MESON Chess Problem Database
Problem Display
PID: 270427 (3N2B1/1nR1P3/bP1k2PR/p2pr3/P2P1rn1/7p/4PP1B/6K1 w - - 0 1)
Thomson, Robert Gavin
Sunday Referee, 1931
(First published on Sun Oct 25 1931)
#2
13 + 9
| 15239 | Valois Notebooks | 2023 |
SOLUTION
- SOUND
- Sets
- 1...Rxf2
- 2.e8S#
- 1...Rf3
- 2.e8S#
- 1...Rxd4
- 2.e8S#
- 1...Rfe4
- 2.e8S#
- 1...Rff5
- 2.e8S#
- 1...Rf6
- 2.e8S#
- 1...Rf7
- 2.e8S#
- 1...Rf8
- 2.exf8Q#
- 2.exf8B#
- 1...Ref5
- 2.e8S#
- 1...Rg5
- 2.e8S#
- 1...Rh5
- 2.e8S#
- 1...Re6
- 2.Sf7#
- 1...Bxe2
- 2.Sxb7#
- 1...Bd3
- 2.Sxb7#
- 1...Bc4
- 2.Sxb7#
- 1...Bb5
- 2.Sxb7#
- 1...Sc5
- 2.dxc5#
- 1...Sxd8
- 2.exd8Q#
- 2.exd8R#
- 1...Rxf2
- Tries
- 1.Bxf4?
- threat
- 2.e8S#
- 1...Bb5
- 2.Sxb7#
- 1...Sf6
- 2.Bxe5#
- 2.dxe5#
- 1...h2+!
- threat
- 1.dxe5+?
- 1...Sxe5
- 2.e8S#
- 1...Kxe5!
- 1...Sxe5
- 1.e8Q?
- threat
- 2.Rc6#
- 2.Rd7#
- 2.Qc6#
- 2.Qd7#
- 1...Rxd4
- 2.Sf7#
- 2.Rc6#
- 2.Qc6#
- 2.Qd7#
- 2.Qe6#
- 2.Qe7#
- 2.Qf8#
- 1...Sxd8
- 2.Qd7#
- 2.Qxd8#
- 1...Rf7
- 2.Sxf7#
- 2.Rc6#
- 2.Qc6#
- 2.Qe6#
- 1...Re7
- 2.Rc6#
- 2.Qc6#
- 2.Qxe7#
- 1...Bb5
- 2.Sxb7#
- 1...Sf6
- 2.Sf7#
- 2.Rc6#
- 2.Qc6#
- 2.Qxe5#
- 2.dxe5#
- 1...Sc5
- 2.Rc6#
- 2.Qc6#
- 2.dxc5#
- 1...Rxe8!
- threat
- 1.Bxf4?
- Keys
- 1.Rh5!
- 1...Rxf2
- 2.e8S#
- 1...Rxd4
- 2.e8S#
- 1...Rxe2
- 2.Rxd5#
- 1...Rxh5
- 2.e8S#
- 1...Rxe7
- 2.Rxd5#
- 1...Bxe2
- 2.Sxb7#
- 1...Sxf2
- 2.dxe5#
- 1...Sxh2
- 2.dxe5#
- 1...Sxd8
- 2.exd8Q#
- 2.exd8R#
- 1...Rf3
- 2.e8S#
- 1...Rfe4
- 2.e8S#
- 1...Rff5
- 2.e8S#
- 1...Rf6
- 2.e8S#
- 1...Rf7
- 2.e8S#
- 1...Rf8
- 2.exf8Q#
- 2.exf8B#
- 1...Re3
- 2.Rxd5#
- 1...Ree4
- 2.Rxd5#
- 1...Ref5
- 2.e8S#
- 1...Rg5
- 2.e8S#
- 1...Re6
- 2.Sf7#
- 1...Bd3
- 2.Sxb7#
- 1...Bc4
- 2.Sxb7#
- 1...Bb5
- 2.Sxb7#
- 1...Se3
- 2.dxe5#
- 1...Sf6
- 2.dxe5#
- 1...Sh6
- 2.dxe5#
- 1...Sc5
- 2.dxc5#
- 1...Rxf2
- 1.Rh5!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 9
- REMOVED MATES = 0
- Sets
- R(b);P_SPINR(f),XP(C)::P=S
- R(b);P_SPINR(f)::P=S
- R(b);P_SPINR(f),XP(F)::P=S
- R(b);OGATE,P_SPINR(f)::PXR(b)=Q
- R(f);N_GUARD,P_SPINR(b)::P=S
- R(f);P_SPINR(b),SBLOCK::S(L)
- B(g);N_GUARD,XP(B)::S(L),XS(i)
- B(g);N_GUARD::S(L),XS(i)
- S(i);OGATE::P(F),XS(i)
- S(i);OGATE,XS(L)::PXS(i)=Q
- Tries
- Try
- B(D);P_PINR(f),XR(b)
- Threat
- P=S
- Vars
- B(g);N_GUARD::S(L),XS(i)
- Refutation
- P(a);CHECK
- Try
- P(F);CHECK,XR(f)
- Vars
- S(c);N_GUARD,SBLOCK,XP(F)::P=S
- Refutation
- K(h);P_SPINR(b),S_FLIGHT,XP(F)
- Try
- P(K);
- Threat
- DUALS(4)
- Vars
- B(g);N_GUARD::S(L),XS(i)
- Refutation
- R(f);P_SPINR(b),XQ(K)
- Try
- Actual
- R(I);
- Vars
- R(b);P_SPINR(f),XP(C)::P=S
- R(b);P_SPINR(f),XP(F)::P=S
- R(f);OGATE,P_SPINR(b),XP(B)::R1(I),XP(e)
- R(f);N_GUARD,P_SPINR(b),XR(I)::P=S
- R(f);OGATE,P_SPINR(b),XP(K)::R1(I),XP(e)
- B(g);N_GUARD,XP(B)::S(L),XS(i)
- S(c);N_GUARD,XP(C)::P(F),XR(f)
- S(c);N_GUARD,XB(D)::P(F),XR(f)
- S(i);OGATE,XS(L)::PXS(i)=Q
- R(b);P_SPINR(f)::P=S
- R(b);OGATE,P_SPINR(f)::PXR(b)=Q
- R(f);OGATE,P_SPINR(b)::R1(I),XP(e)
- R(f);N_GUARD,P_SPINR(b)::P=S
- R(f);P_SPINR(b),SBLOCK::S(L)
- B(g);N_GUARD::S(L),XS(i)
- S(c);N_GUARD::P(F),XR(f)
- S(i);OGATE::P(F),XS(i)
Developed and maintained by Brian Stephenson.
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