MESON Chess Problem Database
Problem Display
PID: 150612 (1bK5/kP2Q1R1/1p6/2nR4/1N6/1p4r1/1P5B/8 w - - 0 1)
Caine, Walter Edmund
The Referee, 1925
(First published on Sun Dec 20 1925)
#2
8 + 6
| 15239 | Valois Notebooks | 2014 |
SOLUTION
- SOUND
- Sets
- 1...Rg1
- 2.Bxb8#
- 1...Rg2
- 2.Bxb8#
- 1...Rc3
- 2.Bxb8#
- 1...Rd3
- 2.Bxb8#
- 1...Re3
- 2.Bxb8#
- 1...Rf3
- 2.Bxb8#
- 1...Rh3
- 2.Bxb8#
- 1...Rg4
- 2.Bxb8#
- 1...Rg5
- 2.Bxb8#
- 1...Rg6
- 2.Bxb8#
- 1...Rxg7
- 2.Bxb8#
- 1...Bf4
- 2.b8Q#
- 1...Be5
- 2.b8Q#
- 1...Bd6
- 2.b8Q#
- 1...Bc7
- 2.b8Q#
- 1...Sa6
- 2.Sc6#
- 1...Sxb7
- 2.Qxb7#
- 1...b5
- 2.Qxc5#
- 1...Rg1
- Tries
- 1.Bxg3?
- threat
- 2.Bxb8#
- 1...Bxg3
- 2.b8Q#
- 1...Sxb7
- 2.Qxb7#
- 1...b5
- 2.Qxc5#
- 1...Bf4
- 2.b8Q#
- 1...Be5
- 2.b8Q#
- 1...Bd6
- 2.b8Q#
- 1...Bc7
- 2.b8Q#
- 1...Sa6
- 2.Sc6#
- 1...Sd7!
- threat
- 1.Rd1?
- 1...Rxg7
- 2.Bxb8#
- 1...Sxb7
- 2.Ra1#
- 2.Qxb7#
- 1...b5
- 2.Qxc5#
- 1...Rg1
- 2.Bxb8#
- 1...Rg2
- 2.Bxb8#
- 1...Rc3
- 2.Bxb8#
- 1...Rd3
- 2.Bxb8#
- 1...Re3
- 2.Bxb8#
- 1...Rf3
- 2.Bxb8#
- 1...Rh3
- 2.Bxb8#
- 1...Rg4
- 2.Bxb8#
- 1...Rg5
- 2.Bxb8#
- 1...Rg6
- 2.Bxb8#
- 1...Bf4
- 2.b8Q#
- 1...Be5
- 2.b8Q#
- 1...Bd6
- 2.b8Q#
- 1...Bc7
- 2.b8Q#
- 1...Sd3
- 2.Ra1#
- 1...Se4
- 2.Ra1#
- 1...Sa6
- 2.Sc6#
- 1...Se6
- 2.Ra1#
- 1...Sd7
- 2.Ra1#
- 1...Sa4!
- 1...Rxg7
- 1.Rxc5?
- 1...Rxg7
- 2.Bxb8#
- 1...bxc5
- 2.Qxc5#
- 1...Rg1
- 2.Bxb8#
- 1...Rg2
- 2.Bxb8#
- 1...Rc3
- 2.Bxb8#
- 1...Rd3
- 2.Bxb8#
- 1...Re3
- 2.Bxb8#
- 1...Rf3
- 2.Bxb8#
- 1...Rh3
- 2.Bxb8#
- 1...Rg4
- 2.Bxb8#
- 1...Rg5
- 2.Bxb8#
- 1...Rg6
- 2.Bxb8#
- 1...Bf4
- 2.b8Q#
- 1...Be5
- 2.b8Q#
- 1...Bd6
- 2.b8Q#
- 1...Bc7
- 2.b8Q#
- 1...b5!
- 1...Rxg7
- 1.Qxc5?
- 1...Rxg7
- 2.Bxb8#
- 1...Rg1
- 2.Bxb8#
- 1...Rg2
- 2.Bxb8#
- 1...Rc3
- 2.Bxb8#
- 1...Rd3
- 2.Bxb8#
- 1...Re3
- 2.Bxb8#
- 1...Rf3
- 2.Bxb8#
- 1...Rh3
- 2.Bxb8#
- 1...Rg4
- 2.Bxb8#
- 1...Rg5
- 2.Bxb8#
- 1...Rg6
- 2.Bxb8#
- 1...Bf4
- 2.b8Q#
- 1...Be5
- 2.b8Q#
- 1...Bd6
- 2.b8Q#
- 1...Bc7
- 2.b8Q#
- 1...bxc5!
- 1...Rxg7
- 1.Qd6?
- threat
- 2.Qxb8#
- 1...Bxd6
- 2.b8Q#
- 1...Bc7
- 2.b8Q#
- 1...Sa6
- 2.Sc6#
- 1...b5
- 2.Qxc5#
- 1...Sd7!
- threat
- 1.Qc7?
- threat
- 2.Qxb8#
- 1...Bxc7
- 2.b8Q#
- 1...Sa6
- 2.Sc6#
- 1...b5
- 2.Qxc5#
- 1...Sd7!
- threat
- 1.Bxg3?
- Keys
- 1.Qe3!
- 1...Rxe3
- 2.Bxb8#
- 1...Rxg7
- 2.Bxb8#
- 1...Sxb7
- 2.Ra5#
- 1...b5
- 2.Qxc5#
- 1...Sa4
- 2.Ra5#
- 1...Rg1
- 2.Bxb8#
- 1...Rg2
- 2.Bxb8#
- 1...Rf3
- 2.Bxb8#
- 1...Rh3
- 2.Bxb8#
- 1...Rg4
- 2.Bxb8#
- 1...Rg5
- 2.Bxb8#
- 1...Rg6
- 2.Bxb8#
- 1...Bf4
- 2.b8Q#
- 1...Be5
- 2.b8Q#
- 1...Bd6
- 2.b8Q#
- 1...Bc7
- 2.b8Q#
- 1...Sd3
- 2.Ra5#
- 1...Se4
- 2.Ra5#
- 1...Sa6
- 2.Sc6#
- 1...Se6
- 2.Ra5#
- 1...Sd7
- 2.Ra5#
- 1...Rxe3
- 1.Qe3!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 1
- ADDED MATES = 5
- REMOVED MATES = 2
- Sets
- R(b);OGATE::B(B),XB(f)
- R(b);OGATE,XR(G)::B(B),XB(f)
- B(f);OGATE::P=Q
- S(c);SBLOCK::S(C)
- S(c);OGATE,P_SPINS(c),XP(E)::QAR1(F),XS(c)
- P(d);OGATEB::QAB(F),XS(c)
- Tries
- Try
- B(B);XR(b)
- Threat
- B(B),XB(f)
- Vars
- B(f);OGATE,XB(B)::P=Q
- S(c);OGATE,P_SPINS(c),XP(E)::QAR1(F),XS(c)
- P(d);OGATEB::QAB(F),XS(c)
- B(f);OGATE::P=Q
- S(c);SBLOCK::S(C)
- Refutation
- S(c);
- Try
- R(D);
- Vars
- R(b);OGATE,XR(G)::B(B),XB(f)
- P(d);OGATEB::QAB(F),XS(c)
- R(b);OGATE::B(B),XB(f)
- B(f);OGATE::P=Q
- S(c);N_GUARD::R(D)
- S(c);SBLOCK::S(C)
- Refutation
- S(c);
- Try
- R(D);XS(c)
- Vars
- R(b);OGATE,XR(G)::B(B),XB(f)
- P(d);OGATE,XR(D)::QAB(F),XP(d)
- R(b);OGATE::B(B),XB(f)
- R(b);OGATE,P_PINR(D)::B(B),XB(f)
- B(f);OGATE::P=Q
- Refutation
- P(d);
- Try
- Q(F);P_PINP(d),XS(c)
- Vars
- R(b);OGATE,XR(G)::B(B),XB(f)
- R(b);OGATE::B(B),XB(f)
- R(b);OGATE,P_PINQ(F)::B(B),XB(f)
- B(f);OGATE::P=Q
- Refutation
- P(d);N_SPINP(d),XQ(F)
- Try
- Q(F);
- Threat
- QAB1(F),XB(f)
- Vars
- B(f);OGATE,XQ(F)::P=Q
- B(f);OGATE::P=Q
- S(c);SBLOCK::S(C)
- P(d);OGATEB::QAB(F),XS(c)
- Refutation
- S(c);
- Try
- Q(F);
- Threat
- QAB1(F),XB(f)
- Vars
- B(f);OGATE,XQ(F)::P=Q
- S(c);SBLOCK::S(C)
- P(d);OGATEB::QAB(F),XS(c)
- Refutation
- S(c);
- Try
- Actual
- Q(F);
- Vars
- R(b);OGATE,XQ(F)::B(B),XB(f)
- R(b);OGATE,XR(G)::B(B),XB(f)
- S(c);OGATE,P_SPINP(d),P_SPINS(c),XP(E)::R(D)
- P(d);OGATEB,P_SPINS(c)::QAB(F),XS(c)
- S(c);OGATE,P_SPINP(d)::R(D)
- R(b);OGATE::B(B),XB(f)
- B(f);OGATE::P=Q
- S(c);P_SPINP(d),SBLOCK::S(C)
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