MESON Chess Problem Database
Problem Display
PID: 7294 (3N4/4r3/8/1ppkPp2/nrRB1Qp1/8/1P3P2/4KB2 w - - 0 1)
Kovacevic, Marjan
7th HM., Netanya (Internet), 1999
#2
9 + 8
SOLUTION
- SOUND
- Sets
- 1...Rxc4
- 2.Bg2#
- 1...Rxe5+
- 2.Qxe5#
- 1...Sxb2
- 2.Rxc5#
- 1...Sc3
- 2.Rxc5#
- 1...Sb6
- 2.Rxc5#
- 1...g3
- 2.Qf3#
- 1...bxc4
- 2.Bg2#
- 1...cxd4
- 2.Qxd4#
- 1...Rxc4
- Tries
- 1.b3?
- threat
- 2.Bg2#
- 1...Rxe5+
- 2.Qxe5#
- 1...Sc3
- 2.Rxc5#
- 1...Rxb3!
- threat
- 1.e6?
- threat
- 2.Qe5#
- 1...cxd4
- 2.Qxd4#
- 1...Rxe6+!
- threat
- 1.b3?
- Keys
- 1.Qd2!
- threat
- 2.Bc3#
- 1...Rxe5+
- 2.Be3#
- 1...Ke4
- 2.Bg2#
- 1...Rxb2
- 2.Bxb2#
- 1...Rxc4
- 2.Bg2#
- 1...Sxb2
- 2.Bxb2#
- 1...bxc4
- 2.Bg2#
- 1...cxd4
- 2.Qxd4#
- 1...Sc3
- 2.Bxc3#
- threat
- 1.Qd2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 3
- ADDED MATES = 2
- REMOVED MATES = 2
- Sets
- R(b);SBLOCK,XR(E)::B(B)
- R(h);CHECK,OGATE,XP(H)::QAR1(G),XR(h)
- S(a);N_GUARD,XP(C)::R1(E),XP(e)
- S(a);N_GUARD::R1(E),XP(e)
- P(c);N_GUARD::QAB(G)
- P(d);SBLOCK,XR(E)::B(B)
- P(e);OGATE,XB(F)::QAR1(G),XP(e)
- Tries
- Try
- P(C);
- Threat
- B(B)
- Vars
- R(h);CHECK,OGATE,XP(H)::QAR1(G),XR(h)
- S(a);N_GUARD::R1(E),XP(e)
- Refutation
- R(b);XP(C)
- Try
- P(H);
- Threat
- QAR1(G)
- Vars
- P(e);OGATE,XB(F)::QAR1(G),XP(e)
- Refutation
- R(h);CHECK,XP(H)
- Try
- Actual
- Q(G);
- Threat
- QAR(G)+B(F)
- Vars
- R(h);CHECK,SBLOCK,XP(H)::QAR(G)+B(F)
- K(f);N_PINP(H),S_FLIGHT::B(B)
- R(b);OGATE,XP(C)::QAR(G)+B(F),XR(b)
- R(b);SBLOCK,XR(E)::B(B)
- S(a);OGATE,XP(C)::QAR(G)+B(F),XS(a)
- P(d);SBLOCK,XR(E)::B(B)
- P(e);OGATE,P_SPINP(e),XB(F)::QAR1(G),XP(e)
- S(a);::QAR(G)+B(F),XS(a)
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).