MESON Chess Problem Database
Problem Display
PID: 257846 (2q1R3/2pPN3/2pP1pP1/4kP2/2P2p2/2b2Kn1/2rRP2B/QBr1N3 w - - 0 1)
Mosiashvili, Givi
Zadachi i Etyudi, 2007
#2
14 + 10
SOLUTION
- SOUND
- Sets
- 1...Ra2
- 2.Sxc6#
- 2.Sxc8#
- 1...Rb2
- 2.Sxc6#
- 2.Sxc8#
- 1...Bd4
- 2.Qxd4#
- 1...Sf1
- 2.Bxf4#
- 1...Sh1
- 2.Bxf4#
- 1...Se4
- 2.Bxf4#
- 1...Sxf5
- 2.Sxc6#
- 1...c5
- 2.Rd5#
- 1...Ra2
- Tries
- 1.Bxc2?
- threat
- 2.Sxc6#
- 2.Sxc8#
- 2.Qxc3#
- 1...Qxd7
- 2.Sxc6#
- 2.Qxc3#
- 1...Qxe8
- 2.Sxc6#
- 2.Qxc3#
- 1...Rxa1
- 2.Sxc6#
- 2.Sxc8#
- 1...Bxa1
- 2.Sxc6#
- 2.Sxc8#
- 1...Sxe2
- 2.Sxc6#
- 2.Sxc8#
- 1...Sxf5
- 2.Sxc6#
- 1...Bd4
- 2.Sxc8#
- 2.Qxd4#
- 1...Qa6
- 2.Sxc6#
- 2.Sc8#
- 2.Sg8#
- 2.Qxc3#
- 1...Qb7
- 2.Sxc6#
- 2.Sc8#
- 2.Sg8#
- 2.Qxc3#
- 1...Qa8
- 2.Sxc6#
- 2.Sc8#
- 2.Qxc3#
- 1...Qb8
- 2.Sxc6#
- 2.Sc8#
- 2.Qxc3#
- 1...Qd8
- 2.Sxc6#
- 2.Qxc3#
- 1...Bb2
- 2.Sxc6#
- 2.Sxc8#
- 2.Qxb2#
- 1...Se4
- 2.Bxf4#
- 1...c5
- 2.Sc6#
- 2.Sxc8#
- 2.Rd5#
- 2.Qxc3#
- 1...Rxc2!
- threat
- 1.Qa3?
- threat
- 2.Qc5#
- 1...Rxd2
- 2.Sxc6#
- 1...Sxf5
- 2.Sxc6#
- 1...cxd6
- 2.Qxd6#
- 1...Bd4
- 2.Sd3#
- 1...Se4
- 2.Bxf4#
- 1...c5
- 2.Rd5#
- 2.Qxc5#
- 1...Bb4!
- threat
- 1.Qa5+?
- 1...c5
- 2.Rd5#
- 2.Qxc5#
- 1...Bxa5!
- 1...c5
- 1.e4?
- threat
- 2.Sxc6#
- 2.Sxc8#
- 1...Qxd7
- 2.Sxc6#
- 1...Qxe8
- 2.Sxc6#
- 1...Sxe4
- 2.Bxf4#
- 1...Sxf5
- 2.Sxc6#
- 1...fxe4 ep
- 2.Bxg3#
- 1...Bd4
- 2.Sxc8#
- 2.Qxd4#
- 1...Qa6
- 2.Sxc6#
- 2.Sc8#
- 2.Sg8#
- 1...Qb7
- 2.Sxc6#
- 2.Sc8#
- 2.Sg8#
- 1...Qa8
- 2.Sxc6#
- 2.Sc8#
- 1...Qb8
- 2.Sxc6#
- 2.Sc8#
- 1...Qd8
- 2.Sxc6#
- 1...c5
- 2.Sc6#
- 2.Sxc8#
- 2.Rd5#
- 1...Rxd2!
- threat
- 1.dxc8Q?
- threat
- 2.Sxc6#
- 2.Sg8#
- 2.Qe6#
- 1...Sxf5
- 2.Sxf5#
- 2.Sxc6#
- 2.Bxf4#
- 2.Qxf5#
- 1...Bd4
- 2.Qxd4#
- 2.Qe6#
- 1...c5
- 2.Sc6#
- 2.Sg8#
- 2.Rd5#
- 2.Qe6#
- 1...Rxd2!
- threat
- 1.dxc8B?
- threat
- 2.Sxc6#
- 2.Sg8#
- 1...Sxf5
- 2.Sxf5#
- 2.Sxc6#
- 2.Bxf4#
- 1...Bd4
- 2.Qxd4#
- 1...c5
- 2.Sc6#
- 2.Sg8#
- 2.Rd5#
- 1...Rxd2!
- threat
- 1.Bxc2?
- Keys
- 1.Qa7!
- threat
- 2.Qc5#
- 1...Rxd2
- 2.Sxc8#
- 1...Sxf5
- 2.Sxc6#
- 1...cxd6
- 2.Sd3#
- 1...Bd4
- 2.Qxd4#
- 1...Bb4
- 2.Qd4#
- 1...Se4
- 2.Bxf4#
- 1...c5
- 2.Rd5#
- 2.Qxc5#
- threat
- 1.Qa7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 3
- Sets
- B(c);OGATE::QAB1(A),XB(c)
- S(d);OGATE,P_SPINP(e)::B(F),XP(e)
- S(d);P_SPINP(e),SBLOCK,XP(I)::R(N)+S(M),DCHECK,XP(g)
- P(g);N_GUARD::R1(D)
- Tries
- Try
- B(B);XR(b)
- Threat
- DUALS(3)
- Vars
- S(d);P_SPINP(e),XP(I)::R(N)+S(M),DCHECK,XP(g)
- S(d);OGATE,P_SPINP(e)::B(F),XP(e)
- Refutation
- R(a);XB(B)
- Try
- Q(A);N_PINB(c)
- Threat
- QAR2(A)
- Vars
- R(b);XR(D)::R(N)+S(M),DCHECK,XP(g)
- S(d);P_SPINP(e),SBLOCK,XP(I)::R(N)+S(M),DCHECK,XP(g)
- P(i);OGATE,XP(J)::QAB1(A),XP(i)
- B(c);SBLOCK::S(C)
- S(d);OGATE,P_SPINP(e)::B(F),XP(e)
- Refutation
- B(c);
- Try
- Q(A);CHECK,N_PINB(c)
- Refutation
- B(c);XQ(A)
- Try
- P(E);
- Threat
- DUALS(2)
- Vars
- Q(j);XP(L)::R(N)+S(M),DCHECK,XP(g)
- Q(j);XR(N)::S(M),XP(g)
- S(d);OGATE,P_SPINP(e),XP(E)::B(F),XP(e)
- S(d);P_SPINP(e),XP(I)::R(N)+S(M),DCHECK,XP(g)
- P(e);EP,OGATEB,P_SPINS(d),XP(E)::B(F),XS(d)
- Q(j);::R(N)+S(M),DCHECK,XP(g)
- Refutation
- R(b);XR(D)
- Try
- P(L);XQ(j)
- Threat
- DUALS(3)
- Refutation
- R(b);XR(D)
- Try
- P(L);XQ(j)
- Threat
- DUALS(2)
- Vars
- B(c);OGATE::QAB1(A),XB(c)
- Refutation
- R(b);XR(D)
- Try
- Actual
- Q(A);N_PINB(c)
- Threat
- QAR2(A)
- Vars
- R(b);XR(D)::R(N)+S(M),XQ(j)
- S(d);P_SPINP(e),SBLOCK,XP(I)::R(N)+S(M),DCHECK,XP(g)
- P(i);SBLOCK,XP(J)::S(C)
- B(c);N_GUARD::QAB1(A),XB(c)
- B(c);N_GUARD::QAB1(A)
- S(d);OGATE,P_SPINP(e)::B(F),XP(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).