MESON Chess Problem Database
Problem Display
PID: 268978 (1r1N4/1PB5/3Pp3/KB1kp1N1/2RPp2R/1p1b1r2/7b/3Q4 w - - 0 1)
Einat, Paz
Navon, Emanuel
20/27 Place, 09. WCCT, 2012-2013
#2
11 + 9
SOLUTION
- SOUND
- Sets
- 1...Ra8+
- 2.bxa8Q#
- 2.bxa8B#
- 1...Bb1
- 2.Rc5#
- 1...Bf1
- 2.Rc5#
- 1...Bc2
- 2.Rc5#
- 1...Be2
- 2.Rc5#
- 1...Bxc4
- 2.Bc6#
- 1...e3
- 2.Rc5#
- 1...Ra8+
- Tries
- 1.Kb4?
- threat
- 2.Bc6#
- 1...exd4
- 2.Rc5#
- 1...Rxb7!
- threat
- 1.Sxf3?
- threat
- 2.Rc5#
- 1...Ra8+
- 2.bxa8Q#
- 2.bxa8B#
- 1...Bxc4
- 2.Bc6#
- 1...exd4!
- threat
- 1.Sgxe6?
- threat
- 2.Rc5#
- 1...Ra8+
- 2.bxa8Q#
- 2.bxa8B#
- 1...Bxc4
- 2.Bc6#
- 1...Rxd8!
- threat
- 1.Sdxe6?
- threat
- 2.Rc5#
- 1...Ra8+
- 2.bxa8Q#
- 2.bxa8B#
- 1...Bxc4!
- threat
- 1.Rxe4?
- threat
- 2.Rc5#
- 1...Ra8+
- 2.bxa8Q#
- 2.bxa8B#
- 1...Bxc4
- 2.Bc6#
- 1...exd4!
- threat
- 1.Qxb3?
- threat
- 2.Bc6#
- 1...Ra8+
- 2.bxa8Q#
- 2.bxa8B#
- 1...Bxc4
- 2.Qxc4#
- 1...exd4!
- threat
- 1.Qa1?
- threat
- 2.Rc5#
- 1...Ra8+
- 2.bxa8Q#
- 2.bxa8B#
- 1...Bxc4
- 2.Bc6#
- 1...exd4
- 2.Qxd4#
- 1...b2!
- threat
- 1.Qc1?
- threat
- 2.Bc6#
- 1...Ra8+
- 2.bxa8Q#
- 2.bxa8B#
- 1...Bxc4
- 2.Qxc4#
- 1...exd4
- 2.Rc5#
- 1...Bc2!
- threat
- 1.Qxd3?
- threat
- 2.Bc6#
- 2.Rc5#
- 2.Qxe4#
- 1...Ra8+
- 2.bxa8Q#
- 2.bxa8B#
- 1...exd3
- 2.Rc5#
- 1...exd4
- 2.Qxe4#
- 2.Qxd4#
- 1...Re3
- 2.Bc6#
- 2.Rc5#
- 1...Rf4
- 2.Bc6#
- 2.Rc5#
- 1...e3
- 2.Bc6#
- 2.Rc5#
- 2.Qe4#
- 1...Rxd3!
- threat
- 1.Kb4?
- Keys
- 1.Sxe4!
- threat
- 2.Sc3#
- 1...Ra8+
- 2.bxa8Q#
- 2.bxa8B#
- 1...Bxc4
- 2.Bc6#
- 1...Bxe4
- 2.Rc5#
- 1...exd4
- 2.Rc5#
- 1...Bb1
- 2.Rc5#
- 1...Bf1
- 2.Rc5#
- 1...Bc2
- 2.Rc5#
- 1...Be2
- 2.Rc5#
- threat
- 1.Sxe4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 1
- Sets
- R(i);CHECK,OGATE::PXR(i)=Q
- B(c);::R1(B)
- B(c);SBLOCK,XR(B)::B(F)
- P(e);::R1(B)
- Tries
- Try
- K(E);S_FLIGHT
- Threat
- B(F)
- Vars
- P(g);SBLOCK,XP(C)::R1(B)
- Refutation
- R(i);P_PINB(F),XP(I)
- Try
- S(G);XR(d)
- Threat
- R1(B)
- Vars
- R(i);CHECK,OGATE::PXR(i)=Q
- B(c);SBLOCK,XR(B)::B(F)
- Refutation
- P(g);XP(C)
- Try
- S(G);XP(h)
- Threat
- R1(B)
- Vars
- R(i);CHECK,OGATE::PXR(i)=Q
- B(c);SBLOCK,XR(B)::B(F)
- Refutation
- R(i);XS(K)
- Try
- S(K);XP(h)
- Threat
- R1(B)
- Vars
- R(i);CHECK,OGATE::PXR(i)=Q
- Refutation
- B(c);XR(B)
- Try
- R(D);XP(e)
- Threat
- R1(B)
- Vars
- R(i);CHECK,OGATE::PXR(i)=Q
- B(c);SBLOCK,XR(B)::B(F)
- Refutation
- P(g);XP(C)
- Try
- Q(A);XP(b)
- Threat
- B(F)
- Vars
- R(i);CHECK,OGATE::PXR(i)=Q
- B(c);OGATE,P_SPINB(c),XR(B)::QAB1(A),XB(c)
- Refutation
- P(g);XP(C)
- Try
- Q(A);
- Threat
- R1(B)
- Vars
- R(i);CHECK,OGATE::PXR(i)=Q
- B(c);SBLOCK,XR(B)::B(F)
- P(g);OGATE,XP(C)::QAR1(A),XP(g)
- Refutation
- P(b);
- Try
- Q(A);
- Threat
- B(F)
- Vars
- R(i);CHECK,OGATE::PXR(i)=Q
- B(c);OGATE,XR(B)::QAB1(A),XB(c)
- P(g);SBLOCK,XP(C)::R1(B)
- Refutation
- B(c);
- Try
- Q(A);XB(c)
- Threat
- DUALS(3)
- Vars
- R(i);CHECK,OGATE::PXR(i)=Q
- P(e);XQ(A)::R1(B)
- Refutation
- R(d);XQ(A)
- Try
- Actual
- S(G);XP(e)
- Threat
- S(G)
- Vars
- R(i);CHECK,OGATE::PXR(i)=Q
- B(c);SBLOCK,XR(B)::B(F)
- B(c);XS(G)::R1(B)
- P(g);SBLOCK,XP(C)::R1(B)
- B(c);::R1(B)
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).