MESON Chess Problem Database
Problem Display
PID: 102837 (8/2Qp2K1/4k3/4N3/6R1/8/8/8 w - - 0 1)
Dimants, Eduards
Serp i molot, 1989
#2
4 + 2
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Ke7
- 2.Qxd7#
- 1...Ke7
- Tries
- 1.Sd3?
- threat
- 2.Qe5#
- 1...Kd5
- 2.Qxd7#
- 1...Kf5
- 2.Qxd7#
- 1...Ke7
- 2.Re4#
- 1...d6
- 2.Qf7#
- 1...d5!
- threat
- 1.Sf3?
- threat
- 2.Qe5#
- 1...Kf5
- 2.Qxd7#
- 1...Ke7
- 2.Re4#
- 1...d5
- 2.Sd4#
- 1...d6
- 2.Qf7#
- 1...Kd5!
- threat
- 1.Rg5?
- threat
- 2.Qxd7#
- 1...Ke7
- 2.Qxd7#
- 1...d5
- 2.Qd7#
- 1...d6
- 2.Qf7#
- 1...Kd5!
- threat
- 1.Qd6+?
- 1...Kf5
- 2.Qf6#
- 1...Kxd6!
- 1...Kf5
- 1.Sd3?
- Keys
- 1.Sc4!
- threat
- 2.Qe5#
- 1...Kd5
- 2.Qd6#
- 1...Kf5
- 2.Qxd7#
- 1...Ke7
- 2.Re4#
- 1...d5
- 2.Qf7#
- 1...d6
- 2.Qf7#
- threat
- 1.Sc4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 4
- REMOVED MATES = 0
- Sets
- K(a);P-FLIGHT,P_SPINP(b)::QAR1(C),XP(b)
- Tries
- Try
- S(B);
- Threat
- QAR1(C)
- Vars
- K(a);S_FLIGHT::QAR2(C),XP(b)
- K(a);S_FLIGHT::QAB(C),XP(b)
- K(a);P-FLIGHT,P_SPINP(b)::R(A)
- P(b);OGATE,SBLOCK::QAB1(C)
- Refutation
- P(b);
- Try
- S(B);
- Threat
- QAR1(C)
- Vars
- K(a);S_FLIGHT::QAB(C),XP(b)
- K(a);P-FLIGHT,P_SPINP(b)::R(A)
- P(b);SBLOCK::S(B)
- P(b);OGATE,SBLOCK::QAB1(C)
- Refutation
- K(a);S_FLIGHT
- Try
- R(A);
- Threat
- QAB1(C),XP(b)
- Vars
- K(a);P-FLIGHT,P_SPINP(b)::QAR1(C),XP(b)
- P(b);::QAB1(C)
- P(b);OGATE,SBLOCK::QAB1(C)
- Refutation
- K(a);S_FLIGHT
- Try
- Q(C);CHECK
- Vars
- K(a);OGATE,S_FLIGHT::QAR1(C)
- Refutation
- K(a);P-FLIGHT,XQ(C)
- Try
- Actual
- S(B);
- Threat
- QAR1(C)
- Vars
- K(a);S_FLIGHT::QAR1(C)
- K(a);S_FLIGHT::QAB(C),XP(b)
- K(a);P-FLIGHT,P_SPINP(b)::R(A)
- P(b);OGATE,SBLOCK::QAB1(C)
- P(b);OGATE::QAB1(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).