MESON Chess Problem Database
Problem Display
PID: 17278 (2R3Br/1Pppk1Pp/2b3nN/K4Q1r/p4p1b/P4P2/3R4/B7 w - - 0 1)
Stocchi, Ottavio
L'Italia Scacchistica, 1929
#2
11 + 11
SOLUTION
- SOUND
- Sets
- 1...Rxf5+
- 2.Sxf5#
- 1...Rg5
- 2.Bf6#
- 1...Rxh6
- 2.Qf7#
- 1...Rxg8
- 2.Sxg8#
- 1...Be1
- 2.Bf6#
- 1...Bf2
- 2.Bf6#
- 1...Bg3
- 2.Bf6#
- 1...Bg5
- 2.Qf7#
- 1...Bf6
- 2.Bxf6#
- 1...Bxf3
- 2.Rxd7#
- 1...Be4
- 2.Rxd7#
- 1...Bb5
- 2.Qf7#
- 1...Bxb7
- 2.Rxd7#
- 1...Se5
- 2.Qf8#
- 1...Sf8
- 2.gxf8Q#
- 2.gxf8B#
- 1...d5
- 2.Qe6#
- 1...Rxf5+
- Tries
- 1.Kb4?
- threat
- 2.Qf7#
- 1...Rxf5
- 2.Sxf5#
- 1...d5
- 2.Qe6#
- 1...Bf6
- 2.Bxf6#
- 2.Qxf6#
- 1...Se5
- 2.Qf8#
- 1...Bd5!
- threat
- 1.Be5?
- threat
- 2.Qf7#
- 1...Rxf5
- 2.Sxf5#
- 1...Sxe5
- 2.Qf8#
- 1...Bf6
- 2.Bxf6#
- 2.Qxf6#
- 1...Bd5!
- threat
- 1.Re2+?
- 1...Kd6
- 2.Sf7#
- 1...Se5
- 2.Qf8#
- 1...Be4!
- 1...Kd6
- 1.Qg5+?
- 1...Bxg5
- 2.Sf5#
- 1...Rxg5+!
- 1...Bxg5
- 1.Kb4?
- Keys
- 1.b8S!
- 1...Rxf5+
- 2.Sxf5#
- 1...Rxh6
- 2.Qf7#
- 1...Rxg8
- 2.Sxg8#
- 1...Bxf3
- 2.Rxd7#
- 1...Bd5
- 2.Qxd7#
- 1...d5
- 2.Qe6#
- 1...d6
- 2.Sxc6#
- 1...Rg5
- 2.Bf6#
- 1...Be1
- 2.Bf6#
- 1...Bf2
- 2.Bf6#
- 1...Bg3
- 2.Bf6#
- 1...Bg5
- 2.Qf7#
- 1...Bf6
- 2.Bxf6#
- 1...Be4
- 2.Rxd7#
- 1...Bb5
- 2.Qf7#
- 1...Bb7
- 2.Rxd7#
- 1...Ba8
- 2.Rxd7#
- 1...Se5
- 2.Qf8#
- 1...Sf8
- 2.gxf8Q#
- 2.gxf8B#
- 1...Rxf5+
- 1.b8S!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- R(d);CHECK,XQ(F)::S(G),XR(d)
- R(d);S_CUTB(c)::B(A)
- R(d);N_PINQ(F),XS(G)::QAR1(F)
- R(k);XB(K)::S(G),XR(k)
- B(c);N_GUARD,P_PINR(B)::B(A)
- B(c);N_GUARD::B(A)
- B(c);N_PINQ(F)::QAR1(F)
- B(c);N_GUARD::B(A),XB(c)
- B(e);N_GUARD,XP(D)::R1(B),XP(h)
- B(e);N_GUARD::R1(B),XP(h)
- B(e);N_PINQ(F)::QAR1(F)
- B(e);N_GUARD,XP(H)::R1(B),XP(h)
- S(f);N_PINQ(F)::QAB1(F)
- S(f);OGATE::PXS(f)=Q
- P(h);N_PINQ(F)::QAR1(F)
- Tries
- Try
- K(E);N_SPINQ(F),S_FLIGHT
- Threat
- QAR1(F)
- Vars
- R(d);XQ(F)::S(G),XR(d)
- P(h);N_GUARD::QAR1(F)
- S(f);N_GUARD::QAB1(F)
- Refutation
- B(e);
- Try
- B(A);N_SPINQ(F)
- Threat
- QAR1(F)
- Vars
- R(d);P_PINB(A),XQ(F)::S(G),XR(d)
- S(f);N_GUARD,XB(A)::QAB1(F)
- Refutation
- B(e);
- Try
- R(B);CHECK
- Vars
- K(i);S_FLIGHT::S(G)
- S(f);N_PINQ(F),P_SPINS(f)::QAB1(F)
- Refutation
- B(e);P_SPINB(e)
- Try
- Q(F);CHECK
- Vars
- B(c);XQ(F)::S(G)
- Refutation
- R(d);CHECK,XQ(F)
- Try
- Actual
- P(H);
- Vars
- R(d);CHECK,XQ(F)::S(G),XR(d)
- R(d);N_PINQ(F),XS(G)::QAR1(F)
- R(k);XB(K)::S(G),XR(k)
- B(e);N_GUARD,XP(D)::R1(B),XP(h)
- B(e);N_PINQ(F)::QAR1(F),XP(h)
- P(h);N_PINQ(F)::QAR1(F)
- P(h);N_GUARD::S(H),XB(e)
- R(d);S_CUTB(c)::B(A)
- B(c);N_GUARD,P_PINR(B)::B(A)
- B(c);N_GUARD::B(A)
- B(c);N_PINQ(F)::QAR1(F)
- B(c);N_GUARD::B(A),XB(c)
- B(e);N_GUARD::R1(B),XP(h)
- B(e);N_PINQ(F)::QAR1(F)
- S(f);N_PINQ(F)::QAB1(F)
- S(f);OGATE::PXS(f)=Q
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