MESON Chess Problem Database
Problem Display
PID: 262351 (8/5N2/QK6/2p5/3k2B1/8/3B4/8 w - - 0 1)
Petrov, Evgeny Aleksandrovich
Europe Echecs, 1975
#2
5 + 2
| 6490 | yacpdb | 2022 |
SOLUTION
- SOUND
- Sets
- 1...Ke4
- 2.Qc4#
- 1...Kd5
- 2.Qd3#
- 1...Ke4
- Tries
- 1.Kc6?
- 1...Ke4
- 2.Qc4#
- 1...c4!
- 1...Ke4
- 1.Kb7?
- 1...Ke4
- 2.Qc4#
- 1...Kd5
- 2.Qd3#
- 1...c4!
- 1...Ke4
- 1.Kc7?
- 1...Ke4
- 2.Qc4#
- 1...Kd5
- 2.Qd3#
- 1...c4!
- 1...Ke4
- 1.Bf5?
- threat
- 2.Qd3#
- 1...Kd5
- 2.Qd3#
- 1...c4!
- threat
- 1.Be6?
- threat
- 2.Qc4#
- 1...c4
- 2.Qxc4#
- 1...Ke4!
- threat
- 1.Qf1?
- 1...Ke4
- 2.Qc4#
- 1...Kd5
- 2.Qd3#
- 1...c4!
- 1...Ke4
- 1.Qe2?
- 1...Kd5
- 2.Qd3#
- 1...c4!
- 1...Kd5
- 1.Qb5?
- 1...Ke4
- 2.Qc4#
- 1...Kd5
- 2.Qd3#
- 1...c4!
- 1...Ke4
- 1.Kc6?
- Keys
- 1.Be2!
- threat
- 2.Qd3#
- 2.Qc4#
- 1...Ke4
- 2.Qd3#
- 1...Kd5
- 2.Qc4#
- 1...c4
- 2.Qxc4#
- threat
- 1.Be2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- K(a);N_GUARD,P-FLIGHT::QAR2(C)
- Tries
- Try
- K(D);P-FLIGHT
- Vars
- K(a);N_GUARD,P-FLIGHT::QAR2(C)
- Refutation
- P(b);
- Try
- K(D);P-FLIGHT
- Vars
- K(a);N_GUARD,P-FLIGHT::QAR2(C)
- Refutation
- P(b);
- Try
- K(D);S_FLIGHT
- Vars
- K(a);N_GUARD,P-FLIGHT::QAR2(C)
- Refutation
- P(b);
- Try
- B(B);
- Threat
- QAR1(C)
- Vars
- K(a);P-FLIGHT::QAR2(C)
- Refutation
- P(b);
- Try
- B(B);
- Threat
- QAR1(C)
- Vars
- P(b);::QAR1(C),XP(b)
- Refutation
- K(a);P-FLIGHT
- Try
- Q(C);
- Vars
- K(a);N_GUARD,P-FLIGHT::QAR2(C)
- Refutation
- P(b);
- Try
- Q(C);
- Vars
- K(a);N_GUARD,P-FLIGHT::QAR2(C)
- Refutation
- P(b);
- Try
- Q(C);
- Vars
- K(a);N_GUARD,P-FLIGHT::QAR2(C)
- K(a);N_GUARD,P-FLIGHT,P_SPINP(b)::QAR2(C)
- Refutation
- P(b);
- Try
- Actual
- B(B);
- Threat
- DUALS(2)
- Vars
- K(a);P-FLIGHT::QAB1(C)
- P(b);::QAR1(C),XP(b)
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).