MESON Chess Problem Database
Problem Display
PID: 87431 (8/1R2Nbp1/2p1kp2/3N4/8/6B1/4p3/Q5K1 w - - 0 1)
Barron, Philip
American Chess Problemist, 1952
#2
6 + 6
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...e1Q+
- 2.Qxe1#
- 1...e1S
- 2.Qxe1#
- 1...e1B
- 2.Qxe1#
- 1...e1R+
- 2.Qxe1#
- 1...cxd5
- 2.Qa6#
- 1...c5
- 2.Qa6#
- 1...f5
- 2.Qe5#
- 1...g5
- 2.Qxf6#
- 1...g6
- 2.Qxf6#
- 1...e1Q+
- Tries
- 1.Sc3?
- threat
- 2.Qa2#
- 1...e1Q+
- 2.Qxe1#
- 1...e1R+
- 2.Qxe1#
- 1...c5
- 2.Qa6#
- 1...f5!
- threat
- 1.Sb6?
- threat
- 2.Qa2#
- 1...e1Q+
- 2.Qxe1#
- 1...e1R+
- 2.Qxe1#
- 1...f5
- 2.Qe5#
- 1...c5!
- threat
- 1.Sc3?
- Keys
- 1.Sb4!
- threat
- 2.Qa2#
- 1...e1Q+
- 2.Qxe1#
- 1...e1R+
- 2.Qxe1#
- 1...c5
- 2.Qa6#
- 1...f5
- 2.Qe5#
- threat
- 1.Sb4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 5
- Sets
- P(a);CHECK,OGATEB::QAR(A),XQ(a)
- P(a);OGATEB::QAR(A),XS(a)
- P(a);OGATEB::QAR(A),XB(a)
- P(a);CHECK,OGATEB::QAR(A),XR(a)
- P(b);OGATEB,XS(D)::QAR(A)
- P(b);OGATEB::QAR(A)
- P(d);N_GUARD::QAR1(A)
- P(f);N_GUARD::QAR1(A),XP(d)
- Tries
- Try
- S(D);
- Threat
- QAB(A)
- Vars
- P(a);CHECK,OGATEB::QAR(A),XQ(a)
- P(a);CHECK,OGATEB::QAR(A),XR(a)
- P(b);OGATEB::QAR(A)
- Refutation
- P(d);
- Try
- S(D);
- Threat
- QAB(A)
- Vars
- P(a);CHECK,OGATEB::QAR(A),XQ(a)
- P(a);CHECK,OGATEB::QAR(A),XR(a)
- P(d);N_GUARD::QAR1(A)
- Refutation
- P(b);
- Try
- Actual
- S(D);
- Threat
- QAB(A)
- Vars
- P(a);CHECK,OGATEB::QAR(A),XQ(a)
- P(a);CHECK,OGATEB::QAR(A),XR(a)
- P(b);OGATEB::QAR(A)
- P(d);N_GUARD::QAR1(A)
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).