MESON Chess Problem Database
Problem Display
PID: 253621 (6K1/1pNBpR2/3n4/4N3/2Rbkp2/3pBp2/2rpbP2/1Q6 w - - 0 1)
Mosiashvili, Givi
Problemist Ukraini, 2021
#2
9 + 11
SOLUTION
- SOUND
- Tries
- 1.Sxd3?
- threat
- 2.Rxd4#
- 1...Kxd3
- 2.Qxc2#
- 1...Rxc4
- 2.Rxf4#
- 1...Bxd3
- 2.Rxe7#
- 1...Sxc4
- 2.Bf5#
- 1...Sb5
- 2.Bf5#
- 1...Sf5
- 2.Bxf5#
- 1...e5
- 2.Sc5#
- 1...fxe3!
- threat
- 1.Sg4?
- threat
- 2.Rxd4#
- 2.Rxf4#
- 2.Rxe7#
- 1...Rxc4
- 2.Rxf4#
- 1...Sxc4
- 2.Bf5#
- 2.Rxf4#
- 2.Qxb7#
- 1...Sxf7
- 2.Rxd4#
- 2.Qxb7#
- 1...Sb5
- 2.Bf5#
- 2.Rxf4#
- 2.Rxe7#
- 1...Sf5
- 2.Bxf5#
- 2.Qxb7#
- 1...Sc8
- 2.Bf5#
- 2.Rxd4#
- 2.Rxf4#
- 2.Qxb7#
- 1...e5
- 2.Sf6#
- 1...e6
- 2.Rxd4#
- 2.Rxf4#
- 1...fxe3!
- threat
- 1.Sc6?
- threat
- 2.Rxd4#
- 2.Rxf4#
- 2.Rxe7#
- 1...Rxc4
- 2.Rxf4#
- 1...Sxc4
- 2.Bf5#
- 2.Rxf4#
- 1...Sxf7
- 2.Rxd4#
- 1...fxe3
- 2.Rxd4#
- 1...bxc6
- 2.Rxe7#
- 1...Sb5
- 2.Bf5#
- 2.Rxf4#
- 2.Rxe7#
- 1...Sf5
- 2.Bxf5#
- 1...Sc8
- 2.Bf5#
- 2.Rxd4#
- 2.Rxf4#
- 1...e6
- 2.Rxd4#
- 2.Rxf4#
- 1...e5!
- threat
- 1.Sg6?
- threat
- 2.Rxd4#
- 2.Rxf4#
- 2.Rxe7#
- 1...Rxc4
- 2.Rxf4#
- 1...Sxc4
- 2.Bf5#
- 2.Rxf4#
- 2.Qxb7#
- 1...Sxf7
- 2.Rxd4#
- 2.Qxb7#
- 1...fxe3
- 2.Rf4#
- 2.Rxe7#
- 1...Sb5
- 2.Bf5#
- 2.Rxf4#
- 2.Rxe7#
- 1...Sf5
- 2.Bxf5#
- 2.Qxb7#
- 1...Sc8
- 2.Bf5#
- 2.Rxd4#
- 2.Rxf4#
- 2.Qxb7#
- 1...e6
- 2.Rxd4#
- 2.Rxf4#
- 1...e5!
- threat
- 1.Bf5+?
- 1...Kxe5
- 2.Bxd4#
- 1...Sxf5!
- 1...Kxe5
- 1.Bc6+?
- 1...Kxe5
- 2.Bxd4#
- 2.Bxf4#
- 1...bxc6!
- 1...Kxe5
- 1.Rxe7?
- threat
- 2.Sg4#
- 2.Sc6#
- 2.Sg6#
- 2.Sf7#
- 2.Rxd4#
- 1...Sxc4
- 2.Qxb7#
- 1...fxe3
- 2.Sg6#
- 1...Sb5
- 2.Sg4#
- 2.Sc6#
- 2.Sg6#
- 2.Sf7#
- 1...Sf5
- 2.Qxb7#
- 1...Sf7
- 2.Sxf7#
- 2.Rxd4#
- 2.Qxb7#
- 1...Sc8
- 2.Rxd4#
- 2.Qxb7#
- 1...Rxc4!
- threat
- 1.Qb5?
- threat
- 2.Rxd4#
- 2.Rxf4#
- 2.Qd5#
- 1...Rxc4
- 2.Rxf4#
- 2.Qd5#
- 1...Sxc4
- 2.Bf5#
- 2.Rxf4#
- 2.Qd5#
- 1...Sxf7
- 2.Rxd4#
- 2.Qd5#
- 1...fxe3
- 2.Qd5#
- 1...Sf5
- 2.Bxf5#
- 2.Qd5#
- 1...e6
- 2.Rxd4#
- 2.Rxf4#
- 1...Sxb5!
- threat
- 1.Qxb7+?
- 1...Kxe5
- 2.Bxd4#
- 2.Bxf4#
- 2.Qd5#
- 1...Sxb7!
- 1...Kxe5
- 1.Sxd3?
- Keys
- 1.Sxf3!
- threat
- 2.Rxf4#
- 1...Kxf3
- 2.Qh1#
- 1...Bxf3
- 2.Rxe7#
- 1...Sxf7
- 2.Qxb7#
- 1...fxe3
- 2.Rxd4#
- 1...Sf5
- 2.Qxb7#
- 1...e5
- 2.Sg5#
- threat
- 1.Sxf3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 6
- REMOVED MATES = 0
- Sets
- Tries
- Try
- S(E);XP(d)
- Threat
- R1(D),XB(f)
- Vars
- K(g);N_SPINB(f),OGATEB,P_SPINR(a),S_FLIGHT,XS(E)::QAB1(A),XR(a)
- R(a);N_SPINB(f),XR(D)::R1(H),XP(h)
- B(c);SBLOCK,XS(E)::R(H),XP(k)
- S(i);N_GUARD,N_SPINB(f),XR(D)::B(G)
- S(i);N_GUARD::B(G)
- S(i);N_GUARD::B(G),XS(i)
- P(k);SBLOCK::S(E)
- Refutation
- P(h);XB(C)
- Try
- S(E);
- Threat
- DUALS(3)
- Vars
- R(a);N_SPINB(f),P_SPINP(d),XR(D)::R1(H),XP(h)
- P(k);N_GUARD,SBLOCK::S(E)
- Refutation
- P(h);XB(C)
- Try
- S(E);
- Threat
- DUALS(3)
- Vars
- R(a);N_SPINB(f),P_SPINP(d),XR(D)::R1(H),XP(h)
- S(i);XR(H)::R1(D),XB(f)
- P(h);XB(C)::R1(D),XB(f)
- P(j);XS(E)::R(H),XP(k)
- S(i);N_GUARD::B(G),XS(i)
- Refutation
- P(k);
- Try
- S(E);
- Threat
- DUALS(3)
- Vars
- R(a);N_SPINB(f),P_SPINP(d),XR(D)::R1(H),XP(h)
- Refutation
- P(k);
- Try
- B(G);CHECK
- Vars
- K(g);N_SPINB(f),P-FLIGHT,S_CUTS(i),XS(E)::B(C),XB(f)
- Refutation
- S(i);XB(G)
- Try
- B(G);CHECK
- Refutation
- P(j);XB(G)
- Try
- R(H);XP(k)
- Threat
- DUALS(5)
- Vars
- S(i);N_GUARD,N_SPINB(f),XR(D)::QAB(A),XP(j)
- P(h);XB(C)::R(H)+S(E)
- S(i);N_GUARD::QAB(A),XP(j)
- Refutation
- R(a);N_SPINB(f),P_SPINP(d),XR(D)
- Try
- Q(A);
- Threat
- DUALS(3)
- Vars
- P(h);XB(C)::QAB1(A)
- Refutation
- S(i);XQ(A)
- Try
- Q(A);CHECK,XP(j)
- Refutation
- S(i);XQ(A)
- Try
- Actual
- S(E);XP(e)
- Threat
- R1(H),XP(h)
- Vars
- K(g);N_SPINB(f),OGATEB,P_SPINP(h),S_FLIGHT,XS(E)::QAB(A)
- B(c);SBLOCK,XS(E)::R(H),XP(k)
- S(i);N_GUARD,XR(H)::QAB(A),XP(j)
- P(h);XB(C)::R1(D),XB(f)
- S(i);N_GUARD::QAB(A),XP(j)
- P(k);SBLOCK::S(E)
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).