MESON Chess Problem Database
Problem Display
PID: 168590 (5R2/8/8/1K6/3pNp2/4k3/6Q1/8 w - - 0 1)
Bantysh, Nikolai Ivanovich
Best Problems, 2004
#2
4 + 3
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...f3
- 2.Qxf3#
- 1...f3
- Tries
- 1.Kc4?
- 1...f3
- 2.Qxf3#
- 1...d3!
- 1...f3
- 1.Sc5?
- threat
- 2.Re8#
- 1...f3
- 2.Rxf3#
- 1...d3!
- threat
- 1.Sd6?
- 1...d3
- 2.Sf5#
- 1...f3
- 2.Rxf3#
- 1...Kd3!
- 1...d3
- 1.Rxf4?
- threat
- 2.Qf3#
- 2.Qd2#
- 1...Kd3
- 2.Qd2#
- 1...d3
- 2.Qf2#
- 1...Kxf4!
- threat
- 1.Qd2+?
- 1...Kf3
- 2.Rxf4#
- 1...Kxe4!
- 1...Kf3
- 1.Kc4?
- Keys
- 1.Re8!
- threat
- 2.Sc5#
- 1...Kd3
- 2.Qd2#
- 1...f3
- 2.Qd2#
- 1...d3
- 2.Qf2#
- threat
- 1.Re8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- P(c);::QAR1(A),XP(c)
- Tries
- Try
- K(C);S_FLIGHT
- Vars
- P(c);::QAR1(A),XP(c)
- Refutation
- P(b);
- Try
- S(B);
- Threat
- R(D)
- Vars
- P(c);OGATE::R1(D),XP(c)
- Refutation
- P(b);
- Try
- S(B);
- Vars
- P(b);SBLOCK::S(B)
- P(c);OGATE::R1(D),XP(c)
- Refutation
- K(a);P-FLIGHT
- Try
- R(D);XP(c)
- Threat
- DUALS(2)
- Vars
- K(a);P-FLIGHT::QAR1(A)
- P(b);SBLOCK::QAB1(A)
- Refutation
- K(a);S_FLIGHT,XR(D)
- Try
- Q(A);CHECK
- Vars
- K(a);P-FLIGHT,P_SPINP(c)::R1(D),XP(c)
- Refutation
- K(a);P-FLIGHT,XS(B)
- Try
- Actual
- R(D);
- Threat
- R(D)+S(B)
- Vars
- K(a);P-FLIGHT::QAR1(A)
- P(c);SBLOCK::QAB1(A)
- P(b);SBLOCK::QAB1(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).