MESON Chess Problem Database
Problem Display
PID: 222680 (b6b/3R3r/K3PpN1/1Q3P1R/2pBk3/7N/1P2P3/n2B3n w - - 0 1)
Lamy, M
La Strategie, 1883
#2
12 + 8
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Rxd7
- 2.Rh4#
- 1...Re7
- 2.Rh4#
- 1...Rf7
- 2.Rh4#
- 1...Rg7
- 2.Rh4#
- 1...Bd5
- 2.Qxd5#
- 1...Bc6
- 2.Qxc6#
- 1...Bb7+
- 2.Qxb7#
- 1...Sc2
- 2.Bxc2#
- 1...Sb3
- 2.Bc2#
- 1...Sf2
- 2.Sxf2#
- 1...Sg3
- 2.Sf2#
- 1...c3
- 2.Qd3#
- 1...Rxd7
- Tries
- 1.Bg1?
- threat
- 2.Rd4#
- 2.Qxc4#
- 1...Bb7+
- 2.Qxb7#
- 1...Rxh5
- 2.Rd4#
- 1...Rxd7
- 2.Rh4#
- 1...Bd5
- 2.Qxd5#
- 1...Sc2
- 2.Bxc2#
- 1...Sb3
- 2.Bc2#
- 1...c3
- 2.Rd4#
- 2.Qd3#
- 2.Qa4#
- 2.Qc4#
- 2.Qb4#
- 1...Sf2!
- threat
- 1.Bf2?
- threat
- 2.Rd4#
- 2.Qxc4#
- 1...Bb7+
- 2.Qxb7#
- 1...Rxh5
- 2.Rd4#
- 1...Rxd7
- 2.Rh4#
- 1...Bd5
- 2.Qxd5#
- 1...Sc2
- 2.Bxc2#
- 1...Sb3
- 2.Bc2#
- 1...c3
- 2.Rd4#
- 2.Qd3#
- 2.Qa4#
- 2.Qc4#
- 2.Qb4#
- 1...Sxf2!
- threat
- 1.Ba7?
- threat
- 2.Qxc4#
- 1...Bb7+
- 2.Qxb7#
- 1...Rxd7
- 2.Rh4#
- 1...Bd5
- 2.Qxd5#
- 1...Sc2
- 2.Bxc2#
- 1...Sb3
- 2.Bc2#
- 1...c3
- 2.Qd3#
- 2.Qa4#
- 2.Qc4#
- 2.Qb4#
- 1...Rxh5!
- threat
- 1.Rg5?
- threat
- 2.Rg4#
- 1...Bb7+
- 2.Qxb7#
- 1...fxg5
- 2.Sxg5#
- 1...Bd5
- 2.Qxd5#
- 1...Sf2
- 2.Sxf2#
- 1...Rh4!
- threat
- 1.Rhxh7?
- threat
- 2.Rh4#
- 1...Bd5
- 2.Qxd5#
- 1...Sf2
- 2.Sxf2#
- 1...Bb7+!
- threat
- 1.Qb8?
- threat
- 2.Qf4#
- 2.Qxa8#
- 1...Bb7+
- 2.Qxb7#
- 1...Rxh5
- 2.Qf4#
- 1...Bd5
- 2.Qf4#
- 1...Bc6
- 2.Qf4#
- 1...Rxd7!
- threat
- 1.Bg1?
- Keys
- 1.e7!
- 1...Bb7+
- 2.Qxb7#
- 1...Rxh5
- 2.e8Q#
- 2.e8R#
- 1...Rxe7
- 2.Rh4#
- 1...Bd5
- 2.Qxd5#
- 1...Rh6
- 2.e8Q#
- 2.e8R#
- 1...Rf7
- 2.Rh4#
- 1...Rg7
- 2.Rh4#
- 1...Bc6
- 2.Qxc6#
- 1...Bg7
- 2.e8Q#
- 2.e8R#
- 1...Sc2
- 2.Bxc2#
- 1...Sb3
- 2.Bc2#
- 1...Sf2
- 2.Sxf2#
- 1...Sg3
- 2.Sf2#
- 1...c3
- 2.Qd3#
- 1...Bb7+
- 1.e7!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 1
- Sets
- R(f);N_GUARD,XR(L)::R(H)
- R(f);N_GUARD::R(H)
- B(g);N_GUARD::QAB1(F),XB(g)
- B(g);N_GUARD::QAB(F),XB(g)
- B(g);CHECK,N_GUARD::QAB(F),XB(g)
- S(a);N_GUARD::B(A),XS(a)
- S(a);N_GUARD::B(A)
- S(b);N_GUARD::S(D),XS(b)
- S(b);N_GUARD::S(D)
- P(c);OGATE::QAB1(F)
- Tries
- Try
- B(E);
- Threat
- DUALS(2)
- Vars
- B(g);CHECK,N_GUARD::QAB(F),XB(g)
- R(f);XR(H)::R1(L)
- R(f);N_GUARD,XR(L)::R(H)
- B(g);N_GUARD::QAB1(F),XB(g)
- S(a);N_GUARD::B(A),XS(a)
- S(a);N_GUARD::B(A)
- Refutation
- S(b);
- Try
- B(E);
- Threat
- DUALS(2)
- Vars
- B(g);CHECK,N_GUARD::QAB(F),XB(g)
- R(f);XR(H)::R1(L)
- R(f);N_GUARD,XR(L)::R(H)
- B(g);N_GUARD::QAB1(F),XB(g)
- S(a);N_GUARD::B(A),XS(a)
- S(a);N_GUARD::B(A)
- Refutation
- S(b);XB(E)
- Try
- B(E);
- Threat
- QAR2(F),XP(c)
- Vars
- B(g);CHECK,N_GUARD::QAB(F),XB(g)
- R(f);N_GUARD,XR(L)::R(H)
- B(g);N_GUARD::QAB1(F),XB(g)
- S(a);N_GUARD::B(A),XS(a)
- S(a);N_GUARD::B(A)
- Refutation
- R(f);XR(H)
- Try
- R(H);
- Threat
- R(H)
- Vars
- B(g);CHECK,N_GUARD::QAB(F),XB(g)
- P(e);XR(H)::S(D),XP(e)
- B(g);N_GUARD::QAB1(F),XB(g)
- S(b);N_GUARD::S(D),XS(b)
- Refutation
- R(f);
- Try
- R(H);XR(f)
- Threat
- R(H)
- Vars
- B(g);N_GUARD::QAB1(F),XB(g)
- S(b);N_GUARD::S(D),XS(b)
- Refutation
- B(g);CHECK
- Try
- Q(F);
- Threat
- DUALS(2)
- Vars
- B(g);CHECK,N_GUARD::QAB(F),XB(g)
- R(f);XR(H)::QAR1(F)
- B(g);::QAR1(F)
- Refutation
- R(f);XR(L)
- Try
- Actual
- P(J);
- Vars
- B(g);CHECK,N_GUARD::QAB(F),XB(g)
- R(f);N_GUARD,XR(H)::P=Q
- R(f);N_GUARD,XP(J)::R(H)
- B(g);N_GUARD::QAB1(F),XB(g)
- R(f);N_GUARD::P=Q
- R(f);N_GUARD::R(H)
- B(g);N_GUARD::QAB(F),XB(g)
- B(h);S_CUTR(f)::P=Q
- S(a);N_GUARD::B(A),XS(a)
- S(a);N_GUARD::B(A)
- S(b);N_GUARD::S(D),XS(b)
- S(b);N_GUARD::S(D)
- P(c);OGATE::QAB1(F)
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