MESON Chess Problem Database
Problem Display
PID: 2138 (5q2/3BB3/1N6/3p4/1p5R/kp3P2/p2p2P1/Q1bN3K w - - 0 1)
Brown, Theodore Morris
Source?, 0000
#2
9 + 8
| 1679 | American Chess Nuts | 1868 |
SOLUTION
- SOUND
- Sets
- 1...Qh6
- 2.Bxb4#
- 1...Qg7
- 2.Bxb4#
- 1...Qxf3
- 2.Bxb4#
- 1...Qf5
- 2.Bxb4#
- 1...Qf6
- 2.Bxb4#
- 1...Qf7
- 2.Bxb4#
- 1...Qa8
- 2.Bxb4#
- 1...Qb8
- 2.Bxb4#
- 1...Qc8
- 2.Bxb4#
- 1...Qd8
- 2.Bxb4#
- 1...Qe8
- 2.Bxb4#
- 1...Qg8
- 2.Bxb4#
- 1...Qh8
- 2.Bxb4#
- 1...Bb2
- 2.Qxb2#
- 1...d4
- 2.Sc4#
- 1...Qh6
- Tries
- 1.Bxf8?
- threat
- 2.Bxb4#
- 1...d4
- 2.Sc4#
- 1...b2!
- threat
- 1.Qd4?
- threat
- 2.Qxb4#
- 1...a1Q
- 2.Qxa1#
- 1...a1S
- 2.Qxa1#
- 1...a1B
- 2.Qxa1#
- 1...a1R
- 2.Qxa1#
- 1...Qf4
- 2.Bxb4#
- 1...Qxe7!
- threat
- 1.Qf6?
- 1...Qxf6
- 2.Bxb4#
- 1...a1Q
- 2.Qxa1#
- 1...a1S
- 2.Qxa1#
- 1...a1B
- 2.Qxa1#
- 1...a1R
- 2.Qxa1#
- 1...b2
- 2.Qc3#
- 1...Qh6
- 2.Bxb4#
- 1...Qg7
- 2.Bxb4#
- 1...Qf7
- 2.Bxb4#
- 1...Qa8
- 2.Bxb4#
- 1...Qb8
- 2.Bxb4#
- 1...Qc8
- 2.Bxb4#
- 1...Qd8
- 2.Bxb4#
- 1...Qe8
- 2.Bxb4#
- 1...Qg8
- 2.Bxb4#
- 1...Qh8
- 2.Bxb4#
- 1...Bb2
- 2.Qxb2#
- 1...d4
- 2.Sc4#
- 1...Qxe7!
- 1...Qxf6
- 1.Bxf8?
- Keys
- 1.Qh8!
- 1...Qxe7
- 2.Qa8#
- 1...Qxf3
- 2.Bxb4#
- 2.Qa8#
- 1...Qxh8
- 2.Bxb4#
- 1...a1Q
- 2.Qxa1#
- 1...a1S
- 2.Qxa1#
- 1...a1B
- 2.Qxa1#
- 1...a1R
- 2.Qxa1#
- 1...b2
- 2.Qc3#
- 1...Qf4
- 2.Qa8#
- 1...Qh6
- 2.Bxb4#
- 2.Qa8#
- 1...Qg7
- 2.Bxb4#
- 2.Qa8#
- 1...Qf5
- 2.Bxb4#
- 2.Qa8#
- 1...Qf6
- 2.Bxb4#
- 2.Qa8#
- 1...Qf7
- 2.Bxb4#
- 2.Qa8#
- 1...Qa8
- 2.Bxb4#
- 2.Qxa8#
- 1...Qb8
- 2.Bxb4#
- 1...Qc8
- 2.Bxb4#
- 1...Qd8
- 2.Bxb4#
- 1...Qe8
- 2.Bxb4#
- 1...Qg8
- 2.Bxb4#
- 1...Bb2
- 2.Qxb2#
- 1...d4
- 2.Sc4#
- 1...Qxe7
- 1.Qh8!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 7
- REMOVED MATES = 7
- Sets
- Q(h);N_GUARD,P_PINR(F)::B(I),XP(f)
- Q(h);N_GUARD::B(I),XP(f)
- Q(h);N_GUARD,P_PINP(D),XP(E)::B(I),XP(f)
- B(a);N_GUARD::QAB1(A),XB(a)
- P(g);N_GUARD::S(G)
- Tries
- Try
- B(I);XQ(h)
- Threat
- B(I),XP(f)
- Vars
- P(g);N_GUARD::S(G)
- Refutation
- P(e);
- Try
- Q(A);N_PINP(b),P_PINP(f)
- Threat
- QAB1(A),XP(f)
- Vars
- P(b);OGATEB::QAR2(A),XQ(b)
- P(b);OGATEB::QAR2(A),XS(b)
- P(b);OGATEB::QAR2(A),XB(b)
- P(b);OGATEB::QAR2(A),XR(b)
- Q(h);N_GUARD::B(I),XP(f)
- Refutation
- Q(h);N_SPINP(f),XB(I)
- Try
- Q(A);N_PINP(b),P_PINP(f)
- Vars
- Q(h);N_GUARD,XQ(A)::B(I),XP(f)
- P(b);OGATEB::QAR2(A),XQ(b)
- P(b);OGATEB::QAR2(A),XS(b)
- P(b);OGATEB::QAR2(A),XB(b)
- P(b);OGATEB::QAR2(A),XR(b)
- P(e);OGATEB::QAR2(A)
- Q(h);N_GUARD,P_PINR(F)::B(I),XP(f)
- Q(h);N_GUARD::B(I),XP(f)
- B(a);N_GUARD::QAB1(A),XB(a)
- P(g);N_GUARD::S(G)
- Refutation
- Q(h);N_SPINP(f),XB(I)
- Try
- Actual
- Q(A);N_PINP(b),P_PINP(f)
- Vars
- Q(h);N_SPINP(f),OGATE,XB(I)::QAR(A)
- Q(h);N_GUARD,P_PINR(F),XQ(A)::B(I),XP(f)
- P(b);OGATEB::QAR2(A),XQ(b)
- P(b);OGATEB::QAR2(A),XS(b)
- P(b);OGATEB::QAR2(A),XB(b)
- P(b);OGATEB::QAR2(A),XR(b)
- P(e);OGATEB::QAR2(A)
- Q(h);OGATE::QAR(A)
- Q(h);N_GUARD::B(I),XP(f)
- B(a);N_GUARD::QAB1(A),XB(a)
- P(g);N_GUARD::S(G)
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).