MESON Chess Problem Database
Problem Display
PID: 73150 (8/6pb/8/8/Q3P2k/3K2R1/8/3BB3 w - - 0 1)
Bruch, Wieland
3rd HM., Neue Osnabrucker Zeitung, 1989-1992
#2
6 + 3
| 6113 | Problemschach-Jahrbuch (1993) | 1994 |
SOLUTION
- SOUND
- Sets
- 1...Bxe4+
- 2.Qxe4#
- 1...Bf5
- 2.exf5#
- 1...g5
- 2.Re3#
- 1...g6
- 2.e5#
- 1...Bxe4+
- Tries
- 1.Qe8?
- threat
- 2.Qh5#
- 1...Bxe4+
- 2.Qxe4#
- 1...Bg6
- 2.Qe7#
- 2.Qd8#
- 1...g6!
- threat
- 1.Qb4?
- 1...Bxe4+
- 2.Qxe4#
- 1...Bg6
- 2.Qe7#
- 1...Bf5
- 2.exf5#
- 1...g5
- 2.Re3#
- 1...g6
- 2.e5#
- 1...Bg8!
- 1...Bxe4+
- 1.Qe8?
- Keys
- 1.Qd4!
- 1...Bxe4+
- 2.Qxe4#
- 1...Bg6
- 2.Qd8#
- 1...Bf5
- 2.exf5#
- 1...Bg8
- 2.e5#
- 1...g5
- 2.Re3#
- 1...g6
- 2.e5#
- 1...Bxe4+
- 1.Qd4!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- B(c);CHECK,OGATE,P_SPINB(c),XP(F)::QAR(E),XB(c)
- B(c);::QAR(E)+P(F),XB(c)
- P(b);SBLOCK::B(B)+R(D)
- P(b);N_PINP(F)::QAR(E)+P(F)
- Tries
- Try
- Q(E);
- Threat
- QAR1(E)
- Vars
- B(c);CHECK,OGATE,XP(F)::QAR(E),XB(c)
- Refutation
- P(b);N_PINP(F)
- Try
- Q(E);
- Vars
- B(c);CHECK,OGATE,P_SPINB(c),XP(F)::QAR(E),XB(c)
- B(c);S_CUTP(b)::QAB(E)
- B(c);::QAR(E)+P(F),XB(c)
- P(b);SBLOCK::B(B)+R(D)
- P(b);N_PINP(F)::QAR(E)+P(F)
- Refutation
- B(c);N_PINP(F)
- Try
- Actual
- Q(E);
- Vars
- B(c);CHECK,OGATE,P_SPINB(c),XP(F)::QAR(E),XB(c)
- B(c);S_CUTP(b)::QAB(E)
- B(c);::QAR(E)+P(F),XB(c)
- B(c);N_PINP(F)::QAR(E)+P(F)
- P(b);SBLOCK::B(B)+R(D)
- P(b);N_PINP(F)::QAR(E)+P(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).