MESON Chess Problem Database
Problem Display
PID: 17977 (2r2rB1/6pK/N4RP1/Q2P2RN/2pnk3/4n2b/1B2P3/6q1 w - - 0 1)
Krstic, Milorad
Problem (Zagreb), 1952
#2
11 + 9
SOLUTION
- SOUND
- Sets
- 1...Qa1
- 2.Sg3#
- 1...Qb1
- 2.Sg3#
- 1...Qc1
- 2.Sg3#
- 1...Qd1
- 2.Sg3#
- 1...Qf1
- 2.Sg3#
- 1...Qh1
- 2.Sg3#
- 1...Qg3
- 2.Sxg3#
- 1...Rc5
- 2.Sxc5#
- 1...Ra8
- 2.Sc5#
- 1...Rb8
- 2.Sc5#
- 1...Rcd8
- 2.Sc5#
- 1...Rce8
- 2.Sc5#
- 1...Rfd8
- 2.Rf4#
- 1...Rfe8
- 2.Rf4#
- 1...Rxg8
- 2.Rf4#
- 1...Bg2
- 2.Sg3#
- 1...Sc2
- 2.Re5#
- 1...Sb3
- 2.Re5#
- 1...Sb5
- 2.Re5#
- 1...Sf5
- 2.Re6#
- 1...Sc6
- 2.Sc5#
- 1...Se6
- 2.Re5#
- 1...Qa1
- Tries
- 1.Re6+?
- 1...Sxe6
- 2.Re5#
- 1...Bxe6!
- 1...Sxe6
- 1.Qc7?
- threat
- 2.Sc5#
- 2.Re5#
- 2.Qf4#
- 2.Qe5#
- 1...Qxg5
- 2.Sc5#
- 1...Rxf6
- 2.Sc5#
- 2.Re5#
- 2.Qe5#
- 1...Sxd5
- 2.Re5#
- 2.Qe5#
- 1...Sxe2
- 2.Sc5#
- 1...gxf6
- 2.Sc5#
- 2.Qf4#
- 1...Sd1
- 2.Re5#
- 2.Qf4#
- 2.Qe5#
- 1...Sf1
- 2.Re5#
- 2.Qf4#
- 2.Qe5#
- 1...Sec2
- 2.Re5#
- 2.Qf4#
- 2.Qe5#
- 1...Sg2
- 2.Re5#
- 2.Qe5#
- 1...Sg4
- 2.Qf4#
- 1...Sef5
- 2.Qf4#
- 1...Qf2
- 2.Sc5#
- 2.Re5#
- 2.Qe5#
- 1...Qh2
- 2.Sc5#
- 1...Qf1
- 2.Sg3#
- 2.Sc5#
- 2.Re5#
- 2.Qe5#
- 1...Qg3
- 2.Sxg3#
- 2.Sc5#
- 1...Qg4
- 2.Sc5#
- 2.Re5#
- 2.Qe5#
- 1...Rce8
- 2.Sc5#
- 2.Qf4#
- 1...Rfe8
- 2.Sc5#
- 2.Rf4#
- 2.Qf4#
- 1...Bf5
- 2.Sc5#
- 2.Qf4#
- 1...Sb3
- 2.Re5#
- 2.Qf4#
- 2.Qe5#
- 1...Sf3
- 2.Sc5#
- 2.Qf4#
- 1...Sdf5
- 2.Sc5#
- 2.Qf4#
- 2.Qe5#
- 1...Sc6
- 2.Sc5#
- 2.Qf4#
- 1...Se6
- 2.Re5#
- 2.Qe5#
- 1...Rxc7!
- threat
- 1.Re6+?
- Keys
- 1.Qd2!
- threat
- 2.Qxd4#
- 1...Sxd5
- 2.Bxd5#
- 1...Sxe2
- 2.Re5#
- 1...Sef5
- 2.Qf4#
- 1...Qd1
- 2.Sg3#
- 1...Sd1
- 2.Qf4#
- 1...Sf1
- 2.Qf4#
- 1...Sec2
- 2.Qf4#
- 1...Sg2
- 2.Sg3#
- 1...Sg4
- 2.Qf4#
- 1...Sdc2
- 2.Re5#
- 1...Sb3
- 2.Re5#
- 1...Sf3
- 2.exf3#
- 1...Sb5
- 2.Re5#
- 1...Sdf5
- 2.Re6#
- 1...Sc6
- 2.Sc5#
- 1...Se6
- 2.Re5#
- 1...c3
- 2.Qd3#
- threat
- 1.Qd2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 10
- REMOVED MATES = 15
- Sets
- Q(a);N_GUARD::S(F)
- Q(a);N_GUARD::S(F),XQ(a)
- R(h);N_GUARD::S(G),XR(h)
- R(h);N_GUARD::S(G)
- R(i);N_GUARD::R1(H)
- R(i);N_GUARD,XB(K)::R1(H)
- B(c);S_CUTQ(a)::S(F)
- S(e);::R1(E)
- S(e);N_GUARD,S_CUTB(c)::R(H)
- S(e);S_CUTR(h)::S(G)
- Tries
- Try
- R(H);CHECK
- Vars
- S(e);XR(H)::R1(E)
- Refutation
- B(c);XR(H)
- Try
- Q(C);
- Threat
- DUALS(4)
- Vars
- Q(a);XR(E)::S(G)
- S(e);XP(B)::S(G)
- S(b);::QAR1(C)
- Q(a);::S(G)
- Refutation
- R(h);XQ(C)
- Try
- Actual
- Q(C);
- Threat
- QAR1(C),XS(e)
- Vars
- S(b);OGATE,XP(D)::B(K),XS(b)
- S(e);XP(B)::R1(E)
- S(b);OGATE::QAR1(C)
- Q(a);N_GUARD::S(F)
- S(b);S_CUTQ(a)::S(F)
- S(e);::R1(E)
- S(e);OGATE::P(B),XS(e)
- S(e);N_GUARD,S_CUTB(c)::R(H)
- S(e);S_CUTR(h)::S(G)
- P(d);N_GUARD::QAB1(C)
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).