MESON Chess Problem Database
Problem Display
PID: 187496 (1Kn3B1/5Np1/R1p5/1pBkNPn1/1Q3p2/2pPb3/1P2R3/4r1q1 w - - 0 1)
Mosiashvili, Givi
Die Schwalbe, 2018
#2
11 + 11
SOLUTION
- SOUND
- Sets
- 1...Bc1
- 2.Sxg5#
- 1...Bd2
- 2.Sxg5#
- 1...Bf2
- 2.Sxg5#
- 1...Bd4
- 2.Sxg5#
- 1...Se4
- 2.dxe4#
- 1...Bc1
- Tries
- 1.Sxc6?
- threat
- 2.Sxg5#
- 1...Bxc5
- 2.Qb3#
- 1...Sxf7
- 2.Bxf7#
- 1...Sb6
- 2.Se7#
- 1...Sf3
- 2.Sfe5#
- 2.Sg5#
- 2.Sd6#
- 2.Sh6#
- 2.Sfd8#
- 2.Sh8#
- 1...Sh3
- 2.Sfe5#
- 2.Sg5#
- 2.Sd6#
- 2.Sh6#
- 2.Sfd8#
- 2.Sh8#
- 1...Se4
- 2.Sfe5#
- 2.Sg5#
- 2.Sd6#
- 2.Sh6#
- 2.Sfd8#
- 2.Sh8#
- 2.dxe4#
- 1...Sh7
- 2.Sfe5#
- 2.Sg5#
- 2.Sd6#
- 2.Sh6#
- 2.Sfd8#
- 2.Sh8#
- 1...Sd6
- 2.Se7#
- 1...Se7
- 2.Sxe7#
- 1...Se6!
- threat
- 1.Sg6?
- threat
- 2.Sxg5#
- 1...Bxc5
- 2.Sxf4#
- 1...Sxf7
- 2.Bxf7#
- 1...Sf3
- 2.Sfe5#
- 2.Sg5#
- 2.Sd6#
- 2.Sh6#
- 2.Sd8#
- 2.Sfh8#
- 1...Sh3
- 2.Sfe5#
- 2.Sg5#
- 2.Sd6#
- 2.Sh6#
- 2.Sd8#
- 2.Sfh8#
- 1...Se4
- 2.Sfe5#
- 2.Sg5#
- 2.Sd6#
- 2.Sh6#
- 2.Sd8#
- 2.Sfh8#
- 2.dxe4#
- 1...Sh7
- 2.Sfe5#
- 2.Sg5#
- 2.Sd6#
- 2.Sh6#
- 2.Sd8#
- 2.Sfh8#
- 1...Sd6
- 2.Se7#
- 1...Se7
- 2.Sxe7#
- 1...Se6!
- threat
- 1.Sd7?
- threat
- 2.Sxg5#
- 2.Qb3#
- 1...Sxf7
- 2.Bxf7#
- 2.Qb3#
- 2.Qe4#
- 1...Se6
- 2.Qb3#
- 2.Qe4#
- 1...Sf3
- 2.Sfe5#
- 2.Sg5#
- 2.Sd6#
- 2.Sh6#
- 2.Sd8#
- 2.Sh8#
- 2.Qb3#
- 2.Qe4#
- 1...Sh3
- 2.Sfe5#
- 2.Sg5#
- 2.Sd6#
- 2.Sh6#
- 2.Sd8#
- 2.Sh8#
- 2.Qb3#
- 2.Qe4#
- 1...Se4
- 2.Sfe5#
- 2.Sg5#
- 2.Sd6#
- 2.Sh6#
- 2.Sd8#
- 2.Sh8#
- 2.Qb3#
- 2.Qxe4#
- 2.dxe4#
- 1...Sh7
- 2.Sfe5#
- 2.Sg5#
- 2.Sd6#
- 2.Sh6#
- 2.Sd8#
- 2.Sh8#
- 2.Qb3#
- 2.Qe4#
- 1...Sb6
- 2.Sxb6#
- 2.Sxg5#
- 1...Sd6
- 2.Sb6#
- 1...Se7
- 2.Sb6#
- 2.Qb3#
- 1...Bxc5!
- threat
- 1.Bd4?
- threat
- 2.Sxg5#
- 2.Qc5#
- 1...Bxd4
- 2.Sxg5#
- 1...Sxf7
- 2.Bxf7#
- 2.Qc5#
- 1...Sf3
- 2.Sg5#
- 2.Sd6#
- 2.Sh6#
- 2.Sd8#
- 2.Sh8#
- 2.Qc5#
- 1...Sh3
- 2.Sg5#
- 2.Sd6#
- 2.Sh6#
- 2.Sd8#
- 2.Sh8#
- 2.Qc5#
- 1...Se4
- 2.Sg5#
- 2.Sd6#
- 2.Sh6#
- 2.Sd8#
- 2.Sh8#
- 1...Sh7
- 2.Sg5#
- 2.Sd6#
- 2.Sh6#
- 2.Sd8#
- 2.Sh8#
- 2.Qc5#
- 1...Sd6
- 2.Qc5#
- 2.Qxd6#
- 1...Se7
- 2.Qc5#
- 2.Qd6#
- 1...c5
- 2.Sxg5#
- 2.Qxc5#
- 1...Se6!
- threat
- 1.Qe4+?
- 1...Kxc5
- 2.Sd7#
- 2.Rxc6#
- 2.b4#
- 1...Sxe4!
- 1...Kxc5
- 1.Sxc6?
- Keys
- 1.Rxc6!
- threat
- 2.Qb3#
- 1...Bxc5
- 2.Sxg5#
- 1...Sxf7
- 2.Qe4#
- 1...Sb6
- 2.Rd6#
- 1...Sd6
- 2.Rxd6#
- threat
- 1.Rxc6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 5
- Sets
- B(d);::B(K)+S(I),XS(h)
- S(h);OGATE::P(C),XS(h)
- Tries
- Try
- S(F);XP(i)
- Threat
- B(K)+S(I),XS(h)
- Vars
- B(d);SBLOCK,XB(E)::QAB(D)
- S(h);OGATE,P_SPINS(h),XS(I)::B(K),XS(h)
- S(k);N_GUARD::S(F)
- S(k);N_GUARD::S(F),XS(k)
- Refutation
- S(h);
- Try
- S(F);
- Threat
- B(K)+S(I),XS(h)
- Vars
- B(d);N_GUARD,XB(E)::S(F),XP(e)
- S(h);OGATE,P_SPINS(h),XS(I)::B(K),XS(h)
- S(k);N_GUARD::S(F)
- S(k);N_GUARD::S(F),XS(k)
- Refutation
- S(h);
- Try
- S(F);
- Threat
- DUALS(2)
- Vars
- S(k);N_GUARD::S(F)
- Refutation
- B(d);XB(E)
- Try
- B(E);
- Threat
- DUALS(2)
- Vars
- B(d);XB(E)::B(K)+S(I),XS(h)
- Refutation
- S(h);
- Try
- Q(D);CHECK
- Refutation
- S(h);XQ(D)
- Try
- Actual
- R(H);XP(i)
- Threat
- QAB(D)
- Vars
- B(d);XB(E)::B(K)+S(I),XS(h)
- S(h);N_GUARD,P_SPINS(h),XS(I)::QAB1(D)
- S(k);N_GUARD::R1(H)
- S(k);N_GUARD::R1(H),XS(k)
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).