MESON Chess Problem Database
Problem Display
PID: 150615 (5N2/4B3/3p1P1p/P2kp2B/Q2nR2N/8/4PK2/8 w - - 0 1)
Evans, TC
The Referee, 1926
(First published on Sun Jan 24 1926)
#2
10 + 5
| 15239 | Valois Notebooks | 2014 |
SOLUTION
- SOUND
- Sets
- 1...Kc5
- 2.Rxe5#
- 1...Sc2
- 2.Qc4#
- 1...Sxe2
- 2.Qc4#
- 1...Sb3
- 2.Qc4#
- 1...Sf3
- 2.Qc4#
- 1...Sb5
- 2.Qc4#
- 1...Sf5
- 2.Qc4#
- 1...Sc6
- 2.Qc4#
- 1...Se6
- 2.Qc4#
- 1...Kc5
- Tries
- 1.Kf1?
- 1...Kc5
- 2.Rxe5#
- 1...Sxe2
- 2.Qc4#
- 1...Sc2
- 2.Qc4#
- 1...Sb3
- 2.Qc4#
- 1...Sf3
- 2.Qc4#
- 1...Sb5
- 2.Qc4#
- 1...Sf5
- 2.Qc4#
- 1...Sc6
- 2.Qc4#
- 1...Se6
- 2.Qc4#
- 1...Kxe4!
- 1...Kc5
- 1.Kg2?
- 1...Kc5
- 2.Rxe5#
- 1...Sxe2
- 2.Qc4#
- 1...Sc2
- 2.Qc4#
- 1...Sb3
- 2.Qc4#
- 1...Sf3
- 2.Qc4#
- 1...Sb5
- 2.Qc4#
- 1...Sf5
- 2.Qc4#
- 1...Sc6
- 2.Qc4#
- 1...Se6
- 2.Qc4#
- 1...Kxe4!
- 1...Kc5
- 1.Sg2?
- 1...Kc5
- 2.Rxe5#
- 1...Sxe2
- 2.Qc4#
- 1...Sc2
- 2.Qc4#
- 1...Sb3
- 2.Qc4#
- 1...Sf3
- 2.Qc4#
- 1...Sb5
- 2.Qc4#
- 1...Sf5
- 2.Qc4#
- 1...Sc6
- 2.Qc4#
- 1...Se6
- 2.Qc4#
- 1...Kxe4!
- 1...Kc5
- 1.Sf3?
- 1...Kc5
- 2.Rxe5#
- 1...Sxe2
- 2.Qc4#
- 1...Sxf3
- 2.Qc4#
- 1...Sc2
- 2.Qc4#
- 1...Sb3
- 2.Qc4#
- 1...Sb5
- 2.Qc4#
- 1...Sf5
- 2.Qc4#
- 1...Sc6
- 2.Qc4#
- 1...Se6
- 2.Qc4#
- 1...Kxe4!
- 1...Kc5
- 1.Sf5?
- 1...Kc5
- 2.Rxe5#
- 1...Sxe2
- 2.Qc4#
- 1...Sxf5
- 2.Qc4#
- 1...Sc2
- 2.Qc4#
- 1...Sb3
- 2.Qc4#
- 1...Sf3
- 2.Qc4#
- 1...Sb5
- 2.Qc4#
- 1...Sc6
- 2.Qc4#
- 1...Se6
- 2.Qc4#
- 1...Kxe4!
- 1...Kc5
- 1.Shg6?
- 1...Kc5
- 2.Rxe5#
- 1...Sxe2
- 2.Qc4#
- 1...Sc2
- 2.Qc4#
- 1...Sb3
- 2.Qc4#
- 1...Sf3
- 2.Qc4#
- 1...Sb5
- 2.Qc4#
- 1...Sf5
- 2.Qc4#
- 1...Sc6
- 2.Qc4#
- 1...Se6
- 2.Qc4#
- 1...Kxe4!
- 1...Kc5
- 1.Se6?
- 1...Kxe4
- 2.Bf3#
- 1...Sxe2
- 2.Qc4#
- 1...Sxe6
- 2.Qc4#
- 1...Sc2
- 2.Qc4#
- 1...Sb3
- 2.Qc4#
- 1...Sf3
- 2.Qc4#
- 1...Sb5
- 2.Qc4#
- 1...Sf5
- 2.Qc4#
- 1...Sc6
- 2.Qc4#
- 1...Kxe6!
- 1...Kxe4
- 1.Bf3?
- 1...Kc5
- 2.Rxe5#
- 1...Sxe2
- 2.Qb5#
- 2.Qc4#
- 1...Sxf3
- 2.Qc4#
- 1...Sb5
- 2.Qxb5#
- 2.Qc4#
- 1...Sc2
- 2.Qb5#
- 2.Qc4#
- 1...Sb3
- 2.Qc4#
- 1...Sf5
- 2.Qb5#
- 2.Qc4#
- 1...Sc6
- 2.Qb5#
- 2.Qc4#
- 1...Se6
- 2.Qc4#
- 1...h5!
- 1...Kc5
- 1.Bg6?
- 1...Kc5
- 2.Rxe5#
- 1...Sxe2
- 2.Qb5#
- 2.Qc4#
- 1...Sb5
- 2.Qxb5#
- 2.Qc4#
- 1...Sc2
- 2.Qb5#
- 2.Qc4#
- 1...Sb3
- 2.Qc4#
- 1...Sf3
- 2.Qb5#
- 2.Qc4#
- 1...Sf5
- 2.Qc4#
- 1...Sc6
- 2.Qb5#
- 2.Qc4#
- 1...Se6
- 2.Qc4#
- 1...h5!
- 1...Kc5
- 1.Bf7+?
- 1...Kc5
- 2.Sd7#
- 2.Rxe5#
- 2.Qc4#
- 1...Se6
- 2.Qc4#
- 1...Kxe4!
- 1...Kc5
- 1.Rxd4+?
- 1...Kc5
- 2.Se6#
- 2.Sd7#
- 2.Bxd6#
- 2.Qc4#
- 1...exd4!
- 1...Kc5
- 1.Qc2?
- 1...Sxe2
- 2.Bf7#
- 2.Qc4#
- 1...Sb3
- 2.Bf7#
- 2.Qc4#
- 1...Sf3
- 2.Bf7#
- 2.Qc4#
- 1...Sb5
- 2.Bf7#
- 2.Qc4#
- 1...Sf5
- 2.Bf7#
- 2.Qc4#
- 1...Sc6
- 2.Bf7#
- 2.Qc4#
- 1...Se6
- 2.Qc4#
- 1...Sxc2!
- 1...Sxe2
- 1.e3?
- 1...Kc5
- 2.Rxe5#
- 1...Sc2
- 2.Qc4#
- 1...Se2
- 2.Qc4#
- 1...Sb3
- 2.Qc4#
- 1...Sf3
- 2.Qc4#
- 1...Sb5
- 2.Qc4#
- 1...Sf5
- 2.Qc4#
- 1...Sc6
- 2.Qc4#
- 1...Se6
- 2.Qc4#
- 1...Kxe4!
- 1...Kc5
- 1.f7?
- 1...Kc5
- 2.Rxe5#
- 1...Sxe2
- 2.Qc4#
- 1...Sc2
- 2.Qc4#
- 1...Sb3
- 2.Qc4#
- 1...Sf3
- 2.Qc4#
- 1...Sb5
- 2.Qc4#
- 1...Sf5
- 2.Qc4#
- 1...Sc6
- 2.Qc4#
- 1...Se6
- 2.Qc4#
- 1...Kxe4!
- 1...Kc5
- 1.Kf1?
- Keys
- 1.Sfg6!
- 1...Kxe4
- 2.Bf3#
- 1...Kc5
- 2.Rxe5#
- 1...Ke6
- 2.Sf4#
- 1...Sxe2
- 2.Qc4#
- 1...Sc2
- 2.Qc4#
- 1...Sb3
- 2.Qc4#
- 1...Sf3
- 2.Qc4#
- 1...Sb5
- 2.Qc4#
- 1...Sf5
- 2.Qc4#
- 1...Sc6
- 2.Qc4#
- 1...Se6
- 2.Qc4#
- 1...Kxe4
- 1.Sfg6!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- K(b);P-FLIGHT,P_SPINP(d)::R(D),XP(c)
- S(a);::QAB1(C)
- S(a);XP(A)::QAB1(C)
- Tries
- Try
- K(B);P-FLIGHT
- Vars
- K(b);P-FLIGHT,P_SPINP(d)::R(D),XP(c)
- S(a);XP(A)::QAB1(C)
- S(a);::QAB1(C)
- Refutation
- K(b);P_SPINS(a),S_FLIGHT,XR(D)
- Try
- K(B);P-FLIGHT
- Vars
- K(b);P-FLIGHT,P_SPINP(d)::R(D),XP(c)
- S(a);XP(A)::QAB1(C)
- S(a);::QAB1(C)
- Refutation
- K(b);P_SPINS(a),S_FLIGHT,XR(D)
- Try
- S(E);
- Vars
- K(b);P-FLIGHT,P_SPINP(d)::R(D),XP(c)
- S(a);XP(A)::QAB1(C)
- S(a);::QAB1(C)
- Refutation
- K(b);P_SPINS(a),S_FLIGHT,XR(D)
- Try
- S(E);
- Vars
- K(b);P-FLIGHT,P_SPINP(d)::R(D),XP(c)
- S(a);XP(A)::QAB1(C)
- S(a);XS(E)::QAB1(C)
- S(a);::QAB1(C)
- Refutation
- K(b);P_SPINS(a),S_FLIGHT,XR(D)
- Try
- S(E);
- Vars
- K(b);P-FLIGHT,P_SPINP(d)::R(D),XP(c)
- S(a);XP(A)::QAB1(C)
- S(a);XS(E)::QAB1(C)
- S(a);::QAB1(C)
- Refutation
- K(b);P_SPINS(a),S_FLIGHT,XR(D)
- Try
- S(E);
- Vars
- K(b);P-FLIGHT,P_SPINP(d)::R(D),XP(c)
- S(a);XP(A)::QAB1(C)
- S(a);::QAB1(C)
- Refutation
- K(b);P_SPINS(a),S_FLIGHT,XR(D)
- Try
- S(J);
- Vars
- K(b);OGATEB,P_SPINS(a),S_FLIGHT,XR(D)::B(G)
- S(a);XP(A)::QAB1(C)
- S(a);SBLOCK,XS(J)::QAB1(C)
- S(a);::QAB1(C)
- Refutation
- K(b);P_SPINP(c),S_FLIGHT,XS(J)
- Try
- B(G);
- Vars
- K(b);P-FLIGHT,P_SPINP(d)::R(D),XP(c)
- S(a);XB(G)::QAB1(C)
- S(a);::QAB1(C)
- Refutation
- P(e);
- Try
- B(G);
- Vars
- K(b);P-FLIGHT,P_SPINP(d)::R(D),XP(c)
- S(a);::QAB1(C)
- Refutation
- P(e);
- Try
- B(G);CHECK
- Vars
- S(a);P_SPINS(a)::QAB1(C)
- Refutation
- K(b);P_SPINS(a),S_FLIGHT,XR(D)
- Try
- R(D);CHECK,XS(a)
- Refutation
- P(c);XR(D)
- Try
- Q(C);
- Vars
- S(a);::QAB1(C)
- Refutation
- S(a);XQ(C)
- Try
- P(A);
- Vars
- K(b);P-FLIGHT,P_SPINP(d)::R(D),XP(c)
- S(a);::QAB1(C)
- Refutation
- K(b);P_SPINS(a),S_FLIGHT,XR(D)
- Try
- P(H);
- Vars
- K(b);P-FLIGHT,P_SPINP(d)::R(D),XP(c)
- S(a);XP(A)::QAB1(C)
- S(a);::QAB1(C)
- Refutation
- K(b);P_SPINS(a),S_FLIGHT,XR(D)
- Try
- Actual
- S(J);
- Vars
- K(b);OGATEB,P_SPINS(a),S_FLIGHT,XR(D)::B(G)
- K(b);P-FLIGHT,P_SPINP(d)::R(D),XP(c)
- K(b);P_SPINP(c),S_FLIGHT::S(J)
- S(a);XP(A)::QAB1(C)
- S(a);::QAB1(C)
- S(a);SBLOCK::QAB1(C)
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