MESON Chess Problem Database
Problem Display
PID: 266575 (2K5/2BR4/1Pr1k3/1N6/1p2r1P1/1P1N4/Q7/5R1B w - - 0 1)
Rice, John Michael
The Problemist, 1997
#2
11 + 4
SOLUTION
- SOUND
- Sets
- 1...Re1
- 2.Sd4#
- 2.Bd5#
- 1...Re2
- 2.Sd4#
- 2.Bd5#
- 2.Qxe2#
- 1...Re3
- 2.Sd4#
- 2.Bd5#
- 1...Rec4
- 2.Bd5#
- 1...Rd4
- 2.Sxd4#
- 1...Rxg4
- 2.Bd5#
- 1...Re5
- 2.Sd4#
- 1...Rc5
- 2.Sxc5#
- 1...Rxb6
- 2.Sc5#
- 1...Rxc7+
- 2.Sxc7#
- 1...Re1
- Tries
- 1.Kd8?
- 1...Rxg4
- 2.Bd5#
- 2.Re7#
- 1...Rxb6
- 2.Sc5#
- 1...Rxc7
- 2.Sxc7#
- 2.Rd6#
- 1...Rd6
- 2.Rxd6#
- 1...Re1
- 2.Sd4#
- 2.Bd5#
- 2.Re7#
- 1...Re2
- 2.Sd4#
- 2.Bd5#
- 2.Re7#
- 2.Qxe2#
- 1...Re3
- 2.Sd4#
- 2.Bd5#
- 2.Re7#
- 1...Rec4
- 2.Bd5#
- 2.Re7#
- 1...Rd4
- 2.Sxd4#
- 1...Re5
- 2.Sd4#
- 2.Re7#
- 1...Rc1
- 2.Rd6#
- 1...Rc2
- 2.Rd6#
- 1...Rc3
- 2.Rd6#
- 1...Rcc4
- 2.Rd6#
- 1...Rc5
- 2.Sxc5#
- 2.Rd6#
- 1...Rf4!
- 1...Rxg4
- 1.Bxe4?
- threat
- 2.Sd4#
- 2.Bd5#
- 1...Rxc7+
- 2.Sxc7#
- 1...Rc4
- 2.Bd5#
- 1...Rc5
- 2.Sxc5#
- 2.Sd4#
- 1...Rd6!
- threat
- 1.Re7+?
- 1...Kd5
- 2.Bxe4#
- 2.Rf5#
- 2.Re5#
- 1...Kxe7!
- 1...Kd5
- 1.Qe2?
- threat
- 2.Sd4#
- 2.Qxe4#
- 1...Rxc7+
- 2.Sxc7#
- 1...Rxe2
- 2.Sd4#
- 2.Bd5#
- 1...Rd6
- 2.Qxe4#
- 1...Re3
- 2.Sd4#
- 2.Bd5#
- 2.Qxe3#
- 1...Re5
- 2.Sd4#
- 2.Bd5#
- 2.Qxe5#
- 1...Rc5
- 2.Sxc5#
- 2.Sd4#
- 1...Rc4!
- threat
- 1.Qf2?
- threat
- 2.Qf5#
- 2.Qf6#
- 2.Qf7#
- 1...Rxc7+
- 2.Sxc7#
- 1...Rd6
- 2.Qf5#
- 2.Qf7#
- 1...Re5
- 2.Sd4#
- 2.Qf6#
- 2.Qf7#
- 1...Rc5
- 2.Sxc5#
- 2.Qf6#
- 2.Qf7#
- 1...Rf4!
- threat
- 1.Qg2?
- threat
- 2.Qxe4#
- 1...Rxc7+
- 2.Sxc7#
- 1...Rxg4
- 2.Qd5#
- 2.Qxc6#
- 2.Qxg4#
- 1...Rf4
- 2.Qxc6#
- 1...Re1
- 2.Sd4#
- 2.Qd5#
- 2.Qxc6#
- 1...Re2
- 2.Sd4#
- 2.Qd5#
- 2.Qxc6#
- 2.Qxe2#
- 1...Re3
- 2.Sd4#
- 2.Qd5#
- 2.Qxc6#
- 1...Rec4
- 2.Qd5#
- 1...Rd4
- 2.Sxd4#
- 1...Re5
- 2.Sd4#
- 2.Qxc6#
- 1...Rc5
- 2.Sxc5#
- 1...Rcc4!
- threat
- 1.Qh2?
- threat
- 2.Qh6#
- 1...Rxc7+
- 2.Sxc7#
- 1...Rxg4
- 2.Bd5#
- 2.Qe5#
- 1...Rd6
- 2.Qxd6#
- 1...Rf4!
- threat
- 1.Kd8?
- Keys
- 1.Qa8!
- threat
- 2.Qxc6#
- 1...Rxc7+
- 2.Sxc7#
- 1...Rxb6
- 2.Sc5#
- 2.Qxe4#
- 2.Qd5#
- 1...Rc1
- 2.Qxe4#
- 2.Qd5#
- 1...Rec4
- 2.Bd5#
- 1...Rd4
- 2.Sxd4#
- 1...Rc2
- 2.Qxe4#
- 2.Qd5#
- 1...Rc3
- 2.Qxe4#
- 2.Qd5#
- 1...Rcc4
- 2.Qd5#
- 1...Rc5
- 2.Sxc5#
- 1...Rd6
- 2.Qxe4#
- threat
- 1.Qa8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 3
- Sets
- R(b);::B(B)
- R(b);N_GUARD::S(G),XR(b)
- R(b);XP(F)::B(B)
- R(b);N_GUARD::S(G)
- R(c);N_GUARD::S(E),XR(c)
- R(c);N_GUARD,N_PINB(I),XP(H)::S(E)
- R(c);CHECK,XB(I)::S(G),XR(c)
- Tries
- Try
- K(K);N_SPINB(I),P-FLIGHT
- Vars
- R(c);N_GUARD,XP(H)::S(E)
- R(c);N_GUARD,P_PINR(J)::R1(J),XR(c)
- R(b);N_GUARD,P_PINR(J)::S(G),XR(b)
- R(c);N_GUARD::R1(J)
- Refutation
- R(b);
- Try
- B(B);XR(b)
- Threat
- DUALS(2)
- Vars
- R(c);CHECK,XB(I)::S(G),XR(c)
- R(c);::B(B)
- Refutation
- R(c);N_PINB(I)
- Try
- R(J);CHECK
- Refutation
- K(d);P-FLIGHT,XR(J)
- Try
- Q(C);P_PINR(b)
- Threat
- DUALS(2)
- Vars
- R(c);CHECK,XB(I)::S(G),XR(c)
- R(c);N_PINB(I)::QAR2(C),XR(b)
- Refutation
- R(c);
- Try
- Q(C);
- Threat
- DUALS(3)
- Vars
- R(c);CHECK,XB(I)::S(G),XR(c)
- Refutation
- R(b);
- Try
- Q(C);
- Threat
- QAR2(C),XR(b)
- Vars
- R(c);CHECK,XB(I)::S(G),XR(c)
- R(b);OGATE::QAR2(C),XR(c)
- R(b);OGATE::QAB1(C)
- R(b);N_GUARD::S(G),XR(b)
- R(c);N_GUARD::S(E),XR(c)
- Refutation
- R(c);
- Try
- Q(C);
- Threat
- QAR(C)
- Vars
- R(c);CHECK,XB(I)::S(G),XR(c)
- R(c);N_GUARD,N_PINB(I)::QAR1(C),XR(c)
- Refutation
- R(b);
- Try
- Actual
- Q(C);
- Threat
- QAR2(C),XR(c)
- Vars
- R(c);CHECK,XB(I)::S(G),XR(c)
- R(b);::B(B)
- R(b);N_GUARD::S(G),XR(b)
- R(c);OGATE::QAB1(C)
- R(c);N_GUARD::S(E),XR(c)
- R(c);N_PINB(I),OGATE::QAR2(C),XR(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).