MESON Chess Problem Database
Problem Display
PID: 270658 (5n2/3p2Qb/5r1r/N6p/N1pk3P/3P4/2P3B1/4R2K w - - 0 1)
Thomson, Robert Gavin
Sunday Referee, 1931
(First published on Sun Dec 20 1931)
#2
9 + 8
| 15239 | Valois Notebooks | 2023 |
SOLUTION
- SOUND
- Sets
- 1...Bxd3
- 2.c3#
- 1...Bg6
- 2.Qxf6#
- 1...Se6
- 2.Qxd7#
- 1...cxd3
- 2.c3#
- 1...c3
- 2.Sb3#
- 1...d5
- 2.Sc6#
- 1...d6
- 2.Sc6#
- 2.Qa7#
- 1...Bxd3
- Tries
- 1.Bc6?
- 1...Be4+
- 2.Rxe4#
- 1...Bxd3
- 2.c3#
- 1...cxd3
- 2.c3#
- 1...Rg6
- 2.Re4#
- 1...Bf5
- 2.Qg1#
- 1...Bg6
- 2.Qxf6#
- 1...Bg8
- 2.Re4#
- 1...Se6
- 2.Qxd7#
- 1...Sg6
- 2.Re4#
- 1...c3
- 2.Sb3#
- 1...d5
- 2.Qa7#
- 1...d6
- 2.Qa7#
- 1...dxc6!
- 1...Be4+
- 1.Bb7?
- 1...Be4+
- 2.Rxe4#
- 1...Bxd3
- 2.c3#
- 1...cxd3
- 2.c3#
- 1...Rg6
- 2.Re4#
- 1...Bf5
- 2.Qg1#
- 1...Bg6
- 2.Qxf6#
- 1...Bg8
- 2.Re4#
- 1...Se6
- 2.Qxd7#
- 1...Sg6
- 2.Re4#
- 1...c3
- 2.Sb3#
- 1...d5
- 2.Sc6#
- 1...d6!
- 1...Be4+
- 1.Qg5?
- threat
- 2.Qe3#
- 2.Qc5#
- 2.Qd5#
- 2.Qe5#
- 1...Rf3
- 2.Qc5#
- 2.Qe5#
- 1...Rf4
- 2.Qc5#
- 2.Qd5#
- 2.Qe5#
- 1...Rf5
- 2.Qe3#
- 1...Rc6
- 2.Qe3#
- 2.Qd5#
- 2.Qe5#
- 1...Rd6
- 2.Qe3#
- 2.Qc5#
- 2.Qe5#
- 1...Re6
- 2.Qc5#
- 2.Qd5#
- 1...Be4
- 2.Rxe4#
- 2.Qc5#
- 1...Bf5
- 2.Qe3#
- 1...Bg8
- 2.Re4#
- 2.Qe3#
- 2.Qc5#
- 2.Qe5#
- 1...Se6
- 2.Qe3#
- 2.Qd5#
- 2.Qe5#
- 1...Sg6
- 2.Re4#
- 2.Qe3#
- 2.Qc5#
- 2.Qd5#
- 1...d5
- 2.Qe3#
- 2.Qxd5#
- 2.Qe5#
- 1...d6
- 2.Sc6#
- 2.Qe3#
- 2.Qd5#
- 1...Rf1+!
- threat
- 1.Qxd7+?
- 1...Rd6
- 2.Sc6#
- 1...Sxd7!
- 1...Rd6
- 1.Qe7?
- threat
- 2.Qc5#
- 2.Qe3#
- 2.Qe5#
- 1...Rf3
- 2.Qc5#
- 2.Qe5#
- 1...Be4
- 2.Qc5#
- 2.Qxe4#
- 1...Rf5
- 2.Qe3#
- 2.Qe4#
- 1...Rc6
- 2.Qe3#
- 2.Qe5#
- 1...Rd6
- 2.Qe3#
- 2.Qe5#
- 1...Re6
- 2.Qc5#
- 1...Se6
- 2.Qd6#
- 2.Qxd7#
- 1...Sg6
- 2.Qc5#
- 2.Qe3#
- 2.Qe4#
- 1...d6
- 2.Sc6#
- 2.Qe3#
- 2.Qa7#
- 1...Rf1+!
- threat
- 1.Bc6?
- Keys
- 1.Ba8!
- 1...Be4+
- 2.Rxe4#
- 1...Bxd3
- 2.c3#
- 1...cxd3
- 2.c3#
- 1...Rg6
- 2.Re4#
- 1...Bf5
- 2.Qg1#
- 1...Bg6
- 2.Qxf6#
- 1...Bg8
- 2.Re4#
- 1...Se6
- 2.Qxd7#
- 1...Sg6
- 2.Re4#
- 1...c3
- 2.Sb3#
- 1...d5
- 2.Sc6#
- 1...d6
- 2.Qa7#
- 1...Be4+
- 1.Ba8!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 6
- REMOVED MATES = 0
- Sets
- B(g);SBLOCK,XP(E)::P(C)
- B(g);S_CUTR(e)::QAB(I),XR(d)
- S(h);N_GUARD::QAR(I),XP(f)
- P(a);SBLOCK,XP(E)::P(C)
- P(a);N_GUARD::S(H)
- P(f);N_GUARD::S(H)
- Tries
- Try
- B(D);
- Vars
- B(g);CHECK,N_GUARD::R1(A),XB(g)
- B(g);SBLOCK,XP(E)::P(C)
- P(a);SBLOCK,XP(E)::P(C)
- R(e);S_CUTB(g)::R1(A)
- B(g);::QAB(I)
- B(g);S_CUTR(e)::QAB(I),XR(d)
- B(g);N_GUARD::R1(A)
- S(h);N_GUARD::QAR(I),XP(f)
- S(h);S_CUTB(g)::R1(A)
- P(a);N_GUARD::S(H)
- P(f);OGATE::QAB(I)
- Refutation
- P(f);XB(D)
- Try
- B(D);
- Vars
- B(g);CHECK,N_GUARD::R1(A),XB(g)
- B(g);SBLOCK,XP(E)::P(C)
- P(a);SBLOCK,XP(E)::P(C)
- R(e);S_CUTB(g)::R1(A)
- B(g);::QAB(I)
- B(g);S_CUTR(e)::QAB(I),XR(d)
- B(g);N_GUARD::R1(A)
- S(h);N_GUARD::QAR(I),XP(f)
- S(h);S_CUTB(g)::R1(A)
- P(a);N_GUARD::S(H)
- P(f);N_GUARD,SBLOCK::S(H)
- Refutation
- P(f);
- Try
- Q(I);N_PINR(d)
- Threat
- DUALS(4)
- Vars
- R(d);::QAB1(I)
- B(g);::QAB1(I)
- Refutation
- R(d);CHECK
- Try
- Q(I);CHECK,N_PINR(d),XP(f)
- Vars
- R(d);P_SPINR(d)::S(H)
- Refutation
- S(h);XQ(I)
- Try
- Q(I);N_PINR(d)
- Threat
- DUALS(3)
- Vars
- R(d);::QAB1(I)
- Refutation
- R(d);CHECK
- Try
- Actual
- B(D);
- Vars
- B(g);CHECK,N_GUARD::R1(A),XB(g)
- B(g);SBLOCK,XP(E)::P(C)
- P(a);SBLOCK,XP(E)::P(C)
- R(e);S_CUTB(g)::R1(A)
- B(g);::QAB(I)
- B(g);S_CUTR(e)::QAB(I),XR(d)
- B(g);N_GUARD::R1(A)
- S(h);N_GUARD::QAR(I),XP(f)
- S(h);S_CUTB(g)::R1(A)
- P(a);N_GUARD::S(H)
- P(f);N_GUARD,SBLOCK::S(H)
- P(f);OGATE::QAB(I)
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