MESON Chess Problem Database
Problem Display
PID: 238236 (N3n3/1N4P1/1BP1p3/3k1pK1/1PR1R3/2pbp1p1/BPQ5/3rb3 w - - 0 1)
Murashev, Pavel Aleksandrovich
ChessStar, 2015
#2
12 + 10
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Ra1
- 2.Qxd3#
- 1...Rb1
- 2.Qxd3#
- 1...Rc1
- 2.Qxd3#
- 1...Bd2
- 2.Qxd3#
- 1...Bf1
- 2.Rc5#
- 1...Be2
- 2.Rc5#
- 1...Sd6
- 2.Sc7#
- 1...Sf6
- 2.Sc7#
- 1...Sc7
- 2.Sxc7#
- 1...Sxg7
- 2.Sc7#
- 1...cxb2
- 2.Rcd4#
- 1...e5
- 2.g8Q#
- 2.g8B#
- 1...Ra1
- Tries
- 1.Bxe3?
- threat
- 2.Sb6#
- 1...Bxe4
- 2.Rc5#
- 1...fxe4
- 2.Rc5#
- 1...e5
- 2.g8Q#
- 2.g8B#
- 1...Bxc4!
- threat
- 1.Bd4?
- threat
- 2.Re5#
- 1...Kxe4
- 2.Qg2#
- 1...Bxe4
- 2.Sb6#
- 1...fxe4
- 2.Sb6#
- 1...e5
- 2.Rxe5#
- 1...Bxc4!
- threat
- 1.Bc7?
- threat
- 2.Sb6#
- 2.Red4#
- 2.Re5#
- 1...Bxc2
- 2.Sb6#
- 2.Re5#
- 1...Bxe4
- 2.Sb6#
- 1...Sxc7
- 2.Sb6#
- 2.Sxc7#
- 1...fxe4
- 2.Sb6#
- 1...e5
- 2.Rxe5#
- 2.g8Q#
- 2.g8B#
- 1...Bf1
- 2.Sb6#
- 2.Rc5#
- 2.Re5#
- 1...Be2
- 2.Sb6#
- 2.Rc5#
- 2.Re5#
- 1...Sd6
- 2.Sb6#
- 1...Bxc4!
- threat
- 1.Qa4?
- threat
- 2.Rcd4#
- 2.Qb5#
- 2.Qa5#
- 1...Bxe4
- 2.Qb5#
- 2.Qa5#
- 1...fxe4
- 2.Qb5#
- 2.Qa5#
- 1...e5
- 2.Rcd4#
- 2.g8Q#
- 2.g8B#
- 1...Sd6
- 2.Sc7#
- 2.Rcd4#
- 1...Sc7
- 2.Sxc7#
- 2.Rcd4#
- 1...Bxc4!
- threat
- 1.Qxc3?
- threat
- 2.Rcd4#
- 2.Re5#
- 2.Qd4#
- 2.Qe5#
- 1...Bxc4
- 2.Qxc4#
- 1...Bxe4
- 2.Rc5#
- 1...fxe4
- 2.Rc5#
- 2.Qd4#
- 1...e5
- 2.Rcd4#
- 2.Rxe5#
- 2.Qxe5#
- 2.g8Q#
- 2.g8B#
- 1...Bb1
- 2.Rcd4#
- 2.Re5#
- 2.Qe5#
- 1...Bf1
- 2.Rcd4#
- 2.Re5#
- 2.Qe5#
- 1...Bc2
- 2.Rcd4#
- 2.Re5#
- 2.Qe5#
- 1...Be2
- 2.Rcd4#
- 2.Re5#
- 2.Qe5#
- 1...Bxc3!
- threat
- 1.b5?
- threat
- 2.Rcd4#
- 1...Bxc4
- 2.Bxc4#
- 1...Bxe4
- 2.Rxe4#
- 1...fxe4!
- threat
- 1.Bxe3?
- Keys
- 1.Rxe6!
- threat
- 2.Rd4#
- 1...Kxe6
- 2.Re4#
- 1...Bxc4
- 2.Qxf5#
- 1...Sd6
- 2.Sc7#
- threat
- 1.Rxe6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 10
- Sets
- R(a);N_GUARD::QAR2(C),XB(d)
- B(b);S_CUTR(a)::QAR2(C),XB(d)
- B(d);::B(A)+R(E),DCHECK
- S(j);N_GUARD::S(L)
- S(j);N_GUARD::S(L),XS(j)
- S(j);N_GUARD,XP(K)::S(L)
- P(c);XP(B)::B(A)+R(E),DCHECK
- P(i);::P=Q
- Tries
- Try
- B(H);XP(e)
- Threat
- S(L)
- Vars
- B(d);XR(F)::B(A)+R(E),DCHECK
- P(h);SBLOCK,XR(F)::B(A)+R(E),DCHECK
- P(i);::P=Q
- Refutation
- B(d);P_SPINB(d),XR(E)
- Try
- B(H);
- Threat
- R1(F)
- Vars
- K(g);OGATEB,P_SPINB(d),S_FLIGHT,XR(F)::QAB(C)
- B(d);XR(F)::S(L)
- P(h);SBLOCK,XR(F)::S(L)
- P(i);::R1(F),XP(i)
- Refutation
- B(d);P_SPINB(d),XR(E)
- Try
- B(H);
- Threat
- DUALS(3)
- Vars
- B(d);XR(F)::S(L)
- P(h);XR(F)::S(L)
- S(j);::S(L)
- Refutation
- B(d);P_SPINB(d),XR(E)
- Try
- Q(C);
- Threat
- DUALS(3)
- Refutation
- B(d);P_SPINB(d),XR(E)
- Try
- Q(C);XP(c)
- Threat
- DUALS(4)
- Vars
- B(d);OGATE,P_SPINB(d),XR(E)::QAB1(C),XB(d)
- B(d);SBLOCK,XR(F)::B(A)+R(E),DCHECK
- Refutation
- B(b);XQ(C)
- Try
- P(D);
- Threat
- B(A)+R(E),DCHECK
- Vars
- B(d);OGATE,P_SPINB(d),XR(E)::B(A),XB(d)
- B(d);OGATE,XR(F)::B(A)+R(E),XB(d)
- Refutation
- P(h);XR(F)
- Try
- Actual
- R(F);XP(i)
- Threat
- B(A)+R(E),DCHECK
- Vars
- K(g);S_FLIGHT,XR(F)::B(A)+R(E),DCHECK
- B(d);OGATE,P_SPINB(d),XR(E)::QAR2(C),XP(h)
- S(j);N_GUARD::S(L)
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).