MESON Chess Problem Database
Problem Display
PID: 147890 (b5Bb/2P2r1r/1n1p2P1/KQ1NppN1/2pk4/2R3p1/3P1q2/3Rn1B1 w - - 0 1)
Mosiashvili, Givi
Die Schwalbe, 2012
#2
11 + 13
SOLUTION
- SOUND
- Sets
- 1...Qe3
- 2.Bxe3#
- 2.dxe3#
- 1...Rf6
- 2.Qxb6#
- 1...Rd7
- 2.Qxb6#
- 1...Re7
- 2.Qxb6#
- 1...Rfg7
- 2.Qxb6#
- 1...Rf8
- 2.Qxb6#
- 1...Bxd5
- 2.Qxb6#
- 1...Sa4
- 2.Qxc4#
- 1...Sxd5
- 2.Qxc4#
- 1...Sd7
- 2.Qxc4#
- 1...Sc8
- 2.Qxc4#
- 1...g2
- 2.Bxf2#
- 1...Qe3
- Tries
- 1.Sb4?
- threat
- 2.Qxb6#
- 1...Sd3
- 2.Sc2#
- 1...Sa4
- 2.Rxc4#
- 2.Qxc4#
- 1...Sd5
- 2.Rxc4#
- 2.Qxc4#
- 1...Sd7
- 2.Rxc4#
- 2.Qxc4#
- 1...Sc8
- 2.Rxc4#
- 2.Qxc4#
- 1...e4
- 2.Se6#
- 1...Rxc7!
- threat
- 1.Sf4?
- threat
- 2.Se2#
- 2.Sfe6#
- 2.Qxb6#
- 1...Rxc7
- 2.Se2#
- 2.Sfe6#
- 1...Rf6
- 2.Se2#
- 2.Qxb6#
- 1...Re7
- 2.Se2#
- 2.Qxb6#
- 1...Bf3
- 2.Sfe6#
- 2.Qxb6#
- 1...Bd5
- 2.Se2#
- 2.Qxb6#
- 1...Sd3
- 2.Se2#
- 2.Sfe6#
- 1...Sa4
- 2.Se2#
- 2.Sfe6#
- 2.Rxc4#
- 2.Qxc4#
- 1...Sd5
- 2.Se2#
- 2.Sfe6#
- 2.Rxc4#
- 2.Qxc4#
- 1...Sd7
- 2.Se2#
- 2.Sfe6#
- 2.Rxc4#
- 2.Qxc4#
- 1...Sc8
- 2.Se2#
- 2.Sfe6#
- 2.Rxc4#
- 2.Qxc4#
- 1...e4
- 2.Se2#
- 2.Sfe6#
- 2.Sge6#
- 1...exf4!
- threat
- 1.Sf6?
- threat
- 2.Se6#
- 2.Qxb6#
- 1...Rxf6
- 2.Qxb6#
- 1...Rxc7
- 2.Se6#
- 1...Re7
- 2.Qxb6#
- 1...Bd5
- 2.Qxb6#
- 1...Sd3
- 2.Se6#
- 1...Sa4
- 2.Se6#
- 2.Qxc4#
- 1...Sd5
- 2.Se6#
- 2.Qxc4#
- 1...Sd7
- 2.Se6#
- 2.Qxc4#
- 1...Sc8
- 2.Se6#
- 2.Qxc4#
- 1...e4
- 2.Se6#
- 1...Bxf6!
- threat
- 1.Se7?
- threat
- 2.Qxb6#
- 1...Sa4
- 2.Qxc4#
- 1...Sd5
- 2.Qxc4#
- 1...Sd7
- 2.Qxc4#
- 1...Sc8
- 2.Qxc4#
- 1...e4
- 2.Se6#
- 1...Sd3!
- threat
- 1.Rxe1?
- threat
- 2.Sf3#
- 2.Se6#
- 1...Bxd5
- 2.Qxb6#
- 1...Qe3
- 2.Bxe3#
- 2.dxe3#
- 1...Rf6
- 2.Sf3#
- 2.Qxb6#
- 1...Re7
- 2.Sf3#
- 2.Qxb6#
- 1...e4!
- threat
- 1.Re3?
- threat
- 2.Se6#
- 1...Qxd2+
- 2.Rc3#
- 1...Qxe3
- 2.dxe3#
- 1...Bxd5
- 2.Qxb6#
- 1...Rf6
- 2.Qxb6#
- 1...Re7
- 2.Qxb6#
- 1...e4!
- threat
- 1.Sb4?
- Keys
- 1.Se3!
- threat
- 2.Qxb6#
- 1...Qxe3
- 2.Bxe3#
- 1...Qxd2
- 2.Sd5#
- 1...Rxc7
- 2.Sxf5#
- 1...Sd3
- 2.Sc2#
- 1...Sa4
- 2.Qxc4#
- 1...Sd5
- 2.Qxc4#
- 1...Sd7
- 2.Qxc4#
- 1...Sc8
- 2.Qxc4#
- 1...e4
- 2.Se6#
- threat
- 1.Se3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 7
- Sets
- R(j);::QAB(F),XS(h)
- B(l);SBLOCK,XS(G)::QAB(F),XS(h)
- S(h);N_GUARD::QAR1(F),XP(d)
- S(h);N_GUARD,XS(G)::QAR1(F),XP(d)
- P(c);N_GUARD::B(B),XQ(b)
- Tries
- Try
- S(G);
- Threat
- QAB(F),XS(h)
- Vars
- S(a);N_GUARD::S(G)
- P(f);SBLOCK::S(H)
- Refutation
- R(j);XP(J)
- Try
- S(G);
- Threat
- DUALS(3)
- Refutation
- P(f);XS(G)
- Try
- S(G);
- Threat
- DUALS(2)
- Vars
- R(j);XS(G)::QAB(F),XS(h)
- R(j);XP(J)::S(H)
- R(j);::QAB(F),XS(h)
- B(l);::QAB(F),XS(h)
- S(a);::S(H)
- P(f);::S(H)
- Refutation
- B(m);XS(G)
- Try
- S(G);
- Threat
- QAB(F),XS(h)
- Vars
- S(h);N_GUARD::QAR1(F),XP(d)
- P(f);SBLOCK::S(H)
- Refutation
- S(a);
- Try
- R(A);XS(a)
- Threat
- DUALS(2)
- Vars
- B(l);SBLOCK,XS(G)::QAB(F),XS(h)
- Refutation
- P(f);
- Try
- R(D);N_PINQ(b)
- Threat
- S(H)
- Vars
- Q(b);CHECK,OGATEB,P_SPINQ(b),XP(C)::B(B)+R(D)
- Q(b);OGATE,P_SPINQ(b),XR(D)::R(A)+P(C)DCHECK,XQ(b)
- B(l);SBLOCK,XS(G)::QAB(F),XS(h)
- R(j);::QAB(F),XS(h)
- Refutation
- P(f);
- Try
- Actual
- S(G);N_PINQ(b)
- Threat
- QAB(F),XS(h)
- Vars
- Q(b);OGATE,P_SPINQ(b),XS(G)::B(B),XQ(b)
- Q(b);P_PINR(D),P_SPINQ(b),XP(C)::B(B)+S(G)
- R(j);N_GUARD,XP(J)::S(G),XP(g)
- S(a);N_GUARD::S(G)
- S(h);N_GUARD::QAR1(F),XP(d)
- P(f);SBLOCK::S(H)
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).