MESON Chess Problem Database
Problem Display
PID: 261212 (KbN4R/p1kpp1R1/n4p2/pPn2B2/Pp5p/1P4rp/7B/2Q5 w - - 0 1)
Goldschmeding, Cornelis
Neue Zurcher Zeitung, 1980
#2
10 + 13
| 6490 | yacpdb | 2022 |
SOLUTION
- SOUND
- Sets
- 1...d5
- 2.Rxe7#
- 2.Qf4#
- 1...d6
- 2.Rxe7#
- 1...e5
- 2.Rxd7#
- 1...d5
- Tries
- 1.Bxg3+?
- 1...d6
- 2.Bxd6#
- 2.Rxe7#
- 1...e5
- 2.Rxd7#
- 1...hxg3!
- 1...d6
- 1.Be6?
- 1...dxe6
- 2.Rxe7#
- 1...d5
- 2.Rxe7#
- 2.Qf4#
- 1...d6
- 2.Rxe7#
- 1...f5!
- 1...dxe6
- 1.Bxd7?
- 1...Kxd7
- 2.Rxe7#
- 1...e5
- 2.Bg4#
- 1...e6
- 2.Bxe6#
- 1...f5!
- 1...Kxd7
- 1.Rf7?
- 1...d5
- 2.Rxe7#
- 2.Qf4#
- 1...d6
- 2.Rxe7#
- 1...e5
- 2.Rxd7#
- 1...e6!
- 1...d5
- 1.Rgh7?
- 1...d5
- 2.Rxe7#
- 2.Qf4#
- 1...d6
- 2.Rxe7#
- 1...e5
- 2.Rxd7#
- 1...e6!
- 1...d5
- 1.Re8?
- 1...d5
- 2.Rgxe7#
- 2.Qf4#
- 1...d6
- 2.Rgxe7#
- 1...e5
- 2.Rxd7#
- 1...e6!
- 1...d5
- 1.Rf8?
- 1...d5
- 2.Rxe7#
- 2.Qf4#
- 1...d6
- 2.Rxe7#
- 1...e5
- 2.Rxd7#
- 1...e6!
- 1...d5
- 1.Rhg8?
- 1...d5
- 2.Rxe7#
- 2.Qf4#
- 1...d6
- 2.Rxe7#
- 1...e5
- 2.Rxd7#
- 1...e6!
- 1...d5
- 1.Qf4+?
- 1...d6
- 2.Qxd6#
- 1...e5!
- 1...d6
- 1.Qc2?
- 1...d5
- 2.Rxe7#
- 1...d6
- 2.Rxe7#
- 1...e5
- 2.Rxd7#
- 1...e6!
- 1...d5
- 1.Qc4?
- 1...d5
- 2.Rxe7#
- 2.Qf4#
- 1...d6
- 2.Rxe7#
- 1...e5
- 2.Rxd7#
- 1...e6!
- 1...d5
- 1.Bxg3+?
- Keys
- 1.Sxe7!
- 1...Kb6
- 2.Sd5#
- 1...Kd6
- 2.Qf4#
- 1...d5
- 2.Sc8#
- 1...d6
- 2.Sd5#
- 1...Kb6
- 1.Sxe7!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 1
- ADDED MATES = 3
- REMOVED MATES = 1
- Sets
- P(k);N_SPINR(a),OGATEB,P_SPINP(l)::R(G),XP(l)
- P(l);N_SPINR(a),OGATE,P_SPINP(k)::R1(G),XP(k)
- Tries
- Try
- B(B);CHECK,XR(a)
- Vars
- P(l);OGATE,P_SPINP(l)::R1(G),XP(k)
- Refutation
- P(d);XB(B)
- Try
- B(F);
- Vars
- P(k);OGATEB,P_SPINP(l),XB(F)::R(G),XP(l)
- P(k);N_SPINR(a),OGATEB,P_SPINP(l)::R(G),XP(l)
- Refutation
- P(h);
- Try
- B(F);XP(k)
- Vars
- K(j);N_SPINR(a),N_SPINS(f),OGATEB,P-FLIGHT,P_SPINP(l),XB(F)::R1(G),XP(l)
- P(l);N_SPINR(a),OGATEB::R(G)+B(F)
- P(l);OGATEB::R(G)+B(F),XP(l)
- Refutation
- P(h);
- Try
- R(G);
- Vars
- P(k);N_SPINR(a),OGATEB,P_SPINP(l)::R(G),XP(l)
- P(l);N_SPINR(a),OGATE,P_SPINP(k)::R1(G),XP(k)
- Refutation
- P(l);P_SPINP(k)
- Try
- R(G);
- Vars
- P(k);N_SPINR(a),OGATEB,P_SPINP(l)::R(G),XP(l)
- P(l);N_SPINR(a),OGATE,P_SPINP(k)::R1(G),XP(k)
- Refutation
- P(l);P_SPINP(k)
- Try
- R(J);
- Vars
- P(k);N_SPINR(a),OGATEB,P_SPINP(l)::R(G),XP(l)
- P(l);N_SPINR(a),OGATE,P_SPINP(k)::R1(G),XP(k)
- Refutation
- P(l);P_SPINP(k)
- Try
- R(J);
- Vars
- P(k);N_SPINR(a),OGATEB,P_SPINP(l)::R(G),XP(l)
- P(l);N_SPINR(a),OGATE,P_SPINP(k)::R1(G),XP(k)
- Refutation
- P(l);P_SPINP(k)
- Try
- R(J);
- Vars
- P(k);N_SPINR(a),OGATEB,P_SPINP(l)::R(G),XP(l)
- P(l);N_SPINR(a),OGATE,P_SPINP(k)::R1(G),XP(k)
- Refutation
- P(l);P_SPINP(k)
- Try
- Q(A);CHECK,N_PINR(a),N_PINS(f)
- Vars
- P(k);P_SPINP(k),S_CUTP(l)::QAB1(A),XP(k)
- Refutation
- P(l);P_SPINP(l)
- Try
- Q(A);
- Vars
- P(k);OGATEB,P_SPINP(l)::R(G),XP(l)
- P(k);N_SPINR(a),OGATEB,P_SPINP(l)::R(G),XP(l)
- P(l);N_SPINR(a),OGATE,P_SPINP(k)::R1(G),XP(k)
- Refutation
- P(l);P_SPINP(k)
- Try
- Q(A);
- Vars
- P(k);N_SPINR(a),OGATEB,P_SPINP(l)::R(G),XP(l)
- P(l);N_SPINR(a),OGATE,P_SPINP(k)::R1(G),XP(k)
- Refutation
- P(l);P_SPINP(k)
- Try
- Actual
- S(I);XP(l)
- Vars
- K(j);N_GUARD,N_SPINR(a),N_SPINS(f),S_FLIGHT::S(I)
- K(j);N_GUARD,N_SPINS(f),S_CUTP(k),S_FLIGHT::QAB(A)
- P(k);::R(G)+S(I)
- P(k);N_SPINR(a),SBLOCK::R(G)+S(I),DCHECK
Developed and maintained by Brian Stephenson.
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