MESON Chess Problem Database
Problem Display
PID: 163 (2Q2R1B/1K1Nn2r/4P2P/1N6/1n1Pk3/R7/1r4P1/b7 w - - 0 1)
Macleod, Norman Alasdair
British Chess Magazine, 1950
#2
11 + 6
| 6455 | The Chessboard Adventures of Norman Macleod | 1996 |
SOLUTION
- SOUND
- Sets
- 1...Kd5
- 2.Sf6#
- 1...Sbd5
- 2.Sc5#
- 1...Sed5
- 2.Sd6#
- 1...Kd5
- Tries
- 1.Re3+?
- 1...Kd5
- 2.Sb6#
- 2.Sf6#
- 2.Re5#
- 2.Qc5#
- 1...Kxe3!
- 1...Kd5
- 1.Raf3?
- threat
- 2.Sc3#
- 2.Sf6#
- 1...Kd5
- 2.Sf6#
- 1...Rxh6
- 2.Sc3#
- 1...Rxh8
- 2.Sf6#
- 1...Sxc8
- 2.Sc3#
- 1...Rb1
- 2.Sf6#
- 1...Ra2
- 2.Sf6#
- 1...Rc2
- 2.Sf6#
- 1...Rd2
- 2.Sf6#
- 1...Re2
- 2.Sf6#
- 1...Rf2
- 2.Sf6#
- 1...Rb3
- 2.Sf6#
- 1...Rf7
- 2.Sc3#
- 1...Rg7
- 2.Sf6#
- 1...Sa2
- 2.Sf6#
- 1...Sc2
- 2.Sf6#
- 1...Sd3
- 2.Sf6#
- 1...Sbd5
- 2.Sc5#
- 1...Sa6
- 2.Sf6#
- 1...Sbc6
- 2.Sf6#
- 1...Sed5
- 2.Sd6#
- 1...Sf5
- 2.Sc3#
- 1...Sec6
- 2.Sc3#
- 1...Sg6
- 2.Sc3#
- 1...Sg8
- 2.Sc3#
- 1...Rxg2!
- threat
- 1.Rf4+?
- 1...Kd5
- 2.Sb6#
- 2.Sf6#
- 1...Kxf4!
- 1...Kd5
- 1.Re3+?
- Keys
- 1.Rff3!
- threat
- 2.Sc3#
- 2.Sf6#
- 1...Kd5
- 2.Sf6#
- 1...Rxg2
- 2.Sf6#
- 1...Rxh6
- 2.Sc3#
- 1...Rxh8
- 2.Sf6#
- 1...Sxc8
- 2.Sc3#
- 1...Rb1
- 2.Sf6#
- 1...Ra2
- 2.Sf6#
- 1...Rc2
- 2.Sf6#
- 1...Rd2
- 2.Sf6#
- 1...Re2
- 2.Sf6#
- 1...Rf2
- 2.Sf6#
- 1...Rb3
- 2.Sf6#
- 1...Rf7
- 2.Sc3#
- 1...Rg7
- 2.Sf6#
- 1...Sa2
- 2.Sf6#
- 1...Sc2
- 2.Sf6#
- 1...Sd3
- 2.Sf6#
- 1...Sbd5
- 2.Sc5#
- 1...Sa6
- 2.Sf6#
- 1...Sbc6
- 2.Sf6#
- 1...Sed5
- 2.Sd6#
- 1...Sf5
- 2.Sc3#
- 1...Sec6
- 2.Sc3#
- 1...Sg6
- 2.Sc3#
- 1...Sg8
- 2.Sc3#
- threat
- 1.Rff3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 22
- REMOVED MATES = 0
- Sets
- K(d);S_FLIGHT::S(H)
- S(c);P_PINS(D),SBLOCK::S(H)
- S(e);P_PINS(H),SBLOCK::S(D)
- Tries
- Try
- R(B);CHECK
- Refutation
- K(d);P-FLIGHT,XR(B)
- Try
- R(B);
- Threat
- DUALS(2)
- Vars
- K(d);S_FLIGHT::S(H)
- R(f);XP(F)::S(D)
- R(f);XB(K)::S(H)
- S(e);P_PINS(H),XQ(I)::S(D)
- R(b);::S(H)
- R(f);::S(D)
- R(f);::S(H)
- S(c);P_PINS(D)::S(H)
- S(c);P_PINS(D),SBLOCK::S(H)
- S(e);P_PINS(H),SBLOCK::S(D)
- S(e);P_PINS(H)::S(D)
- Refutation
- R(b);XP(A)
- Try
- R(J);CHECK
- Refutation
- K(d);P-FLIGHT,XR(J)
- Try
- Actual
- R(J);
- Threat
- DUALS(2)
- Vars
- K(d);S_FLIGHT::S(H)
- R(b);XP(A)::S(H)
- R(f);XP(F)::S(D)
- R(f);XB(K)::S(H)
- S(e);P_PINS(H),XQ(I)::S(D)
- R(b);::S(H)
- R(f);::S(D)
- R(f);::S(H)
- S(c);P_PINS(D)::S(H)
- S(c);P_PINS(D),SBLOCK::S(H)
- S(e);P_PINS(H),SBLOCK::S(D)
- S(e);P_PINS(H)::S(D)
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