MESON Chess Problem Database
Problem Display
PID: 139606 (1Bn5/8/2N1p1N1/1p1kp2K/3P1b1R/5np1/2Q3R1/5r1B w - - 0 1)
Rice, John Michael
Rochade Europa, 2011
#2
9 + 9
SOLUTION
- SOUND
- Sets
- 1...Bc1
- 2.Sb4#
- 2.Qc5#
- 1...Bd2
- 2.Qc5#
- 1...Be3
- 2.Sb4#
- 2.Qc5#
- 1...Bg5
- 2.Sb4#
- 2.Qc5#
- 1...Bh6
- 2.Sb4#
- 2.Qc5#
- 1...Sxd4
- 2.Sb4#
- 1...Sb6
- 2.Sge7#
- 1...Sd6
- 2.Sge7#
- 1...Sa7
- 2.Sge7#
- 1...Se7
- 2.Sgxe7#
- 1...exd4
- 2.Sb4#
- 2.Sxf4#
- 1...e4
- 2.Sxf4#
- 2.Qc5#
- 1...Bc1
- Tries
- 1.Bxe5?
- threat
- 2.Sb4#
- 2.Sxf4#
- 1...Bxe5
- 2.Qc5#
- 1...Sxd4
- 2.Sb4#
- 1...Sxh4
- 2.Sb4#
- 1...Rb1
- 2.Sxf4#
- 1...Bc1
- 2.Sb4#
- 2.Qc5#
- 1...Bd2
- 2.Qc5#
- 1...Be3
- 2.Sb4#
- 2.Qc5#
- 1...Bg5
- 2.Sb4#
- 2.Qc5#
- 1...Bh6
- 2.Sb4#
- 2.Qc5#
- 1...Se1
- 2.Sb4#
- 1...Sg1
- 2.Sb4#
- 1...Sd2
- 2.Sb4#
- 1...Sh2
- 2.Sb4#
- 1...Sg5
- 2.Sb4#
- 1...b4
- 2.Sxb4#
- 2.Sxf4#
- 1...Sxe5!
- threat
- 1.Rd2?
- threat
- 2.Sb4#
- 1...Bxd2
- 2.Qc5#
- 1...b4
- 2.Sxb4#
- 1...Rb1!
- threat
- 1.Re2?
- threat
- 2.Qc5#
- 1...exd4
- 2.Sb4#
- 2.Sxf4#
- 1...Rc1!
- threat
- 1.Rxf4?
- threat
- 2.Sb4#
- 2.Qc5#
- 1...Sxd4
- 2.Sb4#
- 1...exd4
- 2.Sb4#
- 1...exf4
- 2.Sxf4#
- 1...Rb1
- 2.Qc5#
- 1...Rc1
- 2.Sb4#
- 1...b4
- 2.Sxb4#
- 2.Qc5#
- 1...e4
- 2.Qc5#
- 1...Rxh1+!
- threat
- 1.Bxe5?
- Keys
- 1.dxe5!
- threat
- 2.Sxf4#
- 1...Bxe5
- 2.Sb4#
- 1...Sxh4
- 2.Rd2#
- 1...Sxe5
- 2.Rd2#
- 1...Bc1
- 2.Sb4#
- 1...Bd2
- 2.Rxd2#
- 1...Be3
- 2.Sb4#
- 1...Bg5
- 2.Sb4#
- 1...Bh6
- 2.Sb4#
- 1...Se1
- 2.Rd2#
- 1...Sg1
- 2.Rd2#
- 1...Sd2
- 2.Rxd2#
- 1...Sh2
- 2.Rd2#
- 1...Sd4
- 2.Sb4#
- 1...Sg5
- 2.Rd2#
- threat
- 1.dxe5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 12
- REMOVED MATES = 4
- Sets
- B(d);::QAR1(B)
- S(b);SBLOCK,XP(D)::S(G)
- S(i);N_GUARD::S(H)
- S(i);N_GUARD::S(H),XS(i)
- Tries
- Try
- B(I);XP(g)
- Threat
- DUALS(2)
- Vars
- B(d);XB(I)::QAR1(B)
- S(b);XP(D)::S(G)
- S(b);XR(E)::S(G)
- R(a);::S(H),XB(d)
- B(d);::QAR1(B)
- S(b);::S(G)
- Refutation
- S(b);XB(I)
- Try
- R(C);P_PINS(b)
- Threat
- S(G)
- Vars
- B(d);XR(C)::QAR1(B)
- P(e);::S(G),XP(e)
- Refutation
- R(a);
- Try
- R(C);P_PINS(b)
- Threat
- QAR1(B)
- Refutation
- R(a);
- Try
- R(E);XB(d)
- Threat
- DUALS(2)
- Vars
- S(b);XP(D)::S(G)
- P(g);XP(D)::S(G)
- P(g);XR(E)::S(H),XP(g)
- R(a);::QAR1(B)
- R(a);::S(G)
- P(g);::QAR1(B)
- Refutation
- R(a);CHECK,XB(A)
- Try
- Actual
- P(D);XP(g)
- Threat
- S(H),XB(d)
- Vars
- B(d);XP(D)::S(G)
- S(b);XR(E)::B(A)+R(C),DCHECK
- S(b);XP(D)::B(A)+R(C),DCHECK
- B(d);::S(G)
- B(d);N_GUARD::R(C),XB(d)
- S(b);::B(A)+R(C),DCHECK
- S(b);::B(A)+R(C),DCHECK,XS(b)
- S(b);SBLOCK::S(G)
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).