MESON Chess Problem Database
Problem Display
PID: 117355 (8/8/1B6/3k2K1/3N4/3Q4/5P2/3n4 w - - 0 1)
Lyalyushkin, Yuri Konstantinovich
Lenininski Pyt, 1987
#2
5 + 2
| 6490 | yacpdb | 2009 |
| 5454 | Near Snap | 2022 |
SOLUTION
- SOUND
- Tries
- 1.Qe2?
- threat
- 2.Qe6#
- 1...Kd6
- 2.Qe6#
- 1...Se3!
- threat
- 1.Qb5+?
- 1...Ke4
- 2.Qf5#
- 1...Kd6!
- 1...Ke4
- 1.Qf5+?
- 1...Kd6
- 2.Qe6#
- 1...Kc4!
- 1...Kd6
- 1.Qg6?
- threat
- 2.Qe6#
- 1...Ke5
- 2.Qe6#
- 1...Kc4!
- threat
- 1.Qb3+?
- 1...Ke5
- 2.Qe6#
- 1...Kd6
- 2.Qe6#
- 1...Ke4!
- 1...Ke5
- 1.Qe3?
- threat
- 2.Qe6#
- 1...Kc4
- 2.Qb3#
- 1...Kd6
- 2.Qe6#
- 1...Sxe3!
- threat
- 1.Qe2?
- Keys
- 1.Qh3!
- threat
- 2.Qe6#
- 1...Kc4
- 2.Qb3#
- 1...Ke4
- 2.Qf5#
- 1...Ke5
- 2.Qe6#
- 1...Kd6
- 2.Qe6#
- threat
- 1.Qh3!
Anticipated by 93888(1968)
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 0
- Sets
- Tries
- Try
- Q(B);
- Threat
- QAB1(B)
- Vars
- K(b);P-FLIGHT::QAR1(B)
- Refutation
- S(a);
- Try
- Q(B);CHECK
- Vars
- K(b);OGATE,S_FLIGHT::QAB1(B)
- Refutation
- K(b);P-FLIGHT
- Try
- Q(B);CHECK
- Vars
- K(b);P-FLIGHT::QAR1(B)
- Refutation
- K(b);S_FLIGHT
- Try
- Q(B);
- Threat
- QAB1(B)
- Vars
- K(b);P-FLIGHT::QAR1(B)
- Refutation
- K(b);S_FLIGHT
- Try
- Q(B);CHECK
- Vars
- K(b);OGATE,P-FLIGHT::QAR1(B)
- Refutation
- K(b);S_FLIGHT
- Try
- Q(B);
- Threat
- QAB1(B)
- Vars
- K(b);S_FLIGHT::QAB1(B)
- K(b);P-FLIGHT::QAR1(B)
- Refutation
- S(a);XQ(B)
- Try
- Actual
- Q(B);
- Threat
- QAB1(B)
- Vars
- K(b);S_FLIGHT::QAB1(B)
- K(b);P-FLIGHT::QAR1(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).