MESON Chess Problem Database
Problem Display
PID: 86725 (8/B2PK3/2QP4/1NnpkpnR/4p1P1/R4bP1/5P2/1B4b1 w - - 0 1)
Lamba, Stelian
Buletin Problemistic, 1973
#2
12 + 8
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Sd3
- 2.Bd4#
- 1...Sa4
- 2.Bd4#
- 1...Sa6
- 2.Bd4#
- 1...Sb7
- 2.Bd4#
- 1...Sxd7
- 2.Bd4#
- 1...Sh3
- 2.Rxf5#
- 1...Se6
- 2.Rxf5#
- 1...Sf7
- 2.Rxf5#
- 1...Sh7
- 2.Rxf5#
- 1...d4
- 2.Qxc5#
- 1...fxg4
- 2.Rxg5#
- 1...f4
- 2.Rxg5#
- 1...Sd3
- Tries
- 1.Sc3?
- threat
- 2.Qxd5#
- 1...Kd4
- 2.Qxd5#
- 1...d4
- 2.Qd5#
- 2.Qxc5#
- 1...e3!
- threat
- 1.Sc7?
- threat
- 2.Qxd5#
- 1...Kd4
- 2.Qxd5#
- 1...d4
- 2.Qd5#
- 2.Qxc5#
- 1...e3!
- threat
- 1.Bxc5?
- threat
- 2.Bd4#
- 1...fxg4
- 2.Rxg5#
- 1...Se6
- 2.Rxf5#
- 1...d4
- 2.Bxd4#
- 1...Bxf2!
- threat
- 1.Rxf3?
- threat
- 2.Rxf5#
- 1...Sxf3
- 2.Rxf5#
- 1...fxg4
- 2.Rxg5#
- 1...f4
- 2.Rxg5#
- 2.gxf4#
- 1...exf3!
- threat
- 1.Qxc5?
- threat
- 2.Qd4#
- 1...fxg4
- 2.Rxg5#
- 1...Se6
- 2.Rxf5#
- 1...Bxf2!
- threat
- 1.Qc8?
- threat
- 2.Qh8#
- 1...Sxd7
- 2.Bd4#
- 1...fxg4
- 2.Rxg5#
- 1...d4
- 2.Qxc5#
- 1...Sge6
- 2.Rxf5#
- 1...Sf7
- 2.Rxf5#
- 1...Sh7
- 2.Rxf5#
- 1...Sce6!
- threat
- 1.d8Q?
- threat
- 2.Qh8#
- 1...fxg4
- 2.Rxg5#
- 1...Sd7
- 2.Bd4#
- 1...Sge6
- 2.Rxf5#
- 1...Sf7
- 2.Rxf5#
- 1...Sh7
- 2.Rxf5#
- 1...Sce6!
- threat
- 1.Sc3?
- Keys
- 1.Bxe4!
- threat
- 2.Qxd5#
- 1...Kxe4
- 2.Re3#
- 1...Bxe4
- 2.f4#
- 1...Scxe4
- 2.Bd4#
- 1...Sgxe4
- 2.Rxf5#
- 1...dxe4
- 2.Qxc5#
- 1...fxe4
- 2.Rxg5#
- 1...d4
- 2.Qd5#
- threat
- 1.Bxe4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 6
- REMOVED MATES = 11
- Sets
- S(d);OGATE::B(J)
- S(d);OGATE,XP(K)::B(J)
- S(h);OGATE,P_SPINP(g)::R1(G),XP(g)
- P(e);OGATEB::QAR2(H),XS(d)
- P(g);OGATEB,P_SPINS(h),XP(E)::R(G),XS(h)
- P(g);OGATEB,P_SPINS(h)::R(G),XS(h)
- Tries
- Try
- S(F);
- Threat
- QAR1(H),XP(e)
- Vars
- K(f);P_SPINS(d),S_FLIGHT::QAR1(H),XP(e)
- Refutation
- P(c);
- Try
- S(F);
- Threat
- QAR1(H),XP(e)
- Vars
- K(f);P_SPINS(d),S_FLIGHT::QAR1(H),XP(e)
- Refutation
- P(c);
- Try
- B(J);XS(d)
- Threat
- B(J)
- Vars
- P(g);OGATEB,P_SPINS(h),XP(E)::R(G),XS(h)
- S(h);OGATE,P_SPINP(g)::R1(G),XP(g)
- P(e);::B(J),XP(e)
- Refutation
- B(a);XP(B)
- Try
- R(C);XB(b)
- Threat
- R1(C),XP(g)
- Vars
- S(h);OGATE,P_SPINP(g),XR(C)::R1(G),XP(g)
- P(g);OGATEB,P_SPINS(h),XP(E)::R(G),XS(h)
- Refutation
- P(c);XR(C)
- Try
- Q(H);P_PINP(e),XS(d)
- Threat
- QAB1(H)
- Vars
- P(g);OGATEB,P_SPINS(h),XP(E)::R(G),XS(h)
- S(h);OGATE::R1(G),XP(g)
- Refutation
- B(a);XP(B)
- Try
- Q(H);
- Threat
- QAB(H)
- Vars
- S(d);OGATE,XP(K)::B(J)
- P(g);OGATEB,P_SPINS(h),XP(E)::R(G),XS(h)
- P(e);OGATEB::QAR2(H),XS(d)
- S(h);OGATE,P_SPINP(g)::R1(G),XP(g)
- Refutation
- S(d);
- Try
- P(K);
- Threat
- QAB(K)
- Vars
- P(g);OGATEB,P_SPINS(h),XP(E)::R(G),XS(h)
- S(d);OGATE::B(J)
- S(h);OGATE,P_SPINP(g)::R1(G),XP(g)
- Refutation
- S(d);
- Try
- Actual
- B(A);XP(c)
- Threat
- QAR1(H),XP(e)
- Vars
- K(f);OGATEB,P-FLIGHT,P_SPINP(e),XB(A)::R1(C)
- B(b);OGATE,SBLOCK,XB(A)::P(B)
- S(d);OGATE,SBLOCK,XB(A)::B(J)
- S(h);OGATE,P_SPINP(g),SBLOCK,XB(A)::R1(G),XP(g)
- P(e);OGATEB,SBLOCK,XB(A)::QAR2(H),XS(d)
- P(g);OGATEB,P_SPINS(h),SBLOCK,XB(A)::R(G),XS(h)
- P(e);::QAR1(H)
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).