MESON Chess Problem Database
Problem Display
PID: 9722 (5N2/6N1/3BQ1P1/pp1KP1qP/5k1P/6pR/3PP2n/1R6 w - - 0 1)
Corrias, Antonio G
3rd Prize, Western Daily Mercury, 1908
#2
13 + 6
| 3360 | Simple Two-move Themes | 1924 |
SOLUTION
- SOUND
- Sets
- 1...Qxh4
- 2.Qf5#
- 1...Qf6
- 2.exf6#
- 1...Qh6
- 2.Qf5#
- 1...Qe7
- 2.Qf5#
- 1...Qd8
- 2.Qf5#
- 1...Qxe5+
- 2.Bxe5#
- 1...Qf5
- 2.Qxf5#
- 1...Qxh5
- 2.Sxh5#
- 1...Qxg6
- 2.Sxg6#
- 1...Sf1
- 2.Rxf1#
- 1...Sf3
- 2.e3#
- 1...g2
- 2.e3#
- 1...a4
- 2.Rb4#
- 1...Qxh4
- Tries
- 1.Rf1+?
- 1...Sf3
- 2.Rxf3#
- 2.e3#
- 1...Sxf1!
- 1...Sf3
- 1.Qg4+?
- 1...Qxg4
- 2.e6#
- 1...Sxg4
- 2.Sfe6#
- 1...Kxg4!
- 1...Qxg4
- 1.Qd7?
- 1...Qxe5+
- 2.Bxe5#
- 1...Qxh4
- 2.Qf5#
- 1...Qxh5
- 2.Sxh5#
- 1...Qxg6
- 2.Sxg6#
- 1...Qf5
- 2.Qxf5#
- 1...Qg4
- 2.e6#
- 1...Qf6
- 2.exf6#
- 1...Qh6
- 2.Qf5#
- 1...Qe7
- 2.Qf5#
- 1...Qd8
- 2.Qf5#
- 1...Sf1
- 2.Rxf1#
- 1...Sf3
- 2.e3#
- 1...Sg4
- 2.Sfe6#
- 1...g2
- 2.e3#
- 1...a4
- 2.Rb4#
- 1...b4!
- 1...Qxe5+
- 1.Rf1+?
- Keys
- 1.Qc8!
- 1...Qxe5+
- 2.Bxe5#
- 1...Qxh4
- 2.Qf5#
- 1...Qxh5
- 2.Sxh5#
- 1...Qxg6
- 2.Sxg6#
- 1...Qf5
- 2.Qxf5#
- 1...Qg4
- 2.e6#
- 1...Qf6
- 2.exf6#
- 1...Qh6
- 2.Qf5#
- 1...Qe7
- 2.Qf5#
- 1...Qd8
- 2.Qf5#
- 1...Sf1
- 2.Rxf1#
- 1...Sf3
- 2.e3#
- 1...Sg4
- 2.Sfe6#
- 1...g2
- 2.e3#
- 1...a4
- 2.Rb4#
- 1...b4
- 2.Qc4#
- 1...Qxe5+
- 1.Qc8!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- Q(f);N_GUARD,N_PINP(G),XP(E)::QAR1(J)
- Q(f);N_PINP(G)::B(I)+P(G),XQ(f)
- Q(f);N_GUARD,N_PINP(G)::QAR1(J)
- Q(f);N_GUARD,N_PINP(G),P_PINB(I)::QAR1(J)
- Q(f);CHECK,OGATE,P_SPINQ(f),XP(G)::B(I),XQ(f)
- Q(f);N_GUARD::QAR1(J),XQ(f)
- Q(f);XP(H)::S(L),XQ(f)
- Q(f);N_PINP(G),XP(K)::S(M),XQ(f)
- S(a);N_GUARD::R(A),XS(a)
- S(a);SBLOCK::P(C)
- P(b);::P(C)
- P(d);N_GUARD::R(A)
- Tries
- Try
- R(A);CHECK
- Refutation
- S(a);XR(A)
- Try
- Q(J);CHECK
- Vars
- Q(f);N_PINP(G),SBLOCK,XQ(J)::B(I)+P(G)
- S(a);SBLOCK,XQ(J)::S(M)
- Refutation
- K(c);P-FLIGHT,XQ(J)
- Try
- Q(J);
- Vars
- Q(f);CHECK,OGATE,P_SPINQ(f),XP(G)::B(I),XQ(f)
- Q(f);N_GUARD,N_PINP(G),XP(E)::QAR1(J)
- Q(f);XP(H)::S(L),XQ(f)
- Q(f);N_PINP(G),XP(K)::S(M),XQ(f)
- Q(f);N_GUARD::QAR1(J),XQ(f)
- Q(f);N_PINP(G),SBLOCK::B(I)+P(G)
- Q(f);N_PINP(G)::B(I)+P(G),XQ(f)
- Q(f);N_GUARD,N_PINP(G)::QAR1(J)
- S(a);N_GUARD::R(A),XS(a)
- S(a);SBLOCK::P(C)
- S(a);SBLOCK::S(M)
- P(b);::P(C)
- P(d);N_GUARD::R(A)
- Refutation
- P(e);
- Try
- Actual
- Q(J);
- Vars
- Q(f);CHECK,OGATE,P_SPINQ(f),XP(G)::B(I),XQ(f)
- Q(f);N_GUARD,N_PINP(G),XP(E)::QAR1(J)
- Q(f);XP(H)::S(L),XQ(f)
- Q(f);N_PINP(G),XP(K)::S(M),XQ(f)
- Q(f);N_GUARD::QAR1(J),XQ(f)
- Q(f);N_PINP(G),SBLOCK::B(I)+P(G)
- Q(f);N_PINP(G)::B(I)+P(G),XQ(f)
- Q(f);N_GUARD,N_PINP(G)::QAR1(J)
- Q(f);N_GUARD,N_PINP(G),P_PINB(I)::QAR1(J)
- S(a);N_GUARD::R(A),XS(a)
- S(a);SBLOCK::P(C)
- S(a);SBLOCK::S(M)
- P(b);::P(C)
- P(d);N_GUARD::R(A)
- P(e);N_GUARD::QAR(J)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
CSS/Javascript (jQuery, Bootstrap & DataTables).