MESON Chess Problem Database
Problem Display
PID: 232922 (8/7p/4R2K/8/5pk1/8/1N5Q/8 w - - 0 1)
Evdokimov, Aleksey
Kudesnik, 2010
#2
4 + 3
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Kf5
- 2.Qh3#
- 1...Kf5
- Tries
- 1.Sd3?
- 1...Kf3
- 2.Qh3#
- 1...Kf5
- 2.Qh3#
- 1...f3!
- 1...Kf3
- 1.Sc4?
- 1...Kf5
- 2.Qh3#
- 1...f3
- 2.Se3#
- 1...Kf3!
- 1...Kf5
- 1.Re4?
- threat
- 2.Rxf4#
- 1...Kf5
- 2.Qxf4#
- 1...Kf3!
- threat
- 1.Re5?
- 1...f3
- 2.Rg5#
- 1...Kf3!
- 1...f3
- 1.Rf6?
- threat
- 2.Rxf4#
- 1...f3
- 2.Rf4#
- 1...Kf3!
- threat
- 1.Qg2+?
- 1...Kf5
- 2.Qh3#
- 1...Kh4!
- 1...Kf5
- 1.Sd3?
- Keys
- 1.Sd1!
- 1...Kf3
- 2.Qh3#
- 1...Kf5
- 2.Qh3#
- 1...f3
- 2.Se3#
- 1...Kf3
- 1.Sd1!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- K(b);S_FLIGHT::QAB(B)
- Tries
- Try
- S(A);
- Vars
- K(b);S_FLIGHT::QAR2(B)
- K(b);S_FLIGHT::QAB(B)
- Refutation
- P(a);
- Try
- S(A);
- Vars
- K(b);S_FLIGHT::QAB(B)
- P(a);N_GUARD,SBLOCK::S(A)
- Refutation
- K(b);S_FLIGHT
- Try
- R(C);P_PINP(a)
- Threat
- R1(C),XP(a)
- Vars
- K(b);N_SPINP(a),S_FLIGHT::QAR1(B),XP(a)
- Refutation
- K(b);N_SPINP(a),S_FLIGHT
- Try
- R(C);
- Vars
- P(a);SBLOCK::R1(C)
- Refutation
- K(b);S_FLIGHT
- Try
- R(C);
- Threat
- R1(C),XP(a)
- Vars
- P(a);::R1(C)
- Refutation
- K(b);P_SPINP(a),S_FLIGHT
- Try
- Q(B);CHECK
- Vars
- K(b);S_FLIGHT::QAB(B)
- Refutation
- K(b);P-FLIGHT
- Try
- Actual
- S(A);
- Vars
- K(b);S_FLIGHT::QAR2(B)
- K(b);S_FLIGHT::QAB(B)
- P(a);N_GUARD,SBLOCK::S(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).