MESON Chess Problem Database
Problem Display
PID: 64218 (4N2K/6nQ/P1k1P3/3R4/1R1n4/1Bp1Bp2/2p1p3/3r4 w - - 0 1)
Stocchi, Ottavio
4th HM., Problemas, 1953
#2
9 + 8
| 5407 | Selected Stocchi (II) | 2004 |
SOLUTION
- SOUND
- Sets
- 1...Sdf5
- 2.Rb6#
- 2.Rc5#
- 1...Sdxe6
- 2.Rb6#
- 1...Sgf5
- 2.Qb7#
- 2.Qc7#
- 2.Qd7#
- 1...Sh5
- 2.Qb7#
- 2.Qc7#
- 2.Qd7#
- 1...Sgxe6
- 2.Qb7#
- 2.Qd7#
- 1...Sxe8
- 2.Qb7#
- 2.Qd7#
- 1...Sdf5
- Tries
- 1.Bxd4?
- threat
- 2.Rb6#
- 2.Rc5#
- 2.Rd6#
- 1...Sxe6
- 2.Rb6#
- 2.Rd6#
- 2.Qb7#
- 2.Qd7#
- 1...Sxe8
- 2.Rb6#
- 2.Qb7#
- 2.Qd7#
- 1...Sf5
- 2.Rb6#
- 2.Rc5#
- 2.Qb7#
- 2.Qc7#
- 2.Qd7#
- 1...Rxd4!
- threat
- 1.Ra5?
- threat
- 2.Bd5#
- 2.Qe4#
- 1...Sxb3
- 2.Rb6#
- 1...Sdxe6
- 2.Ba4#
- 1...Sgxe6
- 2.Bd5#
- 2.Qb7#
- 1...Sxe8
- 2.Qd7#
- 1...Rh1
- 2.Bd5#
- 1...Sdf5
- 2.Ba4#
- 2.Rc4#
- 2.Rb6#
- 2.Rc5#
- 1...Sgf5
- 2.Bd5#
- 2.Qb7#
- 2.Qc7#
- 2.Qd7#
- 1...Sb5!
- threat
- 1.Re5?
- threat
- 2.Qe4#
- 1...Sxb3
- 2.Rb6#
- 1...Sdxe6
- 2.Ba4#
- 1...Sgxe6
- 2.Qb7#
- 1...Sxe8
- 2.Qd7#
- 1...Sb5
- 2.Rc4#
- 1...Sdf5
- 2.Ba4#
- 2.Rc4#
- 2.Rb6#
- 2.Rc5#
- 1...Sgf5
- 2.Qb7#
- 2.Qc7#
- 2.Qd7#
- 1...Rh1!
- threat
- 1.Rg5?
- threat
- 2.Qe4#
- 1...Sxb3
- 2.Rb6#
- 1...Sdxe6
- 2.Ba4#
- 1...Sgxe6
- 2.Qb7#
- 1...Sxe8
- 2.Qd7#
- 1...Sgf5
- 2.Qc7#
- 1...Sb5
- 2.Rc4#
- 1...Sdf5
- 2.Rb6#
- 1...Rh1!
- threat
- 1.Qxg7?
- threat
- 2.Qb7#
- 2.Qc7#
- 2.Qd7#
- 1...Sxb3
- 2.Qb7#
- 2.Qd7#
- 1...Sxe6
- 2.Rb6#
- 2.Qb7#
- 2.Qd7#
- 1...Sb5
- 2.Qb7#
- 2.Qd7#
- 1...Rh1+!
- threat
- 1.a7?
- threat
- 2.a8Q#
- 2.a8B#
- 1...Sxb3
- 2.a8Q#
- 2.a8B#
- 1...Sdxe6
- 2.Rb6#
- 2.a8Q#
- 2.a8B#
- 1...Sgxe6
- 2.Qb7#
- 2.Qd7#
- 2.a8Q#
- 2.a8B#
- 1...Sxe8
- 2.Qb7#
- 2.Qd7#
- 2.a8Q#
- 2.a8B#
- 1...Sb5
- 2.a8Q#
- 2.a8B#
- 1...c1Q
- 2.a8Q#
- 2.a8B#
- 1...c1S
- 2.a8Q#
- 2.a8B#
- 1...c1B
- 2.a8Q#
- 2.a8B#
- 1...c1R
- 2.a8Q#
- 2.a8B#
- 1...e1Q
- 2.a8Q#
- 2.a8B#
- 1...e1S
- 2.a8Q#
- 2.a8B#
- 1...e1B
- 2.a8Q#
- 2.a8B#
- 1...e1R
- 2.a8Q#
- 2.a8B#
- 1...Rb1
- 2.a8Q#
- 2.a8B#
- 1...Rc1
- 2.a8Q#
- 2.a8B#
- 1...Re1
- 2.a8Q#
- 2.a8B#
- 1...Rf1
- 2.a8Q#
- 2.a8B#
- 1...Rg1
- 2.a8Q#
- 2.a8B#
- 1...Rh1
- 2.a8Q#
- 2.a8B#
- 1...Rd2
- 2.a8Q#
- 2.a8B#
- 1...Rd3
- 2.a8Q#
- 2.a8B#
- 1...Sdf5
- 2.Rb6#
- 2.Rc5#
- 2.a8Q#
- 2.a8B#
- 1...Sgf5
- 2.Qb7#
- 2.Qc7#
- 2.Qd7#
- 2.a8Q#
- 2.a8B#
- 1...Sh5
- 2.Qb7#
- 2.Qc7#
- 2.Qd7#
- 2.a8Q#
- 2.a8B#
- 1...f2
- 2.a8Q#
- 2.a8B#
- 1...Ra1!
- threat
- 1.Bxd4?
- Keys
- 1.Rh5!
- threat
- 2.Qe4#
- 1...Sxb3
- 2.Rb6#
- 1...Sdxe6
- 2.Ba4#
- 1...Sxh5
- 2.Qc7#
- 1...Sgxe6
- 2.Qb7#
- 1...Sxe8
- 2.Qd7#
- 1...Sgf5
- 2.Qc7#
- 1...Sb5
- 2.Rc4#
- 1...Sdf5
- 2.Rb6#
- threat
- 1.Rh5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 7
- REMOVED MATES = 0
- Sets
- S(f);XP(F)::R1(C)
- Tries
- Try
- B(B);XS(f)
- Threat
- DUALS(3)
- Refutation
- R(a);XB(B)
- Try
- R(D);
- Threat
- DUALS(2)
- Vars
- S(f);XB(A)::R1(C)
- S(f);N_GUARD,XP(F)::B(A)
- S(h);OGATE,XS(H)::QAB1(G)
- R(a);P_PINQ(G)::B(A)
- Refutation
- S(f);
- Try
- R(D);
- Threat
- QAB(G)
- Vars
- S(f);XB(A)::R1(C)
- S(f);N_GUARD,XP(F)::B(A)
- S(h);OGATE,XP(F)::QAB1(G)
- S(h);OGATE,XS(H)::QAB1(G)
- S(f);::R(C)
- Refutation
- R(a);P_PINQ(G)
- Try
- R(D);
- Threat
- QAB(G)
- Vars
- S(f);XB(A)::R1(C)
- S(f);N_GUARD,XP(F)::B(A)
- S(h);OGATE,XP(F)::QAB1(G)
- S(h);OGATE,XS(H)::QAB1(G)
- S(h);OGATE::QAR1(G)
- S(f);::R(C)
- S(f);::R1(C)
- Refutation
- R(a);P_PINQ(G)
- Try
- Q(G);XS(h)
- Threat
- DUALS(3)
- Refutation
- R(a);CHECK
- Try
- P(E);
- Threat
- P=Q
- Vars
- S(f);XB(A)::P=Q
- S(f);::P=Q
- P(b);::P=Q
- P(c);::P=Q
- R(a);::P=Q
- R(a);P_PINQ(G)::P=Q
- P(e);::P=Q
- Refutation
- R(a);
- Try
- Actual
- R(D);
- Threat
- QAB(G)
- Vars
- S(f);XB(A)::R1(C)
- S(f);N_GUARD,XP(F)::B(A)
- S(h);OGATE,XR(D)::QAR1(G)
- S(h);OGATE,XP(F)::QAB1(G)
- S(h);OGATE,XS(H)::QAB1(G)
- S(h);OGATE::QAR1(G)
- S(f);::R(C)
- S(f);::R1(C)
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