MESON Chess Problem Database
Problem Display
PID: 272089 (B4R2/3p1q2/3N4/3N4/3B2p1/1K4pp/R1P2Pkr/4Q3 w - - 0 1)
Caine, Walter Edmund
Eddy, Edwin John
Sunday Referee, 1934
(First published on Sun May 6 1934)
#2
10 + 7
| 15239 | Valois Notebooks | 2023 |
SOLUTION
- SOUND
- Sets
- 1...Kf3
- 2.Qe4#
- 1...Qxd5+
- 2.Bxd5#
- 1...Qh5
- 2.Se3#
- 2.Sf4#
- 1...Qg6
- 2.Se3#
- 2.Sf4#
- 1...Qe8
- 2.Se3#
- 2.Sf4#
- 1...Qxf2
- 2.Se3#
- 2.Sf4#
- 1...Qf3+
- 2.Se3#
- 1...Qf4
- 2.Se3#
- 2.Sxf4#
- 1...Qf5
- 2.Se3#
- 2.Sf4#
- 1...Qf6
- 2.Se3#
- 2.Sf4#
- 2.Sxf6#
- 1...Qe7
- 2.Se3#
- 2.Sf4#
- 2.Sxe7#
- 1...Qg7
- 2.Sc3#
- 2.Se3#
- 2.Sb4#
- 2.Sf4#
- 2.Sb6#
- 2.Sf6#
- 2.Sc7#
- 2.Se7#
- 1...Qh7
- 2.Se3#
- 2.Sf4#
- 1...Qxf8
- 2.Se3#
- 2.Sf4#
- 1...Kf3
- Tries
- 1.Ra1?
- 1...Qxd5+
- 2.Bxd5#
- 1...Qf3+
- 2.Se3#
- 1...Kf3
- 2.Qe4#
- 1...Qxf2
- 2.Se3#
- 2.Sf4#
- 1...Qxf8
- 2.Se3#
- 2.Sf4#
- 1...Rh1
- 2.Qxh1#
- 1...Qh5
- 2.Se3#
- 2.Sf4#
- 2.Qf1#
- 2.Qg1#
- 2.Qe4#
- 1...Qe6
- 2.Qf1#
- 2.Qg1#
- 1...Qg6
- 2.Se3#
- 2.Sf4#
- 2.Qf1#
- 2.Qg1#
- 1...Qe8
- 2.Se3#
- 2.Sf4#
- 2.Qf1#
- 2.Qg1#
- 1...Qg8
- 2.Qf1#
- 2.Qg1#
- 2.Qe4#
- 1...Qf4
- 2.Se3#
- 2.Sxf4#
- 1...Qf5
- 2.Se3#
- 2.Sf4#
- 1...Qf6
- 2.Se3#
- 2.Sf4#
- 2.Sxf6#
- 1...Qe7
- 2.Se3#
- 2.Sf4#
- 2.Sxe7#
- 2.Qf1#
- 2.Qg1#
- 1...Qg7
- 2.Sc3#
- 2.Se3#
- 2.Sb4#
- 2.Sf4#
- 2.Sb6#
- 2.Sf6#
- 2.Sc7#
- 2.Se7#
- 2.Qf1#
- 2.Qg1#
- 2.Qe4#
- 1...Qh7
- 2.Se3#
- 2.Sf4#
- 2.Qf1#
- 2.Qg1#
- 1...gxf2!
- 1...Qxd5+
- 1.Qf1+?
- 1...Kf3
- 2.Rxf7#
- 1...Kxf1!
- 1...Kf3
- 1.Qe4+?
- 1...Kf1
- 2.Ra1#
- 1...Kg1
- 2.Ra1#
- 1...Qf3+!
- 1...Kf1
- 1.Ra1?
- Keys
- 1.f3!
- 1...Qxd5+
- 2.c4#
- 1...Qxf3+
- 2.Se3#
- 1...Kxf3
- 2.Qe4#
- 1...Qxf8
- 2.Se3#
- 1...gxf3
- 2.Qg1#
- 1...Rh1
- 2.Qe2#
- 1...Qh5
- 2.Se3#
- 2.Sf4#
- 2.Qg1#
- 2.c3#
- 2.c4#
- 1...Qe6
- 2.Qg1#
- 1...Qg6
- 2.Se3#
- 2.Sf4#
- 2.Qg1#
- 1...Qe8
- 2.Sf4#
- 2.Qg1#
- 1...Qg8
- 2.Qg1#
- 2.c3#
- 2.c4#
- 1...Qf4
- 2.Sxf4#
- 1...Qf5
- 2.Se3#
- 1...Qf6
- 2.Se3#
- 1...Qe7
- 2.Sf4#
- 2.Qg1#
- 1...Qg7
- 2.Se3#
- 2.Sf4#
- 2.Qg1#
- 2.c3#
- 2.c4#
- 1...Qh7
- 2.Se3#
- 2.Sf4#
- 2.Qg1#
- 1...Qxd5+
- 1.f3!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 1
- ADDED MATES = 7
- REMOVED MATES = 0
- Sets
- K(a);N_GUARD,P_SPINQ(g),S_FLIGHT::QAB1(A)
- Q(g);CHECK,OGATE,P_SPINQ(g),XS(G)::B(I),XQ(g)
- Q(g);CHECK,N_PINS(G)::S(G)
- Tries
- Try
- R(B);
- Vars
- Q(g);CHECK,OGATE,P_SPINQ(g),XS(G)::B(I),XQ(g)
- Q(g);CHECK,N_PINS(G)::S(G)
- K(a);P_SPINQ(g),S_FLIGHT::QAB1(A)
- R(b);N_GUARD::QAB1(A),XR(b)
- Refutation
- P(c);XP(D)
- Try
- Q(A);CHECK
- Vars
- K(a);N_GUARD,P_SPINQ(g),S_FLIGHT::R(J),XQ(g)
- Refutation
- K(a);S_FLIGHT,XQ(A)
- Try
- Q(A);CHECK
- Vars
- K(a);S_CUTQ(g),S_FLIGHT::R(B)
- K(a);P-FLIGHT,S_CUTQ(g)::R(B)
- Refutation
- Q(g);CHECK,N_PINS(G),P_SPINQ(g)
- Try
- Actual
- P(D);
- Vars
- Q(g);CHECK,XS(G)::R(B)+P(C)
- Q(g);CHECK,N_PINS(G),XP(D)::S(G)
- K(a);OGATEB,P_SPINQ(g),S_FLIGHT,XP(D)::QAB1(A)
- Q(g);N_PINS(G),XR(J)::S(G)
- P(e);SBLOCK,XP(D)::QAR1(A)
- R(b);SBLOCK::QAR2(A)
- Q(g);::QAR1(A)
- Q(g);N_PINS(G)::S(G),XQ(g)
- Q(g);N_PINS(G)::S(G)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
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