MESON Chess Problem Database
Problem Display
PID: 148130 (kB4BR/1p2p1K1/1PN2ppp/Np6/7q/R6r/b6b/3r4 w - - 0 1)
Goumondy, Claude
5th HM., Europe Echecs, 1967
#2
8 + 12
SOLUTION
- SOUND
- Sets
- 1...Qf2
- 2.Sb3#
- 1...Qg3
- 2.Sb3#
- 1...Qg5
- 2.Sb3#
- 1...Qh5
- 2.Sb3#
- 1...Bc4
- 2.Sb3#
- 1...Bg3
- 2.Sc4#
- 1...Bf4
- 2.Sb3#
- 1...Qf2
- Tries
- 1.Bf4?
- threat
- 2.Sb3#
- 2.Bd5#
- 1...Rxa3
- 2.Bd5#
- 1...Bxg8
- 2.Sb3#
- 1...Bxf4
- 2.Sb3#
- 1...bxc6
- 2.Bd5#
- 1...Qe1
- 2.Bd5#
- 1...Qg4
- 2.Sb3#
- 1...Rd4
- 2.Bd5#
- 1...Rd5
- 2.Sb3#
- 2.Bxd5#
- 1...Rd6
- 2.Sb3#
- 1...Rd7
- 2.Sb3#
- 1...Rd8
- 2.Sb3#
- 1...Rb3
- 2.Sxb3#
- 2.Bd5#
- 1...Bb3
- 2.Sxb3#
- 2.Bd5#
- 1...Bd5
- 2.Sb3#
- 2.Bxd5#
- 2.Be6#
- 2.Bf7#
- 1...Be6
- 2.Sb3#
- 1...Bf7
- 2.Sb3#
- 1...b4
- 2.Bd5#
- 1...e6
- 2.Sb3#
- 1...Qxf4!
- threat
- 1.Bb3?
- threat
- 2.Sc4#
- 2.Bd6#
- 1...Rxb3
- 2.Bd6#
- 1...Bxb8
- 2.Sc4#
- 2.Rxb8#
- 1...bxc6
- 2.Bd6#
- 2.b7#
- 1...Qa4
- 2.Bd6#
- 1...Qe1
- 2.Bd6#
- 1...Qb4
- 2.Bd6#
- 1...Qc4
- 2.Sxc4#
- 1...Qg4
- 2.Sc4#
- 1...Rd6
- 2.Sc4#
- 2.Bxd6#
- 1...Rd7
- 2.Sc4#
- 1...Rd8
- 2.Sc4#
- 1...Bd6
- 2.Bxd6#
- 2.Bc7#
- 1...Bc7
- 2.Sc4#
- 1...b4
- 2.Bd6#
- 1...Bxb3!
- threat
- 1.Bc4?
- threat
- 2.Sb3#
- 2.Bd6#
- 1...Rxa3
- 2.Bd6#
- 1...Bxc4
- 2.Sb3#
- 1...Bxb8
- 2.Sb3#
- 2.Rxb8#
- 1...bxc6
- 2.Bd6#
- 2.b7#
- 1...Qe1
- 2.Bd6#
- 1...Qg4
- 2.Sb3#
- 1...Rd6
- 2.Sb3#
- 2.Bxd6#
- 1...Rd7
- 2.Sb3#
- 1...Rd8
- 2.Sb3#
- 1...Rb3
- 2.Sxb3#
- 2.Bd6#
- 1...Bb3
- 2.Sxb3#
- 2.Bd6#
- 1...Bd6
- 2.Bxd6#
- 2.Bc7#
- 1...Bc7
- 2.Sb3#
- 1...b4
- 2.Bd6#
- 1...Qxc4!
- threat
- 1.Bf4?
- Keys
- 1.Bg3!
- threat
- 2.Sc4#
- 2.Bd5#
- 1...Qxg3
- 2.Sb3#
- 1...Rxg3
- 2.Bd5#
- 1...Bxg8
- 2.Sc4#
- 1...Bxg3
- 2.Sc4#
- 1...bxc6
- 2.Bd5#
- 1...Qa4
- 2.Bd5#
- 1...Qb4
- 2.Bd5#
- 1...Qc4
- 2.Sxc4#
- 2.Bd5#
- 1...Qf4
- 2.Sc4#
- 1...Qg4
- 2.Sc4#
- 1...Rd3
- 2.Bd5#
- 1...Rd5
- 2.Sc4#
- 2.Bxd5#
- 1...Rd6
- 2.Sc4#
- 1...Rd7
- 2.Sc4#
- 1...Rd8
- 2.Sc4#
- 1...Bb3
- 2.Bd5#
- 1...Bc4
- 2.Sb3#
- 2.Sxc4#
- 2.Bd5#
- 1...Bd5
- 2.Sc4#
- 2.Bxd5#
- 2.Be6#
- 2.Bf7#
- 1...Be6
- 2.Sc4#
- 1...Bf7
- 2.Sc4#
- 1...b4
- 2.Bd5#
- 1...e6
- 2.Sc4#
- threat
- 1.Bg3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 16
- REMOVED MATES = 5
- Sets
- Q(e);N_GUARD::R(A)+S(B)
- B(b);S_CUTQ(e)::R(A)+S(B)
- B(c);S_CUTR(d)::R(A)+S(B)
- B(c);S_CUTQ(e)::R(A)+S(B)
- Tries
- Try
- B(F);
- Threat
- DUALS(2)
- Vars
- R(d);XR(A)::R(H)+B(G)
- B(b);P_SPINB(b),XB(G)::R(A)+S(B)
- B(c);XB(F)::R(A)+S(B)
- P(j);XS(D)::R(H)+B(G)
- Q(e);::R(H)+B(G)
- Q(e);::R(A)+S(B)
- R(a);::R(H)+B(G)
- R(a);::R(A)+S(B)
- B(b);::R(A)+S(B)
- P(f);::R(H)+B(G)
- P(k);::R(A)+S(B)
- Refutation
- Q(e);XB(F)
- Try
- B(G);
- Threat
- DUALS(2)
- Vars
- R(d);XB(G)::R(H)+B(F)
- Q(e);::R(H)+B(F)
- Q(e);::R(A)+S(B),XQ(e)
- Q(e);::R(A)+S(B)
- R(a);::R(A)+S(B)
- B(c);::R(A)+S(B)
- P(f);::R(H)+B(F)
- Refutation
- B(b);XB(G)
- Try
- B(G);
- Threat
- DUALS(2)
- Vars
- R(d);XR(A)::R(H)+B(F)
- B(b);XB(G)::R(A)+S(B)
- Q(e);::R(H)+B(F)
- Q(e);::R(A)+S(B)
- R(a);::R(A)+S(B)
- B(c);::R(A)+S(B)
- P(f);::R(H)+B(F)
- Refutation
- Q(e);XB(G)
- Try
- Actual
- B(F);
- Threat
- DUALS(2)
- Vars
- Q(e);N_GUARD,XB(F)::R(A)+S(B)
- R(d);XB(F)::R(H)+B(G)
- B(b);P_SPINB(b),XB(G)::R(A)+S(B)
- B(c);XB(F)::R(A)+S(B)
- P(j);XS(D)::R(H)+B(G)
- Q(e);::R(H)+B(G)
- Q(e);::R(A)+S(B)
- R(a);::R(H)+B(G)
- R(a);::R(A)+S(B)
- B(b);::R(H)+B(G)
- B(b);::R(A)+S(B)
- P(f);::R(H)+B(G)
- P(k);::R(A)+S(B)
Developed and maintained by Brian Stephenson.
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