MESON Chess Problem Database
Problem Display
PID: 239195 (8/3QP3/4K3/6pN/8/7k/4R3/8 w - - 0 1)
Kozhakin, Vladimir Vladimirovich
Problemist Pribuzhya, 1990
#2
5 + 2
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Tries
- 1.Kd5+?
- 1...Kh4
- 2.Rh2#
- 1...g4!
- 1...Kh4
- 1.Ke5+?
- 1...Kh4
- 2.Rh2#
- 1...g4!
- 1...Kh4
- 1.Kf5?
- threat
- 2.Kxg5#
- 1...Kh4
- 2.Rh2#
- 1...g4!
- threat
- 1.Kd6+?
- 1...Kh4
- 2.Rh2#
- 1...g4!
- 1...Kh4
- 1.Kf6+?
- 1...Kh4
- 2.Rh2#
- 1...g4!
- 1...Kh4
- 1.Kf7+?
- 1...Kh4
- 2.Rh2#
- 1...g4!
- 1...Kh4
- 1.Rh2+?
- 1...Kg4
- 2.Qd1#
- 1...Kxh2!
- 1...Kg4
- 1.Kd5+?
- Keys
- 1.Qd1!
- 1...Kg4
- 2.Rh2#
- 1...Kh4
- 2.Rh2#
- 1...g4
- 2.Qh1#
- 1...Kg4
- 1.Qd1!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- Tries
- Try
- K(C);CHECK,S_FLIGHT
- Vars
- K(a);P-FLIGHT::R(A)
- Refutation
- P(b);P_SPINP(b)
- Try
- K(C);CHECK,P-FLIGHT
- Vars
- K(a);P-FLIGHT::R(A)
- Refutation
- P(b);P_SPINP(b)
- Try
- K(C);S_FLIGHT
- Threat
- QAB(D)+K(C),XP(b)
- Vars
- K(a);P-FLIGHT::R(A)
- Refutation
- P(b);
- Try
- K(C);CHECK,P-FLIGHT
- Vars
- K(a);P-FLIGHT::R(A)
- Refutation
- P(b);P_SPINP(b)
- Try
- K(C);CHECK,P-FLIGHT
- Vars
- K(a);P-FLIGHT::R(A)
- Refutation
- P(b);P_SPINP(b)
- Try
- K(C);CHECK,S_FLIGHT
- Vars
- K(a);P-FLIGHT::R(A)
- Refutation
- P(b);P_SPINP(b)
- Try
- R(A);CHECK
- Vars
- K(a);S_FLIGHT::QAB(D)
- Refutation
- K(a);P-FLIGHT,XR(A)
- Try
- Actual
- Q(D);
- Vars
- K(a);S_FLIGHT::QAB(D)+R(A)
- K(a);P-FLIGHT::R(A)
- P(b);SBLOCK::QAR2(D)
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).