MESON Chess Problem Database
Problem Display
PID: 240515 (8/1B6/8/8/5K2/8/4pk2/7Q w - - 0 1)
Pilchenko, Viacheslav Karlovich
Kudesnik, 2011
#2
3 + 2
| 5454 | Near Snap | 2021 |
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...e1Q
- 2.Qg2#
- 1...e1B
- 2.Qg2#
- 1...e1R
- 2.Qg2#
- 1...e1Q
- Tries
- 1.Bf3?
- 1...e1Q
- 2.Qg2#
- 1...e1B
- 2.Qg2#
- 1...e1R
- 2.Qg2#
- 1...e1S!
- 1...e1Q
- 1.Be4?
- 1...e1Q
- 2.Qg2#
- 1...e1B
- 2.Qg2#
- 1...e1R
- 2.Qg2#
- 1...e1S!
- 1...e1Q
- 1.Bd5?
- 1...e1Q
- 2.Qg2#
- 1...e1B
- 2.Qg2#
- 1...e1R
- 2.Qg2#
- 1...e1S!
- 1...e1Q
- 1.Bc6?
- 1...e1Q
- 2.Qg2#
- 1...e1B
- 2.Qg2#
- 1...e1R
- 2.Qg2#
- 1...e1S!
- 1...e1Q
- 1.Ba8?
- 1...e1Q
- 2.Qg2#
- 1...e1B
- 2.Qg2#
- 1...e1R
- 2.Qg2#
- 1...e1S!
- 1...e1Q
- 1.Qf3+?
- 1...Kg1
- 2.Qg2#
- 1...Ke1!
- 1...Kg1
- 1.Bf3?
- Keys
- 1.Ba6!
- 1...e1Q
- 2.Qh2#
- 1...e1S
- 2.Qf1#
- 1...e1B
- 2.Qf1#
- 2.Qh2#
- 1...e1R
- 2.Qh2#
- 1...e1Q
- 1.Ba6!
Anticipated by 193476(1915), 237701(1988)
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 2
- ADDED MATES = 1
- REMOVED MATES = 1
- Sets
- P(a);SBLOCK::QAR1(A)
- Tries
- Try
- B(C);
- Vars
- P(a);SBLOCK::QAR1(A)
- Refutation
- P(a);
- Try
- B(C);
- Vars
- P(a);SBLOCK::QAR1(A)
- Refutation
- P(a);
- Try
- B(C);
- Vars
- P(a);SBLOCK::QAR1(A)
- Refutation
- P(a);
- Try
- B(C);
- Vars
- P(a);SBLOCK::QAR1(A)
- Refutation
- P(a);
- Try
- B(C);
- Vars
- P(a);SBLOCK::QAR1(A)
- Refutation
- P(a);
- Try
- Q(A);CHECK
- Vars
- K(b);S_FLIGHT::QAR1(A)
- Refutation
- K(b);S_FLIGHT
- Try
- Actual
- B(C);
- Vars
- P(a);SBLOCK::QAR2(A)
- P(a);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).