MESON Chess Problem Database
Problem Display
PID: 63284 (Nk3bbR/N5Qq/2B5/2B5/R7/3p1r1p/1r4pK/6n1 w - - 0 1)
Barnes, Barry Peter
1st Prize, Schach-Echo, 1974/II
#2
8 + 10
| 3771 | FIDE Album (1974-1976) | 1980 |
| 4199 | Barnes about Chess Problems | 2001 |
SOLUTION
- SOUND
- Sets
- 1...Qe4
- 2.Qc7#
- 1...Qf5
- 2.Qc7#
- 1...Qg6
- 2.Qc7#
- 1...Qh4
- 2.Qc7#
- 1...Qh5
- 2.Qc7#
- 1...Qh6
- 2.Qc7#
- 1...Qxh8
- 2.Qc7#
- 1...Ra2
- 2.Rb4#
- 1...Rc2
- 2.Rb4#
- 1...Rd2
- 2.Rb4#
- 1...Re2
- 2.Rb4#
- 1...Rbf2
- 2.Rb4#
- 1...Rb4
- 2.Rxb4#
- 1...Rg3
- 2.Qxf8#
- 1...Bd6+
- 2.Bxd6#
- 1...Be7
- 2.Qxb2#
- 1...Bxg7
- 2.Bd6#
- 1...Ba2
- 2.Bd6#
- 1...Bb3
- 2.Bd6#
- 2.Rb4#
- 1...Bc4
- 2.Bd6#
- 1...Bd5
- 2.Bd6#
- 1...Be6
- 2.Bd6#
- 1...Bf7
- 2.Bd6#
- 2.Qe5#
- 1...Qe4
- Tries
- 1.Rd4?
- threat
- 2.Rd8#
- 1...Bd6+
- 2.Bxd6#
- 1...Qf5
- 2.Qc7#
- 1...Qh4
- 2.Qc7#
- 1...Bd5
- 2.Bd6#
- 1...Be6
- 2.Bd6#
- 1...Be7!
- threat
- 1.Qxb2+?
- 1...Qb7
- 2.Qxb7#
- 1...Bb3!
- 1...Qb7
- 1.Qe5+?
- 1...Qc7
- 2.Qxc7#
- 1...Bd6!
- 1...Qc7
- 1.Qd7?
- threat
- 2.Qc8#
- 2.Qe8#
- 2.Qd8#
- 1...Bd6+
- 2.Bxd6#
- 1...Be7
- 2.Qc8#
- 2.Qc7#
- 1...Qe4
- 2.Qc8#
- 2.Qc7#
- 2.Qd8#
- 1...Qf5
- 2.Qc7#
- 1...Qg6
- 2.Qc8#
- 2.Qc7#
- 2.Qd8#
- 1...Qh4
- 2.Qc8#
- 2.Qc7#
- 1...Qh5
- 2.Qc8#
- 2.Qc7#
- 2.Qd8#
- 1...Qe7
- 2.Qc8#
- 1...Qf7
- 2.Qc8#
- 2.Qd8#
- 1...Re2
- 2.Rb4#
- 2.Qc8#
- 2.Qd8#
- 1...Re3
- 2.Qc8#
- 2.Qd8#
- 1...Be6
- 2.Bd6#
- 1...Bf7
- 2.Bd6#
- 2.Qc8#
- 2.Qd6#
- 2.Qc7#
- 2.Qd8#
- 1...Qxd7!
- threat
- 1.Rd4?
- Keys
- 1.Re4!
- threat
- 2.Re8#
- 1...Bd6+
- 2.Bxd6#
- 1...Qxe4
- 2.Qc7#
- 1...Qf5
- 2.Qc7#
- 1...Qg6
- 2.Qc7#
- 1...Qh4
- 2.Qc7#
- 1...Qh5
- 2.Qc7#
- 1...Re2
- 2.Rb4#
- 1...Re3
- 2.Qxf8#
- 1...Be7
- 2.Qxb2#
- 1...Be6
- 2.Bd6#
- 1...Bf7
- 2.Qe5#
- threat
- 1.Re4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 12
- Sets
- Q(g);N_GUARD::QAB1(F)
- Q(g);N_GUARD,XR(H)::QAB1(F)
- R(b);N_GUARD::R(B)
- R(b);N_GUARD::R(B),XR(b)
- R(e);N_GUARD::QAR(F),XB(i)
- B(i);CHECK,N_GUARD,P_SPINB(j)::B(C),XB(i)
- B(i);P_SPINB(j),S_CUTQ(g)::QAR(F),XR(b)
- B(i);N_GUARD,P_SPINB(j),XQ(F)::B(C)
- B(j);P_SPINB(i)::B(C)
- Tries
- Try
- R(B);
- Threat
- R(B)
- Vars
- B(i);CHECK,N_GUARD,P_SPINB(j)::B(C),XB(i)
- Q(g);N_GUARD::QAB1(F)
- B(j);P_SPINB(i)::B(C)
- Refutation
- B(i);P_SPINB(j)
- Try
- Q(F);CHECK,XR(b)
- Vars
- Q(g);N_GUARD,P_SPINQ(g)::QAR1(F),XQ(g)
- Refutation
- B(j);P_SPINB(j)
- Try
- Q(F);CHECK
- Vars
- Q(g);N_GUARD,P_PINQ(F),P_SPINQ(g)::QAB1(F),XQ(g)
- Refutation
- B(i);P_PINQ(F),P_SPINB(i)
- Try
- Q(F);
- Threat
- DUALS(3)
- Vars
- B(i);CHECK,N_GUARD,P_SPINB(j)::B(C),XB(i)
- Q(g);N_GUARD::QAB1(F)
- Q(g);::QAR1(F)
- B(j);P_SPINB(i)::B(C)
- Refutation
- Q(g);XQ(F)
- Try
- Actual
- R(B);
- Threat
- R(B)
- Vars
- B(i);CHECK,N_GUARD,P_SPINB(j)::B(C),XB(i)
- Q(g);N_GUARD,XR(B)::QAB1(F)
- Q(g);N_GUARD::QAB1(F)
- R(b);N_GUARD::R(B)
- R(e);N_GUARD::QAR(F),XB(i)
- B(i);P_SPINB(j),S_CUTQ(g)::QAR(F),XR(b)
- B(j);P_SPINB(i)::B(C)
- B(j);P_SPINB(i),S_CUTQ(g)::QAB(F)
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).