MESON Chess Problem Database
Problem Display
PID: 63831 (3b1Q1N/4P2P/2K2Npr/R4qk1/6Bp/2p2pBp/8/6R1 w - - 0 1)
Goldschmeding, Cornelis
1st Prize, The Problemist, 1977
#2
10 + 9
| 3750 | FIDE Album (1977-1979) | 1984 |
SOLUTION
- SOUND
- Sets
- 1...Qb5+
- 2.Rxb5#
- 1...Qc5+
- 2.Rxc5#
- 1...Qd5+
- 2.Rxd5#
- 1...Qe5
- 2.Rxe5#
- 1...Qb5+
- Tries
- 1.Bh2?
- threat
- 2.Se4#
- 2.Bxf3#
- 2.Bxh3#
- 2.Bxf5#
- 2.Bh5#
- 1...Qb5+
- 2.Rxb5#
- 1...Qc5+
- 2.Rxc5#
- 1...Qd5+
- 2.Rxd5#
- 1...Qxa5
- 2.Se4#
- 2.Bxh3#
- 2.Be6#
- 2.Bd7#
- 2.Bc8#
- 1...Qe5
- 2.Se4#
- 2.Bxh3#
- 2.Be6#
- 2.Bd7#
- 2.Bc8#
- 2.Rxe5#
- 1...Rh5
- 2.Se4#
- 2.Bxf3#
- 2.Bxh3#
- 2.Bxf5#
- 2.Bxh5#
- 1...Bb6
- 2.Se4#
- 1...Bc7
- 2.Se4#
- 1...f2
- 2.Se4#
- 1...Bxa5!
- threat
- 1.Bd6?
- threat
- 2.Se4#
- 2.Bxf3#
- 2.Bxh3#
- 2.Bxf5#
- 2.Bh5#
- 1...Qb5+
- 2.Rxb5#
- 1...Qc5+
- 2.Rxc5#
- 1...Qd5+
- 2.Rxd5#
- 1...Qxa5
- 2.Se4#
- 2.Bxh3#
- 2.Be6#
- 2.Bd7#
- 2.Bc8#
- 1...Qe5
- 2.Se4#
- 1...Rh5
- 2.Se4#
- 2.Bxf3#
- 2.Bxh3#
- 2.Bxf5#
- 2.Bxh5#
- 1...Bb6
- 2.Se4#
- 1...f2
- 2.Se4#
- 1...h2
- 2.Se4#
- 1...Bxa5!
- threat
- 1.Bc7?
- threat
- 2.Se4#
- 2.Bxf3#
- 2.Bxh3#
- 2.Bxf5#
- 2.Bh5#
- 1...Qb5+
- 2.Rxb5#
- 1...Qc5+
- 2.Rxc5#
- 1...Qd5+
- 2.Rxd5#
- 1...Qxa5
- 2.Se4#
- 2.Bxh3#
- 2.Be6#
- 2.Bd7#
- 2.Bc8#
- 1...Qe5
- 2.Se4#
- 1...Rh5
- 2.Se4#
- 2.Bxf3#
- 2.Bxh3#
- 2.Bxf5#
- 2.Bxh5#
- 1...f2
- 2.Se4#
- 1...h2
- 2.Se4#
- 1...Bxc7!
- threat
- 1.Qg7?
- threat
- 2.Sf7#
- 2.Rxf5#
- 1...Qb5+
- 2.Rxb5#
- 1...Qc5+
- 2.Rxc5#
- 1...Qd5+
- 2.Rxd5#
- 1...Qxa5
- 2.Sf7#
- 1...Bxa5
- 2.Sf7#
- 1...Qe5
- 2.Sf7#
- 2.Rxe5#
- 1...hxg3!
- threat
- 1.exd8S?
- threat
- 2.Se6#
- 1...Qb5+
- 2.Rxb5#
- 1...Qc5+
- 2.Rxc5#
- 1...Qd5+
- 2.Rxd5#
- 1...hxg3!
- threat
- 1.Bh2?
- Keys
- 1.Be5!
- threat
- 2.Sf7#
- 1...Qe4+
- 2.Sxe4#
- 1...Qe6+
- 2.Bxe6#
- 1...Qd7+
- 2.Bxd7#
- 1...Qc8+
- 2.Bxc8#
- 1...Qxf6+
- 2.Qxf6#
- 1...Qxg4
- 2.Bc7#
- 1...Qxe5
- 2.Se4#
- 1...Rxh7
- 2.Sxh7#
- threat
- 1.Be5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 7
- REMOVED MATES = 3
- Sets
- Q(e);CHECK,OGATEB::R(D),XQ(e)
- Q(e);OGATEB::R(D),XQ(e)
- Tries
- Try
- B(B);
- Threat
- DUALS(5)
- Vars
- Q(e);CHECK,OGATEB::R(D),XQ(e)
- B(i);::S(F)
- P(b);::S(F)
- Refutation
- B(i);N_SPINQ(e),XR(D)
- Try
- B(B);
- Threat
- DUALS(5)
- Vars
- Q(e);CHECK,OGATEB::R(D),XQ(e)
- Q(e);::S(F)
- B(i);::S(F)
- P(b);::S(F)
- P(c);::S(F)
- Refutation
- B(i);N_SPINQ(e),XR(D)
- Try
- B(B);
- Threat
- DUALS(5)
- Vars
- Q(e);CHECK,OGATEB::R(D),XQ(e)
- Q(e);::S(F)
- P(b);::S(F)
- P(c);::S(F)
- Refutation
- B(i);XB(B)
- Try
- Q(I);P_PINP(g)
- Threat
- DUALS(2)
- Vars
- Q(e);CHECK,OGATEB::R(D),XQ(e)
- Q(e);N_SPINQ(e),XR(D)::S(J)
- B(i);N_SPINQ(e),XR(D)::S(J)
- Refutation
- P(d);XB(B)
- Try
- P(G);XB(i)
- Threat
- S(G)
- Vars
- Q(e);CHECK,OGATEB::R(D),XQ(e)
- Refutation
- P(d);XB(B)
- Try
- Actual
- B(B);N_PINQ(e)
- Threat
- S(J)
- Vars
- Q(e);CHECK,N_GUARD::S(F),XQ(e)
- Q(e);CHECK,OGATE::R(A)+B(C),XQ(e)
- Q(e);CHECK,OGATE,XS(F)::QAB1(I),XQ(e)
- Q(e);OGATEB,P_SPINQ(e),XB(C)::R(D)+B(B)
- Q(e);N_GUARD,P_SPINQ(e),XB(B)::S(F)
- R(h);XP(H)::S(F),XR(h)
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