MESON Chess Problem Database
Problem Display
PID: 238592 (5NK1/2rp3p/3Np2p/3pk3/2PpBb1Q/B3qRp1/3P4/4R3 w - - 0 1)
Murashev, Pavel Aleksandrovich
Problemist Ukraini, 2010
#2
10 + 11
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Qg1
- 2.Sf7#
- 2.Qxf4#
- 1...Qxd2
- 2.Sf7#
- 1...Qf2
- 2.Sf7#
- 2.Qxf4#
- 1...Qxe1
- 2.Qxf4#
- 1...Qe2
- 2.Qxf4#
- 1...Qxa3
- 2.Sf7#
- 2.Qxf4#
- 1...Qb3
- 2.Sf7#
- 2.Qxf4#
- 1...Qc3
- 2.Sf7#
- 2.Qxf4#
- 1...Qd3
- 2.Sf7#
- 2.Qxf4#
- 1...Qxf3
- 2.Sf7#
- 1...Qxe4
- 2.Qxf4#
- 1...Rxc4
- 2.Sxd7#
- 1...Rc6
- 2.Sxd7#
- 1...Bg5
- 2.Sf7#
- 1...Qg1
- Tries
- 1.Kg7?
- threat
- 2.Qf6#
- 1...Qxa3
- 2.Sf7#
- 2.Qxf4#
- 1...Bg5
- 2.Sf7#
- 1...Rc5!
- threat
- 1.Bb1?
- threat
- 2.Sf7#
- 2.Qxf4#
- 1...d3
- 2.Qxf4#
- 1...Qe4
- 2.Qxf4#
- 1...Bg5
- 2.Sf7#
- 1...dxc4!
- threat
- 1.Bc2?
- threat
- 2.Sf7#
- 2.Qxf4#
- 1...d3
- 2.Qxf4#
- 1...Qe4
- 2.Qxf4#
- 1...Bg5
- 2.Sf7#
- 1...dxc4!
- threat
- 1.Bd3?
- threat
- 2.Sf7#
- 2.Qxf4#
- 1...Qe4
- 2.Qxf4#
- 1...Bg5
- 2.Sf7#
- 1...dxc4!
- threat
- 1.Bxd5?
- threat
- 2.Qxf4#
- 1...Bg5
- 2.Sf7#
- 1...Rxc4!
- threat
- 1.Bg6?
- threat
- 2.Sf7#
- 2.Qxf4#
- 1...hxg6
- 2.Sxg6#
- 2.Qxf4#
- 1...d3
- 2.Qxf4#
- 1...Bg5
- 2.Sf7#
- 1...dxc4!
- threat
- 1.Bxh7?
- threat
- 2.Sf7#
- 2.Sg6#
- 2.Qxf4#
- 1...Rc5
- 2.Sf7#
- 2.Qxf4#
- 1...d3
- 2.Qxf4#
- 1...Rc8
- 2.Sf7#
- 2.Qxf4#
- 1...Bg5
- 2.Sf7#
- 2.Sg6#
- 1...dxc4!
- threat
- 1.Rxf4?
- threat
- 2.Sf7#
- 2.Qf6#
- 1...Qxa3
- 2.Sf7#
- 1...Rc5
- 2.Sf7#
- 1...d3
- 2.Qf6#
- 1...Qxf4!
- threat
- 1.Qg4?
- threat
- 2.Qg7#
- 1...Kf6
- 2.Qg7#
- 1...Qxa3
- 2.Qxf4#
- 1...Bg5
- 2.Sf7#
- 1...Rc5!
- threat
- 1.Qh5+?
- 1...Kf6
- 2.Se8#
- 1...Bg5!
- 1...Kf6
- 1.dxe3?
- threat
- 2.Qxf4#
- 2.exf4#
- 1...Bxe3
- 2.Sf7#
- 2.Qf6#
- 1...Rc5
- 2.Qxf4#
- 1...Bg5
- 2.Sf7#
- 1...d3
- 2.Qxf4#
- 1...dxe3!
- threat
- 1.d3?
- threat
- 2.Sf7#
- 1...Qxe4
- 2.Qxf4#
- 1...dxe4!
- threat
- 1.Kg7?
- Keys
- 1.Qe7!
- threat
- 2.Qg7#
- 1...Qxa3
- 2.Sf7#
- 1...Rc5
- 2.Sxd7#
- 1...Bg5
- 2.Rf5#
- threat
- 1.Qe7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 2
- REMOVED MATES = 7
- Sets
- Q(a);XP(B)::S(H)
- Q(a);N_GUARD,XR(A)::QAB1(G),XB(d)
- Q(a);N_GUARD::QAB1(G),XB(d)
- Q(a);XR(D)::S(H)
- Q(a);N_GUARD,P_SPINQ(a),XB(F)::QAB1(G),XB(d)
- R(i);N_GUARD,XP(E)::S(I),XP(j)
- R(i);N_GUARD::S(I),XP(j)
- B(d);::S(H)
- Tries
- Try
- K(J);P-FLIGHT
- Threat
- QAB1(G)
- Vars
- B(d);::S(H)
- Refutation
- R(i);
- Try
- B(F);P_PINQ(a)
- Threat
- DUALS(2)
- Vars
- P(c);::QAB1(G),XB(d)
- Q(a);::QAB1(G),XB(d)
- B(d);::S(H)
- Refutation
- P(e);XP(E)
- Try
- B(F);P_PINQ(a)
- Threat
- DUALS(2)
- Vars
- P(c);::QAB1(G),XB(d)
- Q(a);::QAB1(G),XB(d)
- B(d);::S(H)
- Refutation
- P(e);XP(E)
- Try
- B(F);P_PINQ(a)
- Threat
- DUALS(2)
- Vars
- Q(a);::QAB1(G),XB(d)
- B(d);::S(H)
- Refutation
- P(e);XP(E)
- Try
- B(F);P_PINQ(a),XP(e)
- Threat
- QAB1(G),XB(d)
- Vars
- B(d);::S(H)
- Refutation
- R(i);XP(E)
- Try
- B(F);P_PINQ(a)
- Threat
- DUALS(2)
- Vars
- P(c);::QAB1(G),XB(d)
- B(d);::S(H)
- Refutation
- P(e);XP(E)
- Try
- B(F);P_PINQ(a),XP(k)
- Threat
- DUALS(3)
- Vars
- P(c);::QAB1(G),XB(d)
- Refutation
- P(e);XP(E)
- Try
- R(D);XB(d)
- Threat
- DUALS(2)
- Vars
- Q(a);XB(C)::S(H)
- R(i);::S(H)
- P(c);::QAB1(G)
- Refutation
- Q(a);XR(D)
- Try
- Q(G);
- Threat
- QAB(G)
- Vars
- K(f);P_SPINB(d),S_FLIGHT::QAB1(G)
- Q(a);N_GUARD,XB(C)::QAB1(G),XB(d)
- B(d);::S(H)
- Refutation
- R(i);
- Try
- Q(G);CHECK
- Vars
- K(f);P_SPINB(d),S_FLIGHT::S(H)
- Refutation
- B(d);P_SPINB(d)
- Try
- P(B);XQ(a)
- Threat
- DUALS(2)
- Vars
- R(i);::QAB1(G),XB(d)
- B(d);::S(H)
- P(c);::QAB1(G),XB(d)
- Refutation
- P(c);XP(B)
- Try
- P(B);
- Threat
- S(H)
- Vars
- Q(a);N_GUARD,P_SPINQ(a),XB(F)::QAB1(G),XB(d)
- Refutation
- P(e);XB(F)
- Try
- Actual
- Q(G);P_PINP(g)
- Threat
- QAB(G)
- Vars
- Q(a);XB(C)::S(H)
- R(i);N_GUARD::S(I),XP(j)
- B(d);OGATE::R1(D)
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).