MESON Chess Problem Database

Problem Display
PID: 96380 (8/8/5B2/1BPk1PQp/1P2NP2/2R3n1/K1Nn2r1/2brq3 w - - 0 1)

Dimitrov, Nikolai

Stoyanov, Kiril N

Problemas, 1971

8/8/5B2/1BPk1PQp/1P2NP2/2R3n1/K1Nn2r1/2brq3

#2

11 + 8

6490 yacpdb 2009
5454 Near Snap 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Kxe4
      • 2.Bc6#
    • 1...Sdxe4
      • 2.Qg8#
    • 1...Sgxe4
      • 2.Rd3#
    • 1...Sxf5
      • 2.Qxf5#
  • Tries
    • 1.Se3+?
      • 1...Kxe4
        • 2.Bc6#
      • 1...Qxe3!
    • 1.Bd4?
      • threat
        • 2.Sf6#
      • 1...Kxe4
        • 2.Bc6#
      • 1...Qxe4
        • 2.Qd8#
      • 1...Sdxe4
        • 2.Qg8#
      • 1...Sxf5
        • 2.Qxf5#
      • 1...Sgxe4!
    • 1.Be5?
      • threat
        • 2.Sf6#
      • 1...Kxe4
        • 2.Bc6#
      • 1...Qxe4
        • 2.Qd8#
        • 2.Qg8#
      • 1...Sdxe4
        • 2.Qg8#
      • 1...Sgxe4
        • 2.Rd3#
      • 1...Sxf5!
    • 1.Be7?
      • threat
        • 2.Sf6#
      • 1...Kxe4
        • 2.Bc6#
      • 1...Sdxe4
        • 2.Qg8#
      • 1...Sgxe4
        • 2.Rd3#
      • 1...Sxf5
        • 2.Qxf5#
      • 1...Qxe4!
    • 1.Bg7?
      • threat
        • 2.Sf6#
      • 1...Kxe4
        • 2.Bc6#
      • 1...Qxe4
        • 2.Qd8#
      • 1...Sgxe4
        • 2.Rd3#
      • 1...Sxf5
        • 2.Qxf5#
      • 1...Sdxe4!
    • 1.Bd8?
      • threat
        • 2.Sf6#
      • 1...Kxe4
        • 2.Bc6#
      • 1...Sdxe4
        • 2.Qg8#
      • 1...Sgxe4
        • 2.Rd3#
      • 1...Sxf5
        • 2.Qxf5#
      • 1...Qxe4!
  • Keys
    • 1.Bh8!
      • threat
        • 2.Sf6#
      • 1...Kxe4
        • 2.Bc6#
      • 1...Qxe4
        • 2.Qd8#
      • 1...Sdxe4
        • 2.Qg8#
      • 1...Sgxe4
        • 2.Rd3#
      • 1...Sxf5
        • 2.Qxf5#

This anticipates 168329(2001)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(g);S_FLIGHT,XS(E)::B(G)
    • S(d);P_PINS(B),SBLOCK,XS(E)::QAB(J)
    • S(f);SBLOCK,XS(E)::R(C)
    • S(f);OGATE,P_SPINS(f),XP(I)::QAR2(J),XS(f)
  • Tries
    • Try
      • S(B);CHECK
      • Vars
        • K(g);S_FLIGHT,XS(E)::B(G)
      • Refutation
        • Q(c);XS(B)
    • Try
      • B(K);
      • Threat
        • S(E)
      • Vars
        • K(g);S_FLIGHT,XS(E)::B(G)
        • Q(c);SBLOCK,XS(E)::QAR(J)
        • S(d);P_PINS(B),SBLOCK,XS(E)::QAB(J)
        • S(f);OGATE,P_SPINS(f),XP(I)::QAR2(J),XS(f)
      • Refutation
        • S(f);XS(E)
    • Try
      • B(K);
      • Threat
        • S(E)
      • Vars
        • K(g);S_FLIGHT,XS(E)::B(G)
        • S(d);P_PINS(B),SBLOCK,XS(E)::QAB(J)
        • S(f);SBLOCK,XS(E)::R(C)
      • Refutation
        • S(f);XP(I)
    • Try
      • B(K);
      • Threat
        • S(E)
      • Vars
        • K(g);S_FLIGHT,XS(E)::B(G)
        • S(d);P_PINS(B),SBLOCK,XS(E)::QAB(J)
        • S(f);SBLOCK,XS(E)::R(C)
        • S(f);OGATE,P_SPINS(f),XP(I)::QAR2(J),XS(f)
      • Refutation
        • Q(c);XS(E)
    • Try
      • B(K);
      • Threat
        • S(E)
      • Vars
        • K(g);S_FLIGHT,XS(E)::B(G)
        • Q(c);SBLOCK,XS(E)::QAR(J)
        • S(f);SBLOCK,XS(E)::R(C)
        • S(f);OGATE,P_SPINS(f),XP(I)::QAR2(J),XS(f)
      • Refutation
        • S(d);P_PINS(B),XS(E)
    • Try
      • B(K);
      • Threat
        • S(E)
      • Vars
        • K(g);S_FLIGHT,XS(E)::B(G)
        • S(d);P_PINS(B),SBLOCK,XS(E)::QAB(J)
        • S(f);SBLOCK,XS(E)::R(C)
        • S(f);OGATE,P_SPINS(f),XP(I)::QAR2(J),XS(f)
      • Refutation
        • Q(c);XS(E)
  • Actual
    • B(K);
    • Threat
      • S(E)
    • Vars
      • K(g);S_FLIGHT,XS(E)::B(G)
      • Q(c);SBLOCK,XS(E)::QAR(J)
      • S(d);P_PINS(B),SBLOCK,XS(E)::QAB(J)
      • S(f);SBLOCK,XS(E)::R(C)
      • S(f);OGATE,P_SPINS(f),XP(I)::QAR2(J),XS(f)
HTML5 logo

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).