MESON Chess Problem Database
Problem Display
PID: 155516 (8/1bPN1K2/R1p2PP1/1P1k2N1/nQ4pR/1P4p1/1rp4q/BB6 w - - 0 1)
Mosiashvili, Givi
The Problemist, 2014
#2
13 + 9
SOLUTION
- SOUND
- Sets
- 1...Qh1
- 2.Qd2#
- 1...Qd2
- 2.Qxd2#
- 1...Qh3
- 2.Qd2#
- 1...Qxh4
- 2.Qd2#
- 1...Rxb1
- 2.Qd4#
- 1...Ra2
- 2.Qd4#
- 1...Rxb3
- 2.Qd4#
- 1...Sc3
- 2.Qc5#
- 1...Sc5
- 2.Qxc5#
- 1...Sb6
- 2.Qc5#
- 1...c1Q
- 2.Be4#
- 1...c1S
- 2.Be4#
- 1...c1B
- 2.Be4#
- 1...c1R
- 2.Be4#
- 1...g2
- 2.Qd2#
- 1...cxb5
- 2.Rd6#
- 2.Qd6#
- 2.Qe4#
- 1...c5
- 2.Qc4#
- 2.Qe4#
- 1...Qh1
- Tries
- 1.Ke7?
- threat
- 2.Qd6#
- 2.Qc4#
- 2.Qe4#
- 1...Rxb3
- 2.Qxb3#
- 2.Qd4#
- 2.Qe4#
- 1...cxb1Q
- 2.Qd6#
- 2.Qc4#
- 1...cxb1B
- 2.Qd6#
- 2.Qc4#
- 1...cxb5
- 2.Rd6#
- 2.Qd6#
- 2.Qe4#
- 1...c1Q
- 2.Be4#
- 2.Qd6#
- 2.Qe4#
- 1...c1R
- 2.Be4#
- 2.Qd6#
- 2.Qe4#
- 1...Qh1
- 2.Qd2#
- 2.Qd6#
- 2.Qc4#
- 1...Qg2
- 2.Qd6#
- 2.Qc4#
- 1...Sc3
- 2.Qc5#
- 2.Qd6#
- 2.Qc4#
- 1...Sc5
- 2.Qxc5#
- 2.Qc4#
- 1...Sb6
- 2.Qc5#
- 2.Qd6#
- 2.Qe4#
- 1...g2
- 2.Qd2#
- 2.Qc4#
- 2.Qe4#
- 1...c5
- 2.Rd6#
- 2.Qc4#
- 2.Qe4#
- 1...Qe2+!
- threat
- 1.Sf3?
- threat
- 2.Qd4#
- 1...Qg1
- 2.Rh5#
- 1...Qf2
- 2.Rh5#
- 1...c5
- 2.Qc4#
- 1...Qd2!
- threat
- 1.Rxc6?
- threat
- 2.Rd6#
- 2.Qd6#
- 2.Qc4#
- 2.Qe4#
- 1...cxb1Q
- 2.Rd6#
- 2.Qd6#
- 2.Qc4#
- 1...cxb1B
- 2.Rd6#
- 2.Qd6#
- 2.Qc4#
- 1...c1Q
- 2.Be4#
- 2.Rd6#
- 2.Qd6#
- 2.Qe4#
- 1...c1R
- 2.Be4#
- 2.Rd6#
- 2.Qd6#
- 2.Qe4#
- 1...Qh1
- 2.Rd6#
- 2.Qd2#
- 2.Qd6#
- 2.Qc4#
- 1...Qe2
- 2.Rd6#
- 2.Qd6#
- 1...Qg2
- 2.Rd6#
- 2.Qd6#
- 2.Qc4#
- 1...Sc3
- 2.Rd6#
- 2.Qc5#
- 2.Qd6#
- 2.Qc4#
- 1...Sc5
- 2.Qxc5#
- 2.Qc4#
- 1...Sb6
- 2.Rd6#
- 2.Qc5#
- 2.Qd6#
- 2.Qe4#
- 1...g2
- 2.Qd2#
- 2.Qc4#
- 2.Qe4#
- 1...Bxc6!
- threat
- 1.Qf4?
- threat
- 2.Qe5#
- 1...Rxb3
- 2.Qd4#
- 1...g2
- 2.Qd2#
- 1...Qe2!
- threat
- 1.c8S?
- threat
- 2.Se7#
- 2.Qd6#
- 2.Qc4#
- 2.Qe4#
- 1...Rxb3
- 2.Se7#
- 2.Qxb3#
- 2.Qd4#
- 2.Qe4#
- 1...cxb1Q
- 2.Se7#
- 2.Qd6#
- 2.Qc4#
- 1...cxb1B
- 2.Se7#
- 2.Qd6#
- 2.Qc4#
- 1...cxb5
- 2.Se7#
- 2.Rd6#
- 2.Qd6#
- 2.Qe4#
- 1...c1Q
- 2.Se7#
- 2.Be4#
- 2.Qd6#
- 2.Qe4#
- 1...c1R
- 2.Se7#
- 2.Be4#
- 2.Qd6#
- 2.Qe4#
- 1...Qh1
- 2.Se7#
- 2.Qd2#
- 2.Qd6#
- 2.Qc4#
- 1...Qe2
- 2.Qd6#
- 1...Qg2
- 2.Se7#
- 2.Qd6#
- 2.Qc4#
- 1...Sc3
- 2.Scb6#
- 2.Se7#
- 2.Qc5#
- 2.Qd6#
- 2.Qc4#
- 1...Sc5
- 2.Qxc5#
- 2.Qc4#
- 1...Sb6
- 2.Scxb6#
- 2.Se7#
- 2.Qc5#
- 2.Qd6#
- 2.Qe4#
- 1...g2
- 2.Se7#
- 2.Qd2#
- 2.Qc4#
- 2.Qe4#
- 1...c5
- 2.Se7#
- 2.Rd6#
- 2.Qc4#
- 2.Qe4#
- 1...Bxc8!
- threat
- 1.Ke7?
- Keys
- 1.Se4!
- threat
- 2.Qc4#
- 1...Rxb3
- 2.Qd4#
- 1...cxb5
- 2.Rd6#
- 1...c1Q
- 2.Qd6#
- 1...c1R
- 2.Qd6#
- 1...Qe2
- 2.Rh5#
- 1...Sb6
- 2.Sc3#
- threat
- 1.Se4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 3
- ADDED MATES = 2
- REMOVED MATES = 11
- Sets
- Q(c);N_GUARD::QAR(D)
- Q(c);N_GUARD::QAR(D),XQ(c)
- Q(c);N_GUARD,XR(E)::QAR(D)
- R(a);XB(B)::QAR1(D)
- R(a);::QAR1(D)
- R(a);XP(C)::QAR1(D)
- S(e);N_GUARD::QAR1(D)
- S(e);N_GUARD::QAR1(D),XS(e)
- P(b);OGATE::B(B)
- P(d);S_CUTQ(c)::QAR(D)
- Tries
- Try
- K(M);P-FLIGHT
- Threat
- DUALS(3)
- Refutation
- Q(c);CHECK
- Try
- S(G);
- Threat
- QAR1(D)
- Vars
- Q(c);N_GUARD::R(E)
- P(h);::QAB1(D)
- Refutation
- Q(c);
- Try
- R(H);XP(h)
- Threat
- DUALS(4)
- Refutation
- B(i);XR(H)
- Try
- Q(D);
- Threat
- QAR1(D)
- Vars
- R(a);XP(C)::QAR1(D)
- P(d);S_CUTQ(c)::QAR(D)
- Refutation
- Q(c);
- Try
- P(K);
- Threat
- DUALS(4)
- Vars
- Q(c);::QAR1(D)
- Refutation
- B(i);XS(K)
- Try
- Actual
- S(G);
- Threat
- QAB1(D)
- Vars
- R(a);XP(C)::QAR1(D)
- P(h);OGATE,XP(F)::R1(H)
- P(b);::QAR1(D)
- Q(c);N_GUARD::R(E)
- S(e);N_GUARD::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).