MESON Chess Problem Database
Problem Display
PID: 77122 (3B4/K2p4/3P4/8/2n3R1/1N1bk2n/prp4R/Q1N4B w - - 0 1)
Davey, David Murray
The Tablet, 1948
(First published on Sat Oct 30 1948)
#2
9 + 8
| 15239 | Valois Notebooks | 2017 |
SOLUTION
- SOUND
- Sets
- 1...Rb1
- 2.Qd4#
- 1...Rxb3
- 2.Qd4#
- 1...Bf1
- 2.Re4#
- 1...Be2
- 2.Rxe2#
- 2.Re4#
- 1...Be4
- 2.Re2#
- 2.Rxe4#
- 1...Bf5
- 2.Re2#
- 1...Bg6
- 2.Re2#
- 1...Bh7
- 2.Re2#
- 1...Sg1
- 2.Bg5#
- 1...Sf2
- 2.Bg5#
- 1...Sf4
- 2.Rg3#
- 1...Sg5
- 2.Bxg5#
- 1...Sd2
- 2.Bb6#
- 1...Sa3
- 2.Bb6#
- 1...Sa5
- 2.Bb6#
- 1...Se5
- 2.Bb6#
- 1...Sb6
- 2.Bxb6#
- 1...Sxd6
- 2.Bb6#
- 1...Rb1
- Tries
- 1.Kb8?
- 1...Sxd6
- 2.Bb6#
- 1...Rb1
- 2.Qd4#
- 1...Bf1
- 2.Re4#
- 1...Be2
- 2.Rxe2#
- 2.Re4#
- 1...Be4
- 2.Re2#
- 2.Rxe4#
- 1...Bf5
- 2.Re2#
- 1...Bg6
- 2.Re2#
- 1...Bh7
- 2.Re2#
- 1...Sg1
- 2.Bg5#
- 1...Sf2
- 2.Bg5#
- 1...Sf4
- 2.Rg3#
- 1...Sg5
- 2.Bxg5#
- 1...Sd2
- 2.Bb6#
- 1...Sa3
- 2.Bb6#
- 1...Sa5
- 2.Bb6#
- 1...Se5
- 2.Bb6#
- 1...Sb6
- 2.Bxb6#
- 1...Rxb3+!
- 1...Sxd6
- 1.Bg5+?
- 1...Sf4
- 2.Bxf4#
- 2.Rg3#
- 1...Sxg5!
- 1...Sf4
- 1.Rd2?
- 1...Sxd2
- 2.Bb6#
- 1...Sxd6
- 2.Bb6#
- 1...Be2
- 2.Rxe2#
- 1...Bf1
- 2.Re4#
- 1...Rb1
- 2.Qd4#
- 1...Be4
- 2.Re2#
- 2.Rxe4#
- 1...Bf5
- 2.Re2#
- 1...Bg6
- 2.Re2#
- 1...Bh7
- 2.Re2#
- 1...Sg1
- 2.Bg5#
- 1...Sf2
- 2.Bg5#
- 1...Sf4
- 2.Rg3#
- 1...Sg5
- 2.Bxg5#
- 1...Sa3
- 2.Bb6#
- 1...Sa5
- 2.Bb6#
- 1...Se5
- 2.Bb6#
- 1...Sb6
- 2.Bxb6#
- 1...Rxb3!
- 1...Sxd2
- 1.Rxc4?
- threat
- 2.Bb6#
- 1...Rxb3
- 2.Qd4#
- 1...Be4
- 2.Rxe4#
- 1...Bxc4!
- threat
- 1.Rh4?
- 1...Rxb3
- 2.Qd4#
- 1...Sxd6
- 2.Bb6#
- 1...Bf1
- 2.Re4#
- 1...Rb1
- 2.Qd4#
- 1...Be2
- 2.Rxe2#
- 2.Re4#
- 1...Be4
- 2.Re2#
- 2.Rxe4#
- 1...Bf5
- 2.Re2#
- 1...Bg6
- 2.Re2#
- 1...Bh7
- 2.Re2#
- 1...Sg1
- 2.Bg5#
- 1...Sf2
- 2.Bg5#
- 1...Sg5
- 2.Bxg5#
- 1...Sd2
- 2.Bb6#
- 1...Sa3
- 2.Bb6#
- 1...Sa5
- 2.Bb6#
- 1...Se5
- 2.Bb6#
- 1...Sb6
- 2.Bxb6#
- 1...Sf4!
- 1...Rxb3
- 1.Kb8?
- Keys
- 1.Ka8!
- 1...Be4+
- 2.Rxe4#
- 1...Sb6+
- 2.Bxb6#
- 1...Rxb3
- 2.Qd4#
- 1...Sxd6
- 2.Bb6#
- 1...Rb1
- 2.Qd4#
- 1...Bf1
- 2.Re4#
- 1...Be2
- 2.Rxe2#
- 2.Re4#
- 1...Bf5
- 2.Re2#
- 1...Bg6
- 2.Re2#
- 1...Bh7
- 2.Re2#
- 1...Sg1
- 2.Bg5#
- 1...Sf2
- 2.Bg5#
- 1...Sf4
- 2.Rg3#
- 1...Sg5
- 2.Bxg5#
- 1...Sd2
- 2.Bb6#
- 1...Sa3
- 2.Bb6#
- 1...Sa5
- 2.Bb6#
- 1...Se5
- 2.Bb6#
- 1...Be4+
- 1.Ka8!
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- R(b);OGATE::QAB1(A)
- R(b);OGATE,XS(E)::QAB1(A)
- B(d);N_GUARD::R1(F)
- B(d);N_GUARD::R1(D)
- S(f);N_GUARD::B(I)
- S(f);SBLOCK::R(F)
- S(f);N_GUARD::B(I),XS(f)
- S(g);N_GUARD::B(I)
- S(g);N_GUARD::B(I),XS(g)
- S(g);N_GUARD,XP(G)::B(I)
- Tries
- Try
- K(H);P_SPINS(E),S_FLIGHT
- Vars
- S(g);N_GUARD,XP(G)::B(I)
- R(b);OGATE::QAB1(A)
- B(d);N_GUARD::R1(F)
- B(d);N_GUARD::R1(D)
- S(f);N_GUARD::B(I)
- S(f);SBLOCK::R(F)
- S(f);N_GUARD::B(I),XS(f)
- S(g);N_GUARD::B(I)
- S(g);N_GUARD,N_PINS(E)::B(I),XS(g)
- Refutation
- R(b);CHECK,XS(E)
- Try
- B(I);CHECK
- Refutation
- S(f);XB(I)
- Try
- R(D);
- Vars
- S(g);N_GUARD,XR(D)::B(I)
- S(g);N_GUARD,XP(G)::B(I)
- B(d);N_GUARD::R1(D),XB(d)
- B(d);N_GUARD::R1(F)
- R(b);OGATE::QAB1(A)
- B(d);N_GUARD::R1(D)
- S(f);N_GUARD::B(I)
- S(f);SBLOCK::R(F)
- S(f);N_GUARD::B(I),XS(f)
- S(g);N_GUARD::B(I)
- S(g);N_GUARD::B(I),XS(g)
- Refutation
- R(b);XS(E)
- Try
- R(F);XS(g)
- Threat
- B(I)
- Vars
- R(b);OGATE,XS(E)::QAB1(A)
- B(d);N_GUARD::R1(F),XB(d)
- Refutation
- B(d);XR(F)
- Try
- R(F);
- Vars
- R(b);OGATE,XS(E)::QAB1(A)
- S(g);N_GUARD,XP(G)::B(I)
- B(d);N_GUARD::R1(F)
- R(b);OGATE::QAB1(A)
- B(d);N_GUARD::R1(D)
- S(f);N_GUARD::B(I)
- S(f);N_GUARD::B(I),XS(f)
- S(g);N_GUARD::B(I)
- S(g);N_GUARD::B(I),XS(g)
- Refutation
- S(f);
- Try
- Actual
- K(H);P-FLIGHT
- Vars
- B(d);CHECK,N_GUARD::R1(F),XB(d)
- S(g);CHECK,N_GUARD::B(I),XS(g)
- R(b);OGATE,XS(E)::QAB1(A)
- S(g);N_GUARD,XP(G)::B(I)
- R(b);OGATE::QAB1(A)
- B(d);N_GUARD::R1(F)
- B(d);N_GUARD::R1(D)
- S(f);N_GUARD::B(I)
- S(f);SBLOCK::R(F)
- S(f);N_GUARD::B(I),XS(f)
- S(g);N_GUARD::B(I)
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