MESON Chess Problem Database
Problem Display
PID: 67086 (8/p7/p4K2/RnN5/P2k4/2Rprp2/BPPN1P2/8 w - - 0 1)
Stocchi, Ottavio
Tempo, 1953
#2
10 + 7
| 5407 | Selected Stocchi (II) | 2004 |
SOLUTION
- SOUND
- Sets
- 1...Re1
- 2.Sxf3#
- 1...Re2
- 2.Sxf3#
- 1...Re4
- 2.Sxf3#
- 1...Re5
- 2.Sxf3#
- 1...Re6+
- 2.Sxe6#
- 1...Re7
- 2.Sxf3#
- 1...Re8
- 2.Sxf3#
- 1...Sa3
- 2.Scb3#
- 1...Sxc3
- 2.Scb3#
- 1...Sd6
- 2.Scb3#
- 1...Sc7
- 2.Scb3#
- 1...dxc2
- 2.fxe3#
- 1...Re1
- Tries
- 1.Bc4?
- threat
- 2.Sdb3#
- 2.Scb3#
- 1...Re6+
- 2.Sxe6#
- 1...Sxc3
- 2.Scb3#
- 1...Kxc5!
- threat
- 1.Be6?
- threat
- 2.Sdb3#
- 2.Scb3#
- 2.Rc4#
- 1...Sxc3
- 2.Sdb3#
- 2.Scb3#
- 1...Sa3
- 2.Sdb3#
- 2.Scb3#
- 1...Sd6
- 2.Sdb3#
- 2.Scb3#
- 1...Rxe6+!
- threat
- 1.Bf7?
- threat
- 2.Sdb3#
- 2.Scb3#
- 2.Rc4#
- 1...Sxc3
- 2.Sdb3#
- 2.Scb3#
- 1...Sa3
- 2.Sdb3#
- 2.Scb3#
- 1...Sd6
- 2.Sdb3#
- 2.Scb3#
- 1...Re6+!
- threat
- 1.Bg8?
- threat
- 2.Sdb3#
- 2.Scb3#
- 2.Rc4#
- 1...Sxc3
- 2.Sdb3#
- 2.Scb3#
- 1...Sa3
- 2.Sdb3#
- 2.Scb3#
- 1...Sd6
- 2.Sdb3#
- 2.Scb3#
- 1...Re6+!
- threat
- 1.Rxd3+?
- 1...Rxd3
- 2.Se6#
- 1...Kxc5!
- 1...Rxd3
- 1.Rxb5?
- threat
- 2.Scb3#
- 2.Rb4#
- 1...Re6+
- 2.Sxe6#
- 1...a5
- 2.Scb3#
- 1...axb5!
- threat
- 1.cxd3?
- 1...Re6+
- 2.Sxe6#
- 1...Rxd3
- 2.Se6#
- 1...Re1
- 2.Sxf3#
- 1...Re2
- 2.Sxf3#
- 1...Re4
- 2.Sxf3#
- 1...Re5
- 2.Sxf3#
- 1...Re7
- 2.Sxf3#
- 1...Re8
- 2.Sxf3#
- 1...Sa3
- 2.Scb3#
- 1...Sd6
- 2.Scb3#
- 1...Sc7
- 2.Scb3#
- 1...Sxc3!
- 1...Re6+
- 1.axb5?
- threat
- 2.Ra4#
- 1...Re6+
- 2.Sxe6#
- 1...axb5!
- threat
- 1.Bc4?
- Keys
- 1.Sce4!
- 1...Rxe4
- 2.Sxf3#
- 1...Sxc3
- 2.bxc3#
- 1...dxc2
- 2.fxe3#
- 1...Re1
- 2.Rxd3#
- 1...Re2
- 2.Rxd3#
- 1...Sa3
- 2.Rd5#
- 1...Sd6
- 2.Rd5#
- 1...Sc7
- 2.Rc4#
- 1...Rxe4
- 1.Sce4!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 6
- ADDED MATES = 0
- REMOVED MATES = 4
- Sets
- R(b);N_GUARD::S(D),XP(c)
- R(b);CHECK,N_GUARD::S(I),XR(b)
- S(e);::S(I)
- S(e);XR(F)::S(I)
- P(a);XP(C)::P(E),XR(b)
- Tries
- Try
- B(A);
- Threat
- DUALS(2)
- Vars
- R(b);CHECK,N_GUARD::S(I),XR(b)
- S(e);XR(F)::S(I)
- Refutation
- K(d);P_SPINS(e),S_FLIGHT,XS(I)
- Try
- B(A);
- Threat
- DUALS(3)
- Refutation
- R(b);CHECK,XB(A)
- Try
- B(A);
- Threat
- DUALS(3)
- Refutation
- R(b);CHECK
- Try
- B(A);
- Threat
- DUALS(3)
- Refutation
- R(b);CHECK
- Try
- R(F);CHECK,XP(a)
- Vars
- R(b);XR(F)::S(I)
- Refutation
- K(d);P_SPINS(e),S_FLIGHT,XS(I)
- Try
- R(H);XS(e)
- Threat
- DUALS(2)
- Vars
- R(b);CHECK,N_GUARD::S(I),XR(b)
- P(f);::S(I)
- Refutation
- P(f);XR(H)
- Try
- P(C);XP(a)
- Vars
- R(b);CHECK,N_GUARD::S(I),XR(b)
- R(b);N_GUARD,XP(C)::S(I)
- R(b);N_GUARD::S(D),XP(c)
- S(e);::S(I)
- Refutation
- S(e);XR(F)
- Try
- P(G);XS(e)
- Threat
- R(H)
- Vars
- R(b);CHECK,N_GUARD::S(I),XR(b)
- Refutation
- P(f);XP(G)
- Try
- Actual
- S(I);
- Vars
- R(b);N_GUARD,SBLOCK,XS(I)::S(D),XP(c)
- S(e);OGATE,XR(F)::P(B),XS(e)
- P(a);XP(C)::P(E),XR(b)
- R(b);N_GUARD::R1(F),XP(a)
- S(e);OGATE::R1(H)
- S(e);::R1(F)
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