MESON Chess Problem Database
Problem Display
PID: 240069 (rnBbK3/p4Q1p/2N3p1/p1P3p1/1P2k3/NR1n2P1/3R1P2/Bb2r2q w - - 0 1)
Mosiashvili, Givi
Uralski Problemist, 2012
#2
12 + 13
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Qf3
- 2.Qc4#
- 1...Rc1
- 2.Re2#
- 1...Rd1
- 2.Re2#
- 1...Rf1
- 2.Re2#
- 1...Rg1
- 2.Re2#
- 1...Re2
- 2.Rxe2#
- 1...Sc1
- 2.Rd4#
- 2.Qc4#
- 2.Qd5#
- 2.Qe6#
- 1...Sb2
- 2.Rd4#
- 2.Qd5#
- 2.Qe6#
- 1...Sxf2
- 2.Rd4#
- 2.Qc4#
- 2.Qd5#
- 2.Qe6#
- 1...Sxb4
- 2.Rd4#
- 2.Qc4#
- 2.Qe6#
- 1...Sf4
- 2.Rd4#
- 2.Qc4#
- 1...Sxc5
- 2.Rd4#
- 2.Qc4#
- 2.Qd5#
- 1...Se5
- 2.Rd4#
- 2.Qd5#
- 1...Qf3
- Tries
- 1.Sb5?
- threat
- 2.Sc3#
- 2.Sd6#
- 1...Sxf2
- 2.Sd6#
- 2.Rd4#
- 2.Qc4#
- 2.Qd5#
- 2.Qe6#
- 1...Sxc6
- 2.Sd6#
- 1...axb4
- 2.Sd6#
- 1...Rc1
- 2.Sd6#
- 2.Re2#
- 1...Bc7
- 2.Sc3#
- 1...Be7
- 2.Sc3#
- 1...Sf4
- 2.Sd6#
- 2.Rd4#
- 2.Qc4#
- 1...Bf6!
- threat
- 1.Se5?
- threat
- 2.Qc4#
- 1...Sxe5
- 2.Rd4#
- 2.Qd5#
- 1...Sb2
- 2.Qd5#
- 1...Rc1
- 2.Re2#
- 1...Sd7
- 2.Bb7#
- 1...Sc6!
- threat
- 1.Se7?
- threat
- 2.Qd5#
- 1...Sxb4
- 2.Qc4#
- 2.Qe6#
- 1...Sf4
- 2.Qc4#
- 1...Bxe7!
- threat
- 1.Sxb8?
- threat
- 2.Bb7#
- 2.Qb7#
- 1...Sxb4
- 2.Qc4#
- 2.Qe6#
- 1...Sxc5
- 2.Qc4#
- 2.Qd5#
- 1...Bf6
- 2.Qb7#
- 1...Sb2
- 2.Qd5#
- 2.Qe6#
- 1...Bc7
- 2.Bb7#
- 1...Be7
- 2.Bb7#
- 1...Sf4
- 2.Qc4#
- 1...Se5
- 2.Rd4#
- 2.Qd5#
- 1...Rxb8!
- threat
- 1.Be6?
- threat
- 2.Bd5#
- 1...Sxb4
- 2.Rd4#
- 1...Sf4
- 2.Rd4#
- 1...Bf6!
- threat
- 1.Bb7?
- threat
- 2.Sxb8#
- 1...Sxb4
- 2.Rd4#
- 2.Qe6#
- 1...Sxc5
- 2.Rd4#
- 2.Qd5#
- 1...Sxc6
- 2.Bxc6#
- 1...Sb2
- 2.Rd4#
- 2.Qd5#
- 2.Qe6#
- 1...Sf4
- 2.Rd4#
- 1...Se5
- 2.Rd4#
- 1...Sa6
- 2.Sxa5#
- 2.Se5#
- 2.Sxa7#
- 2.Se7#
- 2.Sb8#
- 2.Sxd8#
- 1...Sd7
- 2.Sxa5#
- 2.Se5#
- 2.Sxa7#
- 2.Se7#
- 2.Sb8#
- 2.Sxd8#
- 1...Bf6!
- threat
- 1.Rdxd3?
- threat
- 2.Rd4#
- 2.Qc4#
- 2.Qd5#
- 2.Qe6#
- 1...Sxc6
- 2.Qd5#
- 1...Qh3
- 2.Rd4#
- 2.Qc4#
- 2.Qd5#
- 2.Qf3#
- 2.f3#
- 1...Rc1
- 2.Re3#
- 2.Rd4#
- 2.Qd5#
- 2.Qe6#
- 1...Rd1
- 2.Re3#
- 2.Qc4#
- 2.Qd5#
- 2.Qe6#
- 1...Re3
- 2.Rxe3#
- 2.Rd4#
- 2.Qd5#
- 1...Bf6
- 2.Qd5#
- 1...Bc7
- 2.Rd4#
- 2.Qc4#
- 2.Qd5#
- 1...Sd7
- 2.Rd4#
- 2.Qd5#
- 1...Bxd3!
- threat
- 1.Rbxd3?
- threat
- 2.Rd4#
- 2.Qc4#
- 2.Qd5#
- 2.Qe6#
- 1...Sxc6
- 2.Qd5#
- 1...Qh3
- 2.Rd4#
- 2.Qc4#
- 2.Qd5#
- 2.Qf3#
- 2.f3#
- 1...Rc1
- 2.Re3#
- 2.Rd4#
- 2.Qd5#
- 2.Qe6#
- 1...Re3
- 2.Rxe3#
- 2.Rd4#
- 2.Qd5#
- 1...Ba2
- 2.Rd4#
- 1...Bf6
- 2.Qd5#
- 1...Bc7
- 2.Rd4#
- 2.Qc4#
- 2.Qd5#
- 1...Sd7
- 2.Rd4#
- 2.Qd5#
- 1...Bxd3!
- threat
- 1.Qe6+?
- 1...Se5
- 2.Rd4#
- 2.Qd5#
- 2.Qxe5#
- 1...Kf3!
- 1...Se5
- 1.f3+?
- 1...Ke3
- 2.Sc4#
- 1...Qxf3!
- 1...Ke3
- 1.Sb5?
- Keys
- 1.Qb7!
- threat
- 2.Sxb8#
- 1...Kf3+
- 2.Se5#
- 1...Kd5+
- 2.Se7#
- 1...Sxb4
- 2.Rd4#
- 1...Sxc5
- 2.Rd4#
- 1...Sxc6
- 2.Qxc6#
- 1...Sd7
- 2.Se7#
- 1...Sb2
- 2.Rd4#
- 1...Sf4
- 2.Rd4#
- 1...Se5
- 2.Rd4#
- 1...Sa6
- 2.Sxa5#
- 2.Se5#
- 2.Sxa7#
- 2.Se7#
- 2.Sb8#
- 2.Sxd8#
- threat
- 1.Qb7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 9
- REMOVED MATES = 6
- Sets
- Q(c);SBLOCK::QAR2(J)
- R(b);N_GUARD::R(B)
- R(b);N_GUARD::R(B),XR(b)
- Tries
- Try
- S(D);
- Threat
- DUALS(2)
- Vars
- S(l);XS(I)::S(D)
- P(f);XP(G)::S(D)
- B(m);::S(D)
- Refutation
- B(m);
- Try
- S(I);
- Threat
- QAR2(J)
- Vars
- S(d);::QAB1(J)
- R(b);N_GUARD::R(B)
- S(l);N_GUARD::B(K)
- Refutation
- S(l);
- Try
- S(I);
- Threat
- QAB1(J)
- Vars
- S(d);::QAR2(J)
- Refutation
- B(m);XS(I)
- Try
- S(I);XS(l)
- Threat
- DUALS(2)
- Vars
- B(m);::QAB(J)
- B(m);::B(K)
- S(d);::QAR2(J)
- Refutation
- R(k);XS(I)
- Try
- B(K);
- Threat
- B(K)
- Vars
- S(d);OGATE,XP(G)::R1(B)
- S(d);OGATE::R1(B)
- Refutation
- B(m);
- Try
- B(K);
- Threat
- B(K)+S(I),XS(l)
- Vars
- S(l);OGATE,P_SPINS(l),XS(I)::B(K),XS(l)
- S(d);OGATE::R1(B)
- Refutation
- B(m);
- Try
- R(B);XS(d)
- Threat
- DUALS(4)
- Vars
- S(l);XS(I)::QAB1(J)
- B(m);::QAB1(J)
- Refutation
- B(a);XR(B)
- Try
- R(E);XS(d)
- Threat
- DUALS(4)
- Vars
- S(l);XS(I)::QAB1(J)
- B(a);::R1(E)
- B(m);::QAB1(J)
- Refutation
- B(a);XR(E)
- Try
- Q(J);CHECK
- Refutation
- K(e);P_PINQ(J),P_SPINS(d),S_FLIGHT
- Try
- P(C);CHECK
- Vars
- K(e);P-FLIGHT,P_SPINS(d)::S(D)
- Refutation
- Q(c);XP(C)
- Try
- Actual
- Q(J);
- Threat
- QAB(J)+S(I),XS(l)
- Vars
- K(e);CHECK,P_SPINS(d),S_FLIGHT::QAB(J)+S(I),DCHECK
- S(d);OGATE,XP(G)::R1(B)
- S(d);OGATE,XP(H)::R1(B)
- S(l);OGATE,P_SPINS(l),XS(I)::QAB(J),XS(l)
- S(l);N_GUARD::QAB(J)+S(I)
- S(d);OGATE::R1(B)
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).