MESON Chess Problem Database
Problem Display
PID: 79464 (3r4/Q3b3/4k3/3RN3/1p6/1K3R2/8/7B w - - 0 1)
Davey, David Murray
The Tablet, 1965
(First published on Sat May 8 1965)
#2
6 + 4
| 15239 | Valois Notebooks | 2017 |
SOLUTION
- SOUND
- Sets
- 1...Rd7
- 2.Qxd7#
- 1...Ra8
- 2.Qd7#
- 1...Rb8
- 2.Qd7#
- 1...Rc8
- 2.Qd7#
- 1...Re8
- 2.Qd7#
- 1...Rf8
- 2.Qd7#
- 1...Rg8
- 2.Qd7#
- 1...Rh8
- 2.Qd7#
- 1...Bh4
- 2.Qf7#
- 1...Bc5
- 2.Qf7#
- 1...Bg5
- 2.Qf7#
- 1...Bd6
- 2.Qf7#
- 1...Bf6
- 2.Qf7#
- 1...Bf8
- 2.Qf7#
- 1...Rd7
- Tries
- 1.Sd3?
- 1...Kxd5
- 2.Rf6#
- 1...Rd6
- 2.Re5#
- 1...Rd7
- 2.Qxd7#
- 1...Ra8
- 2.Qd7#
- 1...Rb8
- 2.Qd7#
- 1...Rc8
- 2.Qd7#
- 1...Re8
- 2.Qd7#
- 1...Rf8
- 2.Qd7#
- 1...Rg8
- 2.Qd7#
- 1...Rh8
- 2.Qd7#
- 1...Bh4
- 2.Qf7#
- 1...Bc5
- 2.Qf7#
- 1...Bg5
- 2.Qf7#
- 1...Bd6
- 2.Qf7#
- 1...Bf6
- 2.Sf4#
- 1...Bf8
- 2.Qf7#
- 1...Rxd5!
- 1...Kxd5
- 1.Sg4?
- 1...Kxd5
- 2.Rf6#
- 1...Rd6
- 2.Re5#
- 1...Rd7
- 2.Qxd7#
- 1...Ra8
- 2.Qd7#
- 1...Rb8
- 2.Qd7#
- 1...Rc8
- 2.Qd7#
- 1...Re8
- 2.Qd7#
- 1...Rf8
- 2.Qd7#
- 1...Rg8
- 2.Qd7#
- 1...Rh8
- 2.Qd7#
- 1...Bh4
- 2.Re3#
- 2.Qf7#
- 1...Bc5
- 2.Rf6#
- 2.Qf7#
- 1...Bg5
- 2.Qf7#
- 1...Bd6
- 2.Rf6#
- 2.Qf7#
- 1...Bf6
- 2.Rxf6#
- 1...Bf8
- 2.Re3#
- 2.Rf6#
- 2.Qf7#
- 1...Rxd5!
- 1...Kxd5
- 1.Sc6?
- 1...Kxd5
- 2.Rf6#
- 1...Rxd5
- 2.Qxe7#
- 1...Rd6
- 2.Re5#
- 1...Rd7
- 2.Qxd7#
- 1...Ra8
- 2.Qd7#
- 1...Rb8
- 2.Qd7#
- 1...Rc8
- 2.Qd7#
- 1...Re8
- 2.Qd7#
- 1...Rf8
- 2.Qd7#
- 1...Rg8
- 2.Qd7#
- 1...Rh8
- 2.Qd7#
- 1...Bh4
- 2.Qf7#
- 1...Bc5
- 2.Qf7#
- 1...Bg5
- 2.Qf7#
- 1...Bd6
- 2.Qf7#
- 1...Bf8
- 2.Qf7#
- 1...Bf6!
- 1...Kxd5
- 1.Qxe7+?
- 1...Kxd5
- 2.Rd3#
- 2.Rf4#
- 1...Kxe7!
- 1...Kxd5
- 1.Sd3?
- Keys
- 1.Sg6!
- 1...Kxd5
- 2.Rf6#
- 1...Rxd5
- 2.Qxe7#
- 1...Bf6
- 2.Sf4#
- 1...Rd6
- 2.Re5#
- 1...Rd7
- 2.Qxd7#
- 1...Ra8
- 2.Qd7#
- 1...Rb8
- 2.Qd7#
- 1...Rc8
- 2.Qd7#
- 1...Re8
- 2.Qd7#
- 1...Rf8
- 2.Qd7#
- 1...Rg8
- 2.Qd7#
- 1...Rh8
- 2.Qd7#
- 1...Bh4
- 2.Qf7#
- 1...Bc5
- 2.Qf7#
- 1...Bg5
- 2.Qf7#
- 1...Bd6
- 2.Qf7#
- 1...Bf8
- 2.Qf7#
- 1...Kxd5
- 1.Sg6!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 1
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- R(d);N_GUARD::QAB1(F),XR(d)
- R(d);N_GUARD::QAB1(F)
- B(c);OGATE::QAB1(F)
- Tries
- Try
- S(E);
- Vars
- K(b);S_FLIGHT,XR(D)::B(A)+R(C)
- R(d);SBLOCK::R1(D)
- R(d);N_GUARD::QAB1(F),XR(d)
- R(d);N_GUARD::QAB1(F)
- B(c);OGATE::QAB1(F)
- B(c);SBLOCK::S(E)
- Refutation
- R(d);XR(D)
- Try
- S(E);
- Vars
- K(b);S_FLIGHT,XR(D)::B(A)+R(C)
- R(d);SBLOCK::R1(D)
- R(d);N_GUARD::QAB1(F),XR(d)
- R(d);N_GUARD::QAB1(F)
- B(c);OGATE::QAB1(F)
- B(c);N_GUARD::R1(C),XB(c)
- Refutation
- R(d);XR(D)
- Try
- S(E);
- Vars
- K(b);S_FLIGHT,XR(D)::B(A)+R(C)
- R(d);SBLOCK,XR(D)::QAR1(F),XB(c)
- R(d);SBLOCK::R1(D)
- R(d);N_GUARD::QAB1(F),XR(d)
- R(d);N_GUARD::QAB1(F)
- B(c);OGATE::QAB1(F)
- Refutation
- B(c);
- Try
- Q(F);CHECK,XB(c)
- Refutation
- K(b);P-FLIGHT,XQ(F)
- Try
- Actual
- S(E);
- Vars
- K(b);S_FLIGHT,XR(D)::B(A)+R(C)
- R(d);SBLOCK,XR(D)::QAR1(F),XB(c)
- B(c);SBLOCK::S(E)
- R(d);SBLOCK::R1(D)
- R(d);N_GUARD::QAB1(F),XR(d)
- R(d);N_GUARD::QAB1(F)
- B(c);OGATE::QAB1(F)
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