MESON Chess Problem Database
Problem Display
PID: 75747 (4r3/N1P5/1QK1p3/1pR3N1/3kP1p1/2rb3n/1b2RP2/4BB2 w - - 0 1)
Stojnic, Dragan
2nd Comm., The Macedonian Problemist, 2002
#2
11 + 9
| 145 | StrateGems | 2005 |
| 5085 | The Macedonian Problemist | 2007 |
SOLUTION
- SOUND
- Sets
- 1...Rc4
- 2.Sxb5#
- 1...Rxc5+
- 2.Qxc5#
- 1...Ra8
- 2.Sxe6#
- 1...Rb8
- 2.Sxe6#
- 1...Rc8
- 2.Sxe6#
- 1...Rd8
- 2.Sxe6#
- 2.cxd8Q#
- 2.cxd8R#
- 1...Rf8
- 2.Sxe6#
- 1...Rg8
- 2.Sxe6#
- 1...Rh8
- 2.Sxe6#
- 1...Bc1
- 2.Bxc3#
- 1...Ba3
- 2.Bxc3#
- 1...Bc4
- 2.Rd5#
- 1...Bxe4+
- 2.Rxe4#
- 1...Sxf2
- 2.Bxf2#
- 1...g3
- 2.Sf3#
- 1...e5
- 2.Rxc3#
- 1...Rc4
- Tries
- 1.Kd6?
- threat
- 2.Sc6#
- 2.Rxc3#
- 1...Rxc5
- 2.Qxc5#
- 1...Bxe2
- 2.Rxc3#
- 1...Bxe4
- 2.Rxe4#
- 2.Rxc3#
- 1...Bb1
- 2.Rxc3#
- 1...Bc2
- 2.Rxc3#
- 1...Bc4
- 2.Rd5#
- 1...Rc1
- 2.Sc6#
- 2.Rxc1#
- 2.Rcc2#
- 2.Rc3#
- 1...Rc2
- 2.Sc6#
- 2.Rcxc2#
- 2.Rc3#
- 1...Ra3
- 2.Sc6#
- 2.Rc1#
- 2.Rcc2#
- 2.Rc3#
- 2.Rc6#
- 1...Rb3
- 2.Sc6#
- 2.Rc1#
- 2.Rcc2#
- 2.Rc3#
- 2.Rc6#
- 1...Rc4
- 2.Sxb5#
- 2.Sc6#
- 2.Rd5#
- 1...Rb8
- 2.Sxe6#
- 2.Sc6#
- 1...Ba3
- 2.Sc6#
- 2.Bxc3#
- 1...Rd8+!
- threat
- 1.e5?
- threat
- 2.Rxc3#
- 1...Rxc5+
- 2.Qxc5#
- 1...Be4+
- 2.Rxe4#
- 1...Bc4
- 2.Re4#
- 2.Rd5#
- 1...Rc1
- 2.Rxc1#
- 2.Rcc2#
- 2.Rc3#
- 1...Rc2
- 2.Rcxc2#
- 2.Rc3#
- 1...Ra3
- 2.Rc1#
- 2.Rcc2#
- 2.Rc3#
- 1...Rb3
- 2.Rc1#
- 2.Rcc2#
- 2.Rc3#
- 1...Rc4
- 2.Sxb5#
- 1...Rb8
- 2.Sxe6#
- 1...Ba3
- 2.Bxc3#
- 1...Bxe2!
- threat
- 1.Kd6?
- Keys
- 1.f4!
- threat
- 2.Rxc3#
- 1...Rxc5+
- 2.Qxc5#
- 1...Bxe4+
- 2.Rxe4#
- 1...Sxf4
- 2.Bf2#
- 1...gxf4 ep
- 2.Sxf3#
- 1...Bc4
- 2.Rd5#
- 1...Rc1
- 2.Rxc1#
- 2.Rcc2#
- 2.Rc3#
- 1...Rc2
- 2.Rcxc2#
- 2.Rc3#
- 1...Ra3
- 2.Rc1#
- 2.Rcc2#
- 2.Rc3#
- 1...Rb3
- 2.Rc1#
- 2.Rcc2#
- 2.Rc3#
- 1...Rc4
- 2.Sxb5#
- 1...Rb8
- 2.Sxe6#
- 1...Ba3
- 2.Bxc3#
- threat
- 1.f4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 9
- Sets
- R(b);S_CUTB(c)::S(J),XP(g)
- R(b);CHECK,OGATE,P_SPINR(b),XR(F)::QAB1(H),XR(b)
- R(i);N_GUARD::S(G),XP(h)
- R(i);N_GUARD,P_PINP(K)::S(G),XP(h)
- B(a);N_GUARD::B(A),XR(b)
- B(c);N_PINR(F),SBLOCK::QAB(H)+R(F),DCHECK
- B(c);CHECK,OGATE,XP(E)::R1(C),XB(c)
- S(d);OGATE,XP(D)::B(A),XS(d)
- P(f);N_GUARD::S(G)
- P(h);SBLOCK::QAB(H)+R(F),XR(b)
- Tries
- Try
- K(I);N_SPINR(F),P-FLIGHT
- Threat
- DUALS(2)
- Vars
- R(b);OGATE,P_SPINR(b),XR(F)::QAB1(H),XR(b)
- B(c);XR(C)::QAB(H)+R(F),XR(b)
- B(c);::QAB(H)+R(F),XR(b)
- B(c);SBLOCK::QAB(H)+R(F),DCHECK
- Refutation
- R(i);CHECK
- Try
- P(E);
- Threat
- QAB(H)+R(F),XR(b)
- Vars
- R(b);CHECK,OGATE,P_SPINR(b),XR(F)::QAB1(H),XR(b)
- B(c);CHECK,N_GUARD::R1(C),XB(c)
- R(b);S_CUTB(c)::S(J),XP(g)
- R(i);N_GUARD::S(G),XP(h)
- B(a);N_GUARD::B(A),XR(b)
- Refutation
- B(c);XR(C)
- Try
- Actual
- P(D);
- Threat
- QAB(H)+R(F),XR(b)
- Vars
- R(b);CHECK,OGATE,P_SPINR(b),XR(F)::QAB1(H),XR(b)
- B(c);CHECK,OGATE,XP(E)::R1(C),XB(c)
- S(d);N_GUARD,XP(D)::B(A)
- P(f);EP,N_GUARD,XP(D)::S(G),XP(f)
- B(c);N_PINR(F),SBLOCK::QAB(H)+R(F),DCHECK
- R(b);S_CUTB(c)::S(J),XP(g)
- R(i);N_GUARD::S(G),XP(h)
- B(a);N_GUARD::B(A),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).