MESON Chess Problem Database
Problem Display
PID: 109558 (8/2Q1B3/1Kp5/8/8/1p6/k7/7R w - - 0 1)
Tyunin, Aleksandr Dmitrevich
Suomen Tehtavaniekat, 2006
#2
4 + 3
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Tries
- 1.Bb4?
- 1...Kb2
- 2.Qh2#
- 1...b2
- 2.Qf7#
- 1...c5!
- 1...Kb2
- 1.Bc5?
- 1...b2
- 2.Qf7#
- 1...Kb2!
- 1...b2
- 1.Qf4?
- 1...Kb2
- 2.Qd2#
- 1...b2
- 2.Qa4#
- 2.Qc4#
- 2.Qf7#
- 1...c5!
- 1...Kb2
- 1.Qd6?
- threat
- 2.Qa3#
- 1...Kb2
- 2.Qd2#
- 1...c5!
- threat
- 1.Qd8?
- 1...Kb2
- 2.Qd2#
- 1...b2
- 2.Qg8#
- 1...c5!
- 1...Kb2
- 1.Qxc6?
- 1...b2
- 2.Qa4#
- 2.Qd5#
- 2.Qc4#
- 2.Qe6#
- 1...Kb2!
- 1...b2
- 1.Qd7?
- 1...Kb2
- 2.Qd2#
- 1...b2
- 2.Qe6#
- 1...c5!
- 1...Kb2
- 1.Bb4?
- Keys
- 1.Qe5!
- threat
- 2.Ra1#
- 2.Qa1#
- 1...b2
- 2.Qe6#
- threat
- 1.Qe5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- Tries
- Try
- B(D);
- Vars
- K(a);P-FLIGHT::QAR(C)
- P(b);OGATEB,SBLOCK::QAB(C)
- Refutation
- P(c);
- Try
- B(D);
- Vars
- P(b);OGATEB,SBLOCK::QAB(C)
- Refutation
- K(a);P-FLIGHT
- Try
- Q(C);
- Vars
- K(a);P-FLIGHT::QAR2(C)
- Refutation
- P(c);
- Try
- Q(C);
- Threat
- QAR1(C)
- Vars
- K(a);P-FLIGHT::QAR2(C)
- Refutation
- P(c);
- Try
- Q(C);
- Vars
- K(a);P-FLIGHT::QAR2(C)
- P(b);OGATEB,SBLOCK::QAB(C)
- Refutation
- P(c);
- Try
- Q(C);XP(c)
- Refutation
- K(a);P-FLIGHT
- Try
- Q(C);
- Vars
- K(a);P-FLIGHT::QAR2(C)
- P(b);OGATEB,SBLOCK::QAB(C)
- Refutation
- P(c);
- Try
- Actual
- Q(C);
- Threat
- DUALS(2)
- Vars
- P(b);OGATEB,SBLOCK::QAB(C)
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).