MESON Chess Problem Database
Problem Display
PID: 172320 (8/1K2B3/8/pk6/2p5/8/1b6/5Q2 w - - 0 1)
Andreev, Aleksandr Grigorevich
Vecherni Krasnodar, 1996
#2
3 + 4
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Ka4
- 2.Qxc4#
- 1...Ka4
- Tries
- 1.Qg2?
- threat
- 2.Qc6#
- 1...a4
- 2.Qd5#
- 1...Ka4!
- threat
- 1.Qd1?
- threat
- 2.Qd7#
- 1...c3
- 2.Qb3#
- 1...a4
- 2.Qd5#
- 1...Bd4!
- threat
- 1.Qh1?
- threat
- 2.Qc6#
- 1...a4
- 2.Qd5#
- 1...Ka4!
- threat
- 1.Qf3?
- threat
- 2.Qc6#
- 1...a4
- 2.Qd5#
- 1...Ka4!
- threat
- 1.Qf5+?
- 1...Be5
- 2.Qd7#
- 1...Ka4!
- 1...Be5
- 1.Qg2?
- Keys
- 1.Qf7!
- threat
- 2.Qe8#
- 1...Ka4
- 2.Qxc4#
- 1...c3
- 2.Qb3#
- 1...a4
- 2.Qd5#
- threat
- 1.Qf7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- K(d);N_SPINP(b),S_FLIGHT::QAR2(A),XP(b)
- Tries
- Try
- Q(A);N_PINP(b)
- Threat
- QAB1(A)
- Vars
- P(c);SBLOCK::QAR2(A)
- Refutation
- K(d);S_FLIGHT
- Try
- Q(A);N_PINP(b)
- Threat
- QAB(A)
- Vars
- P(b);N_GUARD::QAR2(A)
- P(c);SBLOCK::QAR2(A)
- Refutation
- B(a);
- Try
- Q(A);N_PINP(b)
- Threat
- QAB1(A)
- Vars
- P(c);SBLOCK::QAR2(A)
- Refutation
- K(d);S_FLIGHT
- Try
- Q(A);N_PINP(b)
- Threat
- QAB1(A)
- Vars
- P(c);SBLOCK::QAR2(A)
- Refutation
- K(d);S_FLIGHT
- Try
- Q(A);CHECK,N_PINP(b)
- Vars
- B(a);P_SPINB(a)::QAB(A)
- Refutation
- K(d);S_FLIGHT
- Try
- Actual
- Q(A);N_PINP(b)
- Threat
- QAB(A)
- Vars
- K(d);S_FLIGHT::QAR2(A),XP(b)
- P(b);OGATE::QAR2(A)
- P(c);SBLOCK::QAR2(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).