MESON Chess Problem Database
Problem Display
PID: 267602 (1R6/3p4/KpNR4/b1p5/p1k1n3/6n1/2P3Q1/1N5B w - - 0 1)
Cox, C
Sunday Referee, 1939
(First published on Sun Apr 16 1939)
#2
8 + 8
| 15239 | Valois Notebooks | 2022 |
SOLUTION
- SOUND
- Sets
- 1...Bc3
- 2.Sa3#
- 1...Bb4
- 2.Se5#
- 1...Sf1
- 2.Qxf1#
- 2.Qxe4#
- 2.Qe2#
- 2.Qg8#
- 1...Sxh1
- 2.Qf1#
- 2.Qxe4#
- 2.Qe2#
- 2.Qg8#
- 1...Se2
- 2.Qxe2#
- 2.Qg8#
- 1...Sf5
- 2.Qf1#
- 2.Qe2#
- 2.Qg8#
- 1...Sh5
- 2.Qf1#
- 2.Qxe4#
- 2.Qe2#
- 2.Qg8#
- 1...Sd2
- 2.Qd5#
- 1...Sf2
- 2.Qd5#
- 1...Sc3
- 2.Sd2#
- 2.Sa3#
- 1...Sg5
- 2.Qd5#
- 1...Sxd6
- 2.Qd5#
- 1...Bc3
- Tries
- 1.Sxa5+?
- 1...Kb4
- 2.Rdxb6#
- 2.Rbxb6#
- 1...bxa5!
- 1...Kb4
- 1.Rd3?
- threat
- 2.Sa3#
- 1...Bb4
- 2.Se5#
- 1...a3
- 2.Sxa3#
- 1...dxc6!
- threat
- 1.Qf1+?
- 1...Se2
- 2.Qxe2#
- 2.Qf7#
- 1...Sxf1!
- 1...Se2
- 1.Qf3?
- threat
- 2.Sa3#
- 2.Qd3#
- 2.Qf7#
- 1...Sxd6
- 2.Sa3#
- 2.Qd5#
- 2.Qd3#
- 1...Bb4
- 2.Se5#
- 2.Qd3#
- 2.Qf7#
- 1...Sf5
- 2.Sa3#
- 2.Qe2#
- 2.Qf1#
- 2.Qd3#
- 1...Sf2
- 2.Sa3#
- 2.Qd5#
- 2.Qf7#
- 1...Sc3
- 2.Sd2#
- 2.Sa3#
- 2.Qd3#
- 1...Sg5
- 2.Sa3#
- 2.Qd5#
- 2.Qd3#
- 1...Sf6
- 2.Sa3#
- 2.Qd3#
- 1...a3
- 2.Sxa3#
- 2.Qb3#
- 2.Qd3#
- 2.Qf7#
- 1...dxc6!
- threat
- 1.Qd2?
- threat
- 2.Sa3#
- 2.Se5#
- 2.Qd3#
- 2.Qd5#
- 1...Sxd2
- 2.Bd5#
- 1...dxc6
- 2.Sa3#
- 1...Bc3
- 2.Sa3#
- 2.Qd3#
- 2.Qd5#
- 1...Bb4
- 2.Se5#
- 2.Qd3#
- 2.Qd5#
- 1...Sf2
- 2.Sa3#
- 2.Se5#
- 2.Bd5#
- 2.Qd5#
- 1...Sc3
- 2.Sa3#
- 2.Qd3#
- 1...Sf6
- 2.Sa3#
- 2.Se5#
- 2.Qd3#
- 1...a3
- 2.Sxa3#
- 2.Se5#
- 2.Qd3#
- 2.Qd5#
- 1...Bxd2!
- threat
- 1.Qxg3?
- threat
- 2.Sa3#
- 2.Qd3#
- 2.Qg8#
- 1...Sxg3
- 2.Bd5#
- 1...Sxd6
- 2.Sa3#
- 2.Qd3#
- 1...Bb4
- 2.Se5#
- 2.Qd3#
- 2.Qg8#
- 1...Sf2
- 2.Sa3#
- 2.Bd5#
- 2.Qg8#
- 1...Sc3
- 2.Sd2#
- 2.Sa3#
- 2.Qd3#
- 1...Sg5
- 2.Sa3#
- 2.Bd5#
- 2.Qd3#
- 1...Sf6
- 2.Sa3#
- 2.Qd3#
- 1...a3
- 2.Sxa3#
- 2.Qb3#
- 2.Qd3#
- 2.Qg8#
- 1...dxc6!
- threat
- 1.Sxa5+?
- Keys
- 1.c3!
- threat
- 2.Qa2#
- 1...Kb3
- 2.Sxa5#
- 1...Sxc3
- 2.Sd2#
- 1...Sxd6
- 2.Qd5#
- 1...Se2
- 2.Qg8#
- 1...Sd2
- 2.Qd5#
- 1...Sf2
- 2.Qd5#
- threat
- 1.c3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 3
- Sets
- B(e);SBLOCK::S(A)
- B(e);SBLOCK::S(F)
- S(d);OGATE::QAB1(D)
- S(d);OGATE,XR(G)::QAB1(D)
- Tries
- Try
- S(F);CHECK,XB(e)
- Refutation
- P(g);XS(F)
- Try
- R(G);
- Threat
- S(A)
- Vars
- B(e);SBLOCK::S(F)
- P(b);::S(A),XP(b)
- Refutation
- P(h);XS(F)
- Try
- Q(D);CHECK
- Refutation
- S(a);XQ(D)
- Try
- Q(D);
- Threat
- DUALS(3)
- Refutation
- P(h);XS(F)
- Try
- Q(D);
- Threat
- DUALS(4)
- Vars
- S(d);OGATE,XQ(D)::B(B)
- P(h);XS(F)::S(A)
- Refutation
- B(e);XQ(D)
- Try
- Q(D);XS(a)
- Threat
- DUALS(3)
- Vars
- S(d);OGATE,XQ(D)::B(B)
- Refutation
- P(h);XS(F)
- Try
- Actual
- P(C);
- Threat
- QAB(D)
- Vars
- K(c);P_SPINP(g),S_FLIGHT::S(F),XB(e)
- S(d);N_GUARD,SBLOCK,XP(C)::S(A)
- S(d);OGATE,XR(G)::QAB1(D)
- S(a);OGATE::QAB(D)
- S(d);OGATE::QAB1(D)
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