MESON Chess Problem Database
Problem Display
PID: 179170 (8/8/2p5/R5P1/2Pk4/1P1P1r2/2K2P2/3R2B1 w - - 0 1)
Sayman, Umut
Phenix, 2014
#2
9 + 3
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Rxf2+
- 2.Bxf2#
- 1...Rxd3
- 2.f3#
- 1...Re3
- 2.fxe3#
- 1...Rg3
- 2.fxg3#
- 1...Rh3
- 2.f3#
- 1...Rf4
- 2.f3#
- 1...Rf5
- 2.f3#
- 2.f4#
- 1...Rf6
- 2.f3#
- 2.f4#
- 1...Rf7
- 2.f3#
- 2.f4#
- 1...Rf8
- 2.f3#
- 2.f4#
- 1...Rxf2+
- Tries
- 1.Kb2?
- 1...Rxf2+
- 2.Bxf2#
- 1...Rxd3
- 2.f3#
- 1...Re3
- 2.fxe3#
- 1...Rg3
- 2.fxg3#
- 1...Rh3
- 2.f3#
- 1...Rf4
- 2.f3#
- 1...Rf5
- 2.f3#
- 2.f4#
- 1...Rf6
- 2.f3#
- 2.f4#
- 1...Rf7
- 2.f3#
- 2.f4#
- 1...Rf8
- 2.f3#
- 2.f4#
- 1...c5!
- 1...Rxf2+
- 1.Re1?
- threat
- 2.Re4#
- 1...Rxf2+
- 2.Bxf2#
- 1...Re3
- 2.fxe3#
- 1...Rf4
- 2.f3#
- 1...Rxd3!
- threat
- 1.Rd2?
- 1...Rxf2
- 2.Bxf2#
- 1...Rxd3
- 2.f3#
- 1...Re3
- 2.fxe3#
- 1...Rg3
- 2.fxg3#
- 1...Rh3
- 2.f3#
- 1...Rf4
- 2.f3#
- 1...Rf5
- 2.f3#
- 2.f4#
- 1...Rf6
- 2.f3#
- 2.f4#
- 1...Rf7
- 2.f3#
- 2.f4#
- 1...Rf8
- 2.f3#
- 2.f4#
- 1...c5!
- 1...Rxf2
- 1.g6?
- 1...Rxf2+
- 2.Bxf2#
- 1...Rxd3
- 2.f3#
- 1...Re3
- 2.fxe3#
- 1...Rg3
- 2.fxg3#
- 1...Rh3
- 2.f3#
- 1...Rf4
- 2.f3#
- 1...Rf5
- 2.f3#
- 2.f4#
- 1...Rf6
- 2.f3#
- 2.f4#
- 1...Rf7
- 2.f3#
- 2.f4#
- 1...Rf8
- 2.f3#
- 2.f4#
- 1...c5!
- 1...Rxf2+
- 1.Kb2?
- Keys
- 1.Rf5!
- 1...Rxf2+
- 2.Bxf2#
- 1...Rxd3
- 2.f3#
- 1...Rxf5
- 2.f4#
- 1...Re3
- 2.fxe3#
- 1...Rg3
- 2.fxg3#
- 1...Rh3
- 2.f3#
- 1...Rf4
- 2.f3#
- 1...c5
- 2.Rd5#
- 1...Rxf2+
- 1.Rf5!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- R(a);CHECK,OGATE,P_SPINR(a),XP(D)::B(B),XR(a)
- R(a);OGATE,P_SPINR(a),XP(F)::B(B)+P(D)
- R(a);OGATE::P(D),XR(a)
- R(a);OGATE::B(B)+P(D),XR(a)
- R(a);OGATE::B(B)+P(D)
- Tries
- Try
- K(C);P-FLIGHT
- Vars
- R(a);CHECK,OGATE,P_SPINR(a),XP(D)::B(B),XR(a)
- R(a);OGATE,P_SPINR(a),XP(F)::B(B)+P(D)
- R(a);OGATE::P(D),XR(a)
- R(a);OGATE::B(B)+P(D),XR(a)
- R(a);OGATE::B(B)+P(D)
- Refutation
- P(c);
- Try
- R(A);
- Threat
- R1(A)
- Vars
- R(a);CHECK,OGATE,P_SPINR(a),XP(D)::B(B),XR(a)
- R(a);OGATE::P(D),XR(a)
- R(a);OGATE::B(B)+P(D)
- Refutation
- R(a);XP(F)
- Try
- R(A);
- Vars
- R(a);OGATE,P_PINR(A),P_SPINR(a),XP(D)::B(B),XR(a)
- R(a);OGATE,P_SPINR(a),XP(F)::B(B)+P(D)
- R(a);OGATE::P(D),XR(a)
- R(a);OGATE::B(B)+P(D),XR(a)
- R(a);OGATE::B(B)+P(D)
- Refutation
- P(c);
- Try
- P(I);
- Vars
- R(a);CHECK,OGATE,P_SPINR(a),XP(D)::B(B),XR(a)
- R(a);OGATE,P_SPINR(a),XP(F)::B(B)+P(D)
- R(a);OGATE::P(D),XR(a)
- R(a);OGATE::B(B)+P(D),XR(a)
- R(a);OGATE::B(B)+P(D)
- Refutation
- P(c);
- Try
- Actual
- R(H);
- Vars
- R(a);CHECK,OGATE,P_SPINR(a),XP(D)::B(B),XR(a)
- R(a);OGATE,P_SPINR(a),XP(F)::B(B)+P(D)
- R(a);OGATE,XR(H)::B(B)+P(D)
- R(a);OGATE::P(D),XR(a)
- R(a);OGATE::B(B)+P(D),XR(a)
- R(a);OGATE::B(B)+P(D)
- P(c);N_GUARD::R1(H)
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).