MESON Chess Problem Database
Problem Display
PID: 15365 (4K3/8/p3kp1p/7Q/8/8/7B/8 w - - 0 1)
Akchurin, Mikhail
Sp. HM., Vecherni Kharkov, 1982
#2
3 + 4
| 3296 | Shakhmatny zadachi miniaturi | 1987 |
| 145 | StrateGems | 2009 |
| 5454 | Near Snap | 2018 |
SOLUTION
- SOUND
- Sets
- 1...f5
- 2.Qf7#
- 1...f5
- Tries
- 1.Kf8?
- 1...Kd7
- 2.Qe8#
- 1...f5
- 2.Qf7#
- 1...a5!
- 1...Kd7
- 1.Bg3?
- 1...f5
- 2.Qf7#
- 1...a5!
- 1...f5
- 1.Bf4?
- 1...f5
- 2.Qf7#
- 1...a5!
- 1...f5
- 1.Bc7?
- 1...f5
- 2.Qf7#
- 1...a5!
- 1...f5
- 1.Bb8?
- 1...f5
- 2.Qf7#
- 1...a5!
- 1...f5
- 1.Qd1?
- threat
- 2.Qd7#
- 1...f5
- 2.Qd6#
- 1...Kf5!
- threat
- 1.Qa5?
- 1...f5
- 2.Qe5#
- 1...h5!
- 1...f5
- 1.Qb5?
- threat
- 2.Qd7#
- 1...f5
- 2.Qc6#
- 2.Qe5#
- 1...axb5!
- threat
- 1.Kf8?
- Keys
- 1.Qf3!
- threat
- 2.Qe4#
- 1...f5
- 2.Qc6#
- threat
- 1.Qf3!
Anticipated by 234511(1962)
This anticipates 171347(1995)
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- P(c);::QAB1(B)
- Tries
- Try
- K(C);P-FLIGHT
- Vars
- K(b);S_FLIGHT::QAB1(B)
- P(c);::QAB1(B)
- Refutation
- P(a);
- Try
- B(A);
- Vars
- P(c);::QAB1(B)
- Refutation
- P(a);
- Try
- B(A);
- Vars
- P(c);::QAB1(B)
- Refutation
- P(a);
- Try
- B(A);
- Vars
- P(c);::QAB1(B)
- Refutation
- P(a);
- Try
- B(A);
- Vars
- P(c);::QAB1(B)
- Refutation
- P(a);
- Try
- Q(B);
- Threat
- QAB1(B)
- Vars
- P(c);SBLOCK::QAR1(B)
- Refutation
- K(b);S_FLIGHT
- Try
- Q(B);
- Vars
- P(c);N_GUARD::QAR1(B)
- Refutation
- P(d);
- Try
- Q(B);
- Threat
- QAB1(B)
- Refutation
- P(a);XQ(B)
- Try
- Actual
- Q(B);
- Threat
- QAR2(B)
- Vars
- P(c);SBLOCK::QAR2(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).