2P1P1/2bP3p/1PPNNPbP/4K3]


289 - D. Baibikov
Shakhmatnaya Kompozitsiya 49

[5BRb/4Q1Pr/4K1pq/6pr/3N1p1k/PP1p1P1R/pp1P1PP1/4b2n]

13+13. Last 50 half-moves?

[5BRb/4Q1Pr/4K1pq/6pr/3N1p1k/PP1p1P1R/pp1P1PP1/4b2n]


290 - A. Zhuravlyevm and V. Chekarkov
Shakhmatnaya Kompozitsiya 49

"The rocket"

a) Transport to the start

[8/8/4R3/4KNkp/4B3/8/8/8]

4+2. #3

[8/8/4R3/4KNkp/4B3/8/8/8]

b) The start

[8/4p3/4k3/4N3/3RKB2/8/8/8]

4+2. #3

[8/4p3/4k3/4N3/3RKB2/8/8/8]

c) In space

[8/8/6p1/5k2/2B1N3/3K4/4R3/8]

4+2. #5

[8/8/6p1/5k2/2B1N3/3K4/4R3/8]

d) Braking

[2B5/1K6/R1N5/3k4/4p3/8/8/8]

4+2. #4

[2B5/1K6/R1N5/3k4/4p3/8/8/8]

e) The descent

[8/8/8/2BKR3/3N4/3k4/3p4/8]

4+2. Win

[8/8/8/2BKR3/3N4/3k4/3p4/8]


291 - D. Garipov
Shakhmatnaya Kompozitsiya 49

[8/p1NNP1pp/P1k1p1B1/KpP1P1R1/Q1p1P1p1/P1PpR1P1/8/8]

15+9. Add a bishop for #1

[8/p1NNP1pp/P1k1p1B1/KpP1P1R1/Q1p1P1p1/P1PpR1P1/8/8]


292 - A. Mashukevich
Shakhmatnaya Kompozitsiya 49

[rnbqkbNr/pppppppp/8/8/1K6/8/8/8]

2+15. Mate in 1

[rnbqkbNr/pppppppp/8/8/1K6/8/8/8]


293 - Y. Lebedev
Shakhmatnaya Kompozitsiya 49

[7b/B1kpp3/pp6/1r1K4/Pr2p3/pPp5/b2nPPP1/3q3n]

7+15. Last 7 half-moves?

[7b/B1kpp3/pp6/1r1K4/Pr2p3/pPp5/b2nPPP1/3q3n]