MESON Chess Problem Database
Problem Display
PID: 77960 (1q6/2rp4/4pp2/5k2/4R1Rp/3Q2P1/rb4BK/1b1nnN2 w - - 0 1)
Davey, David Murray
The Tablet, 1954
(First published on Sat Jun 26 1954)
#2
7 + 12
| 15239 | Valois Notebooks | 2017 |
SOLUTION
- SOUND
- Sets
- 1...Be5
- 2.Ref4#
- 1...Sf2
- 2.Se3#
- 1...Sc3
- 2.Se3#
- 1...Se3
- 2.Sxe3#
- 1...Sc2
- 2.Qf3#
- 1...Sf3+
- 2.Qxf3#
- 1...hxg3+
- 2.Sxg3#
- 1...Be5
- Tries
- 1.Re5+?
- 1...Kxg4
- 2.Bh3#
- 1...Kxe5!
- 1...Kxg4
- 1.Rg8?
- threat
- 2.Bh3#
- 2.g4#
- 1...Sf3+
- 2.Qxf3#
- 1...hxg3+
- 2.Sxg3#
- 1...Bxd3
- 2.g4#
- 1...Sxg2
- 2.g4#
- 1...Sxd3
- 2.g4#
- 1...e5
- 2.Bh3#
- 1...Rc1
- 2.Bh3#
- 1...Rc2
- 2.Rxe1#
- 1...Rc3
- 2.Bh3#
- 1...Rc4
- 2.Bh3#
- 1...Rc5
- 2.Bh3#
- 1...Rc6
- 2.Bh3#
- 1...Rca7
- 2.Bh3#
- 1...Rb7
- 2.Bh3#
- 1...Rc8
- 2.Bh3#
- 1...Ba1
- 2.g4#
- 1...Bc1
- 2.g4#
- 1...Ba3
- 2.g4#
- 1...Bc3
- 2.g4#
- 1...Bd4
- 2.g4#
- 1...Be5
- 2.Rf4#
- 1...Sf2
- 2.Se3#
- 1...Se3
- 2.Sxe3#
- 1...h3
- 2.Bxh3#
- 2.g4#
- 1...Qxg8!
- threat
- 1.Qd5+?
- 1...Be5
- 2.Ref4#
- 1...e5
- 2.Ref4#
- 1...exd5!
- 1...Be5
- 1.Re5+?
- Keys
- 1.Rg7!
- threat
- 2.Bh3#
- 2.g4#
- 1...Sf3+
- 2.Qxf3#
- 1...hxg3+
- 2.Sxg3#
- 1...Bxd3
- 2.g4#
- 1...Sxg2
- 2.g4#
- 1...Sxd3
- 2.g4#
- 1...e5
- 2.Bh3#
- 1...Rc1
- 2.Bh3#
- 1...Rc2
- 2.Rxe1#
- 1...Rc3
- 2.Bh3#
- 1...Rc4
- 2.Bh3#
- 1...Rc5
- 2.Bh3#
- 1...Rc6
- 2.Bh3#
- 1...Rca7
- 2.Bh3#
- 1...Rb7
- 2.Bh3#
- 1...Rc8
- 2.Bh3#
- 1...Ba1
- 2.g4#
- 1...Bc1
- 2.g4#
- 1...Ba3
- 2.g4#
- 1...Bc3
- 2.g4#
- 1...Bd4
- 2.g4#
- 1...Be5
- 2.Rf4#
- 1...Sf2
- 2.Se3#
- 1...Se3
- 2.Sxe3#
- 1...h3
- 2.Bxh3#
- 2.g4#
- threat
- 1.Rg7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 18
- REMOVED MATES = 2
- Sets
- B(e);P_PINB(B),P_PINP(E),SBLOCK::QAB(D)+R(F),DCHECK
- S(b);N_GUARD::S(A)
- S(b);N_GUARD::S(A),XS(b)
- S(c);N_GUARD::QAR2(D)
- S(c);CHECK,N_GUARD::QAR2(D),XS(c)
- P(f);CHECK,XP(E)::S(A),XP(f)
- Tries
- Try
- R(F);CHECK
- Vars
- K(g);S_FLIGHT,XR(G)::B(B)
- Refutation
- K(g);P-FLIGHT,XR(F)
- Try
- R(G);
- Threat
- DUALS(2)
- Vars
- S(c);CHECK,N_GUARD::QAR2(D),XS(c)
- P(f);CHECK,XP(E)::S(A),XP(f)
- B(a);XQ(D)::P(E)
- S(c);XB(B)::P(E)
- S(c);XQ(D)::P(E)
- P(h);::B(B)
- R(j);P_PINP(E)::B(B)
- R(j);P_PINB(B),P_PINP(E),S_CUTB(a)::QAB(D)+R(F),XS(c)
- B(e);P_PINB(B)::P(E)
- B(e);P_PINB(B),P_PINP(E),SBLOCK::QAB(D)+R(F),DCHECK
- S(b);N_GUARD::S(A)
- S(b);N_GUARD::S(A),XS(b)
- Refutation
- Q(l);XR(G)
- Try
- Q(D);CHECK
- Vars
- B(e);P_PINB(B),P_PINP(E),P_SPINB(e)::R1(F)
- P(h);P_SPINP(h)::R1(F)
- Refutation
- P(h);XQ(D)
- Try
- Actual
- R(G);
- Threat
- DUALS(2)
- Vars
- S(c);CHECK,N_GUARD::QAR2(D),XS(c)
- P(f);CHECK,XP(E)::S(A),XP(f)
- B(a);XQ(D)::P(E)
- S(c);XB(B)::P(E)
- S(c);XQ(D)::P(E)
- P(h);::B(B)
- R(j);P_PINP(E)::B(B)
- R(j);P_PINB(B),P_PINP(E),S_CUTB(a)::QAB(D)+R(F),XS(c)
- B(e);P_PINB(B)::P(E)
- B(e);P_PINB(B),P_PINP(E),SBLOCK::QAB(D)+R(F),DCHECK
- S(b);N_GUARD::S(A)
- S(b);N_GUARD::S(A),XS(b)
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