MESON Chess Problem Database
Problem Display
PID: 79674 (3r4/2Q1p3/1p2P3/2R5/p2k1pn1/3P4/Kn1P2Nr/NB4R1 w - - 0 1)
Mosiashvili, Givi
3rd HM., Israel Ring Ty., 2007
#2
10 + 9
| 721 | Variantim | 2008 |
SOLUTION
- SOUND
- Sets
- 1...Sf2
- 2.Qe5#
- 1...Se3
- 2.Qe5#
- 1...Se5
- 2.Qxe5#
- 1...Sf6
- 2.Qe5#
- 1...Sh6
- 2.Qe5#
- 1...a3
- 2.Sb3#
- 1...Sf2
- Tries
- 1.Se3?
- threat
- 2.Sf5#
- 1...Sxd3
- 2.Rc4#
- 1...Sxe3
- 2.Qe5#
- 1...fxe3
- 2.Rxg4#
- 1...bxc5
- 2.Qxf4#
- 1...Rd5
- 2.Rxd5#
- 1...Rf8
- 2.Rd5#
- 1...Sh6
- 2.Qe5#
- 1...Rh5!
- threat
- 1.Sxf4?
- threat
- 2.Sc2#
- 1...Sxd3
- 2.Rc4#
- 1...Se3
- 2.Qe5#
- 1...Rxd2!
- threat
- 1.Rgc1?
- threat
- 2.Qxf4#
- 2.Qxd8#
- 1...Sxd3
- 2.R1c4#
- 1...bxc5
- 2.Qxc5#
- 1...Rh5
- 2.Qxf4#
- 1...Rhh8
- 2.Qxf4#
- 1...Rd5
- 2.Qxf4#
- 1...Rd7
- 2.Qxf4#
- 2.Qxd7#
- 1...Ra8
- 2.Qxf4#
- 2.Qd7#
- 1...Rb8
- 2.Qxf4#
- 2.Qd7#
- 1...Rc8
- 2.Qxf4#
- 2.Qd7#
- 1...Re8
- 2.Qxf4#
- 2.Qd7#
- 1...Rf8
- 2.Qd7#
- 1...Rg8
- 2.Qxf4#
- 2.Qd7#
- 1...Rdh8
- 2.Qxf4#
- 2.Qd7#
- 1...Sc4
- 2.R1xc4#
- 1...Sf2
- 2.Qe5#
- 2.Qxd8#
- 1...Se3
- 2.Qxf4#
- 2.Qe5#
- 1...Se5
- 2.Qxe5#
- 1...Sf6
- 2.Qe5#
- 1...f3
- 2.Qf4#
- 2.Qxd8#
- 1...Rd6!
- threat
- 1.Rc4+?
- 1...Kd5
- 2.Sxf4#
- 1...Sxc4!
- 1...Kd5
- 1.Rb5?
- threat
- 2.Qxf4#
- 2.Qxb6#
- 2.Qxd8#
- 2.Qc3#
- 1...Rh5
- 2.Qxf4#
- 2.Qc3#
- 1...Rhh8
- 2.Qxf4#
- 2.Qxb6#
- 2.Qc3#
- 1...Rd5
- 2.Qxf4#
- 2.Qc3#
- 1...Rd6
- 2.Qc3#
- 1...Rd7
- 2.Qxf4#
- 2.Qxb6#
- 2.Qc3#
- 2.Qxd7#
- 1...Ra8
- 2.Qxf4#
- 2.Qxb6#
- 2.Qc3#
- 2.Qd7#
- 1...Rb8
- 2.Qxf4#
- 2.Qc3#
- 2.Qd7#
- 1...Rc8
- 2.Qxf4#
- 2.Qd7#
- 1...Re8
- 2.Qxf4#
- 2.Qxb6#
- 2.Qc3#
- 2.Qd7#
- 1...Rf8
- 2.Qxb6#
- 2.Qc3#
- 2.Qd7#
- 1...Rg8
- 2.Qxf4#
- 2.Qxb6#
- 2.Qc3#
- 2.Qd7#
- 1...Rdh8
- 2.Qxf4#
- 2.Qxb6#
- 2.Qc3#
- 2.Qd7#
- 1...Sd1
- 2.Qxf4#
- 2.Qxb6#
- 2.Qxd8#
- 2.Qc4#
- 1...Sc4
- 2.Qxf4#
- 2.Qxc4#
- 1...Sf2
- 2.Qe5#
- 2.Qxb6#
- 2.Qxd8#
- 2.Qc3#
- 1...Se3
- 2.Qxf4#
- 2.Qe5#
- 2.Qxb6#
- 2.Qc3#
- 1...Se5
- 2.Qxe5#
- 2.Qxb6#
- 2.Qc3#
- 1...Sf6
- 2.Qe5#
- 2.Qxb6#
- 2.Qc3#
- 1...f3
- 2.Qf4#
- 2.Qxb6#
- 2.Qxd8#
- 2.Qc3#
- 1...Sxd3!
- threat
- 1.Rd5+?
- 1...Rxd5
- 2.Qc3#
- 1...Kxd5!
- 1...Rxd5
- 1.Rf5?
- threat
- 2.Qxf4#
- 2.Qxb6#
- 2.Qxd8#
- 2.Qc3#
- 1...Se5
- 2.Qxe5#
- 1...Rhh8
- 2.Qxf4#
- 2.Qxb6#
- 2.Qc3#
- 1...Rd5
- 2.Rxf4#
- 2.Qc3#
- 1...Rd6
- 2.Qc3#
- 1...Rd7
- 2.Qxf4#
- 2.Qxb6#
- 2.Qc3#
- 2.Qxd7#
- 1...Ra8
- 2.Qxf4#
- 2.Qxb6#
- 2.Qc3#
- 2.Qd7#
- 1...Rb8
- 2.Qxf4#
- 2.Qc3#
- 2.Qd7#
- 1...Rc8
- 2.Qxf4#
- 2.Qd7#
- 1...Re8
- 2.Qxf4#
- 2.Qxb6#
- 2.Qc3#
- 2.Qd7#
- 1...Rf8
- 2.Qxf4#
- 2.Qxb6#
- 2.Qc3#
- 2.Qd7#
- 1...Rg8
- 2.Qxf4#
- 2.Qxb6#
- 2.Qc3#
- 2.Qd7#
- 1...Rdh8
- 2.Qxf4#
- 2.Qxb6#
- 2.Qc3#
- 2.Qd7#
- 1...Sd1
- 2.Qxf4#
- 2.Qxb6#
- 2.Qxd8#
- 2.Qc4#
- 1...Sc4
- 2.Qxf4#
- 2.Qxc4#
- 1...Sf2
- 2.Qe5#
- 2.Qxb6#
- 2.Qxd8#
- 2.Qc3#
- 1...Se3
- 2.Qxf4#
- 2.Qe5#
- 2.Qxb6#
- 2.Qc3#
- 1...Sf6
- 2.Qe5#
- 2.Qxb6#
- 2.Qc3#
- 1...f3
- 2.Qf4#
- 2.Qxb6#
- 2.Qxd8#
- 2.Qc3#
- 1...b5
- 2.Qxf4#
- 2.Qb6#
- 2.Qxd8#
- 2.Qc3#
- 2.Qc5#
- 2.Qa7#
- 1...Sxd3!
- threat
- 1.Rg5?
- threat
- 2.Qxf4#
- 2.Qxb6#
- 2.Qxd8#
- 2.Qc3#
- 1...Se5
- 2.Qxe5#
- 1...Rhh8
- 2.Qxf4#
- 2.Qxb6#
- 2.Qc3#
- 1...Rd5
- 2.Qc3#
- 1...Rd6
- 2.Qc3#
- 1...Rd7
- 2.Qxf4#
- 2.Qxb6#
- 2.Qc3#
- 2.Qxd7#
- 1...Ra8
- 2.Qxf4#
- 2.Qxb6#
- 2.Qc3#
- 2.Qd7#
- 1...Rb8
- 2.Qxf4#
- 2.Qc3#
- 2.Qd7#
- 1...Rc8
- 2.Qxf4#
- 2.Qd7#
- 1...Re8
- 2.Qxf4#
- 2.Qxb6#
- 2.Qc3#
- 2.Qd7#
- 1...Rf8
- 2.Qxb6#
- 2.Qc3#
- 2.Qd7#
- 1...Rg8
- 2.Qxf4#
- 2.Qxb6#
- 2.Qc3#
- 2.Qd7#
- 1...Rdh8
- 2.Qxf4#
- 2.Qxb6#
- 2.Qc3#
- 2.Qd7#
- 1...Sd1
- 2.Qxf4#
- 2.Qxb6#
- 2.Qxd8#
- 2.Qc4#
- 1...Sc4
- 2.Qxf4#
- 2.Qxc4#
- 1...Sf2
- 2.Qe5#
- 2.Qxb6#
- 2.Qxd8#
- 2.Qc3#
- 1...Se3
- 2.Qxf4#
- 2.Qe5#
- 2.Qxb6#
- 2.Qc3#
- 1...Sf6
- 2.Qe5#
- 2.Qxb6#
- 2.Qc3#
- 1...f3
- 2.Qf4#
- 2.Qxb6#
- 2.Qxd8#
- 2.Qc3#
- 1...b5
- 2.Qxf4#
- 2.Qb6#
- 2.Qxd8#
- 2.Qc3#
- 2.Qc5#
- 2.Qa7#
- 1...Sxd3!
- threat
- 1.Se3?
- Keys
- 1.Re1!
- threat
- 2.Re4#
- 1...Sxd3
- 2.Sc2#
- 1...bxc5
- 2.Qxd8#
- 1...Sf2
- 2.Qe5#
- 1...Se3
- 2.Qe5#
- 1...Sf6
- 2.Qe5#
- threat
- 1.Re1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 3
- Sets
- S(f);N_GUARD::QAB1(J)
- S(f);N_GUARD::QAB1(J),XS(f)
- P(c);N_GUARD::S(A)
- Tries
- Try
- S(F);
- Threat
- S(F)
- Vars
- S(a);N_GUARD,P_PINP(E),XP(G)::R1(H)
- S(f);N_GUARD,XS(F)::QAB1(J)
- P(e);OGATEB,XS(F)::R(C),XS(f)
- P(g);SBLOCK,XR(H)::QAR2(J),XP(e)
- R(i);N_GUARD::R1(H),XR(i)
- R(i);N_GUARD::R1(H)
- S(f);N_GUARD::QAB1(J)
- Refutation
- R(b);
- Try
- S(F);XP(e)
- Threat
- S(A)
- Vars
- S(a);N_GUARD,P_PINP(E),XP(G)::R1(H)
- S(f);N_GUARD::QAB1(J)
- Refutation
- R(b);XP(E)
- Try
- R(C);
- Threat
- DUALS(2)
- Vars
- S(a);N_GUARD,XP(G)::R1(C)
- P(g);OGATE,XR(H)::QAB1(J),XP(g)
- R(b);::QAR2(J),XP(e)
- R(i);::QAR2(J),XP(e)
- R(i);N_GUARD::QAR(J)
- S(a);N_GUARD::R1(C),XS(a)
- S(f);N_GUARD::QAB1(J),XS(f)
- S(f);N_GUARD::QAB1(J)
- Refutation
- R(i);
- Try
- R(H);CHECK
- Vars
- K(d);P-FLIGHT::S(F),XP(e)
- Refutation
- S(a);XR(H)
- Try
- R(H);
- Threat
- DUALS(4)
- Vars
- R(i);::QAB1(J)
- Refutation
- S(a);XP(G)
- Try
- R(H);CHECK
- Vars
- R(i);SBLOCK,XR(H)::QAB1(J)
- Refutation
- K(d);P-FLIGHT,XR(H)
- Try
- R(H);
- Threat
- DUALS(4)
- Vars
- S(f);N_GUARD::QAB1(J),XS(f)
- R(i);::QAB1(J)
- Refutation
- S(a);XP(G)
- Try
- R(H);
- Threat
- DUALS(4)
- Vars
- S(f);N_GUARD::QAB1(J),XS(f)
- R(i);::QAB1(J)
- Refutation
- S(a);XP(G)
- Try
- Actual
- R(C);
- Threat
- R1(C)
- Vars
- S(a);SBLOCK,XP(G)::S(A)
- P(g);SBLOCK,XR(H)::QAR(J),XR(i)
- S(f);N_GUARD::QAB1(J)
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).