MESON Chess Problem Database
Problem Display
PID: 40224 (1r1k4/1BrPqp1p/1B4bP/2N1N1Q1/8/8/3P1P2/R3K2R w QK - 0 1)
Pauly, Wolfgang
The Properties of Castling, 1928
#2
12 + 7
| 4198 | Wolfgang Pauly Challenge of a Legacy | 2001 |
SOLUTION
- SOUND
- Sets
- 1...Qxg5
- 2.Sc6#
- 1...Qf6
- 2.Sc6#
- 2.Qxf6#
- 1...Rxb7
- 2.Sxb7#
- 1...Ra8
- 2.Rxa8#
- 1...Rc8
- 2.dxc8Q#
- 2.dxc8R#
- 1...Be4
- 2.Sxf7#
- 1...f5
- 2.Se6#
- 1...Qxg5
- Tries
- 1.Kf1?
- threat
- 2.Sc6#
- 1...Be4
- 2.Sxf7#
- 1...Bd3+!
- threat
- 1.Be4?
- threat
- 2.Sc6#
- 1...Bxe4
- 2.Sxf7#
- 1...Rxb6!
- threat
- 1.Ra8?
- threat
- 2.Rxb8#
- 1...Qxg5
- 2.Sc6#
- 1...Qf6
- 2.Sc6#
- 2.Qxf6#
- 1...Rc8
- 2.Rxc8#
- 2.dxc8Q#
- 2.dxc8R#
- 1...Rxa8!
- threat
- 1.0-0?
- threat
- 2.Sc6#
- 1...Be4
- 2.Sxf7#
- 1...Qxg5+!
- threat
- 1.Kf1?
- Keys
- 1.0-0-0!
- threat
- 2.Sc6#
- 1...Be4
- 2.Sxf7#
- threat
- 1.0-0-0!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 4
- Sets
- Q(c);N_PINS(G),N_SPINQ(c),XQ(H)::S(G)
- R(f);XB(K)::S(F),XR(f)
- R(f);OGATEB::R(A),XR(f)
- R(f);OGATE::PXR(f)=Q
- B(a);N_PINS(G)::S(G),XP(d)
- P(d);N_GUARD::S(F)
- Tries
- Try
- K(B);N_SPINS(G),P-FLIGHT
- Threat
- S(G)
- Vars
- B(a);N_GUARD::S(G),XP(d)
- Refutation
- B(a);CHECK
- Try
- B(K);N_SPINS(G)
- Threat
- S(G)
- Vars
- B(a);N_GUARD,XB(K)::S(G),XP(d)
- Refutation
- R(f);N_SPINR(b),XB(I)
- Try
- R(A);
- Threat
- R(A),XR(f)
- Vars
- Q(c);N_PINS(G),N_SPINQ(c),XQ(H)::S(G)
- Refutation
- R(f);XR(A)
- Try
- K(B);0-0,N_SPINS(G)
- Threat
- S(G)
- Vars
- B(a);N_GUARD::S(G),XP(d)
- Refutation
- Q(c);CHECK,N_SPINQ(c),XQ(H)
- Try
- Actual
- K(B);0-0-0,N_SPINS(G),P_SPINS(F)
- Threat
- S(G)
- Vars
- B(a);N_GUARD::S(G),XP(d)
Developed and maintained by Brian Stephenson.
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