MESON Chess Problem Database
Problem Display
PID: 146169 (1n3b2/4nQp1/1N4R1/Bpk5/7p/2Pp3p/1r3N1K/5b2 w - - 0 1)
Thomson, Robert Gavin
Comm., Grantham Journal, 1929
(First published on Sat Mar 30 1929)
#2
7 + 11
| 14868 | Pirnie Collection | 2012 |
SOLUTION
- SOUND
- Sets
- 1...Rb1
- 2.Se4#
- 1...Ra2
- 2.Bb4#
- 1...Rc2
- 2.Bb4#
- 1...Rd2
- 2.Bb4#
- 1...Re2
- 2.Bb4#
- 1...Rxf2+
- 2.Qxf2#
- 1...Rb3
- 2.Se4#
- 1...Rb4
- 2.Bxb4#
- 1...Be2
- 2.Se4#
- 1...Bg2
- 2.Sxd3#
- 1...Sd5
- 2.Qxd5#
- 1...Sf5
- 2.Qd5#
- 2.Qxf5#
- 1...Sec6
- 2.Qd5#
- 1...Sxg6
- 2.Qd5#
- 1...Sc8
- 2.Qd5#
- 2.Qf5#
- 1...Sg8
- 2.Qd5#
- 2.Qf5#
- 1...Sa6
- 2.Sd7#
- 1...Sbc6
- 2.Sd7#
- 1...Sd7
- 2.Sxd7#
- 1...d2
- 2.Se4#
- 1...b4
- 2.Qc4#
- 1...Rb1
- Tries
- 1.Kg1?
- threat
- 2.Se4#
- 1...Rxf2
- 2.Bb4#
- 2.Qxf2#
- 1...Sxg6
- 2.Qd5#
- 1...b4
- 2.Qc4#
- 1...Re2
- 2.Sxd3#
- 2.Bb4#
- 1...Rb4
- 2.Bxb4#
- 1...Bg2
- 2.Sxd3#
- 1...h2+!
- threat
- 1.Kh1?
- threat
- 2.Se4#
- 1...Rxf2
- 2.Bb4#
- 2.Qxf2#
- 1...Sxg6
- 2.Qd5#
- 1...b4
- 2.Qc4#
- 1...Re2
- 2.Sxd3#
- 2.Bb4#
- 1...Rb4
- 2.Bxb4#
- 1...Bg2+!
- threat
- 1.Qb3?
- threat
- 2.Bb4#
- 1...Rxb3
- 2.Se4#
- 1...Sxg6
- 2.Qd5#
- 1...b4
- 2.Qc4#
- 1...Sd5
- 2.Qxd5#
- 1...Sec6
- 2.Qd5#
- 1...Sa6
- 2.Sd7#
- 1...Sbc6
- 2.Sd7#
- 1...Rxf2+!
- threat
- 1.Qe6?
- threat
- 2.Qe3#
- 2.Qd6#
- 1...Sxg6
- 2.Qd5#
- 1...b4
- 2.Qc4#
- 1...Re2
- 2.Bb4#
- 2.Qd6#
- 1...Rb4
- 2.Bxb4#
- 2.Qd6#
- 1...Sd5
- 2.Qxd5#
- 1...Sf5
- 2.Qd5#
- 2.Qxf5#
- 2.Qe5#
- 1...Sec6
- 2.Qd5#
- 1...Sc8
- 2.Rg5#
- 2.Qd5#
- 2.Qf5#
- 2.Qe3#
- 2.Qe5#
- 1...Sg8
- 2.Rg5#
- 2.Qd5#
- 2.Qf5#
- 2.Qe3#
- 2.Qe5#
- 1...Sbc6
- 2.Sd7#
- 2.Qd6#
- 1...Rxf2+!
- threat
- 1.Qf5+?
- 1...Sd5
- 2.Qxd5#
- 1...Sxf5!
- 1...Sd5
- 1.Kg1?
- Keys
- 1.Qa2!
- 1...Rxf2+
- 2.Qxf2#
- 1...Rxa2
- 2.Bb4#
- 1...Sxg6
- 2.Qd5#
- 1...b4
- 2.Qc4#
- 1...Rb1
- 2.Se4#
- 1...Rc2
- 2.Bb4#
- 1...Rd2
- 2.Bb4#
- 1...Re2
- 2.Bb4#
- 1...Rb3
- 2.Se4#
- 1...Rb4
- 2.Bxb4#
- 1...Be2
- 2.Se4#
- 1...Bg2
- 2.Sxd3#
- 1...Sd5
- 2.Qxd5#
- 1...Sf5
- 2.Qd5#
- 1...Sec6
- 2.Qd5#
- 1...Sc8
- 2.Qd5#
- 1...Sg8
- 2.Qd5#
- 1...Sa6
- 2.Sd7#
- 1...Sbc6
- 2.Sd7#
- 1...Sd7
- 2.Sxd7#
- 1...d2
- 2.Se4#
- 1...Rxf2+
- 1.Qa2!
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- R(b);N_PINS(A)::S(A)
- R(b);N_GUARD::B(D)
- R(b);CHECK,OGATE,XS(A)::QAB(G),XR(b)
- R(b);N_GUARD,N_PINS(A)::B(D),XR(b)
- B(a);N_PINS(A)::S(A)
- B(a);N_PINS(A)::S(A),XP(c)
- S(h);N_GUARD::QAR1(G),XS(h)
- S(h);N_GUARD::QAR1(G)
- S(h);N_GUARD,XR(F)::QAR1(G)
- S(j);N_GUARD::S(E)
- S(j);N_GUARD::S(E),XS(j)
- P(c);N_PINS(A)::S(A)
- P(f);N_GUARD::QAR1(G)
- Tries
- Try
- K(B);N_SPINS(A),S_FLIGHT
- Threat
- S(A)
- Vars
- S(h);N_GUARD,XR(F)::QAR1(G)
- P(f);N_GUARD::QAR1(G)
- R(b);N_GUARD::B(D),XR(b)
- B(a);N_GUARD::S(A),XP(c)
- Refutation
- P(d);CHECK
- Try
- K(B);N_SPINS(A),P-FLIGHT
- Threat
- S(A)
- Vars
- S(h);N_GUARD,XR(F)::QAR1(G)
- P(f);N_GUARD::QAR1(G)
- R(b);N_GUARD::B(D),XR(b)
- Refutation
- B(a);CHECK
- Try
- Q(G);
- Threat
- B(D)
- Vars
- R(b);N_PINS(A),XQ(G)::S(A)
- S(h);N_GUARD,XR(F)::QAR1(G)
- P(f);N_GUARD::QAR1(G)
- S(h);N_GUARD::QAR1(G),XS(h)
- S(h);N_GUARD::QAR1(G)
- S(j);N_GUARD::S(E)
- Refutation
- R(b);CHECK,XS(A)
- Try
- Q(G);
- Threat
- DUALS(2)
- Vars
- S(h);N_GUARD,XR(F)::QAR1(G)
- P(f);N_GUARD::QAR1(G)
- S(h);N_GUARD::QAR1(G),XS(h)
- S(h);N_GUARD::QAR1(G)
- Refutation
- R(b);CHECK,XS(A)
- Try
- Q(G);CHECK
- Vars
- S(h);N_GUARD,P_SPINS(h)::QAR1(G),XS(h)
- Refutation
- S(h);XQ(G)
- Try
- Actual
- Q(G);
- Vars
- R(b);CHECK,OGATE,XS(A)::QAB(G),XR(b)
- R(b);N_GUARD,XQ(G)::B(D)
- S(h);N_GUARD,XR(F)::QAR1(G)
- P(f);N_GUARD::QAR1(G)
- R(b);N_PINS(A)::S(A)
- R(b);N_GUARD::B(D)
- R(b);N_GUARD,N_PINS(A)::B(D),XR(b)
- B(a);N_PINS(A)::S(A)
- B(a);N_PINS(A)::S(A),XP(c)
- S(h);N_GUARD::QAR1(G),XS(h)
- S(h);N_GUARD::QAR1(G)
- S(j);N_GUARD::S(E)
- S(j);N_GUARD::S(E),XS(j)
- P(c);N_PINS(A)::S(A)
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