MESON Chess Problem Database

Problem Display
PID: 146542 (2K3B1/p1Q5/1p1P4/n3P2R/2nk2p1/B2Pp3/1P2P3/8 w - - 0 1)

Janevski, Zivko

Probleemblad, 2012

2K3B1/p1Q5/1p1P4/n3P2R/2nk2p1/B2Pp3/1P2P3/8

#2

10 + 7

SOLUTION

  • SOUND
  • Sets
    • 1...Sxb2
      • 2.Bxb2#
    • 1...Sd2
      • 2.Qc3#
    • 1...Sxa3
      • 2.Qc3#
    • 1...Sxe5
      • 2.Qc3#
    • 1...Sxd6+
      • 2.Qxd6#
    • 1...Sb3
      • 2.Qxc4#
    • 1...Sb7
      • 2.Qxc4#
    • 1...b5
      • 2.Bc5#
      • 2.Qc5#
  • Tries
    • 1.Bb4?
      • threat
        • 2.Bc3#
      • 1...Sxd6+
        • 2.Qxd6#
      • 1...Sc6!
    • 1.Qc6?
      • threat
        • 2.Qe4#
        • 2.Qd5#
      • 1...Sxd6+
        • 2.Qxd6#
      • 1...Sxb2
        • 2.Bxb2#
      • 1...Sxa3
        • 2.Qd5#
        • 2.Qc3#
      • 1...Sd2
        • 2.Qd5#
        • 2.Qc3#
      • 1...Sxc6!
  • Keys
    • 1.Qg7!
      • threat
        • 2.Qxg4#
      • 1...Sxd6+
        • 2.exd6#
      • 1...Sxb2
        • 2.e6#
      • 1...Sxa3
        • 2.e6#
      • 1...Sxe5
        • 2.Qxe5#
      • 1...Sd2
        • 2.e6#
      • 1...g3
        • 2.Rh4#
        • 2.Qg4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 5
    • ADDED MATES = 0
    • REMOVED MATES = 2
  • Sets
    • S(b);OGATE,XP(A)::B(C),XS(b)
    • S(b);OGATE::QAB1(H)
    • S(b);OGATE,XB(C)::QAB1(H)
    • S(b);OGATE,XP(E)::QAB1(H)
    • S(b);CHECK,OGATE,XP(G)::QAR2(H),XS(b)
    • S(e);N_GUARD::QAR1(H),XS(b)
  • Tries
    • Try
      • B(C);
      • Threat
        • B(C)
      • Vars
        • S(b);CHECK,OGATE,XP(G)::QAR2(H),XS(b)
      • Refutation
        • S(e);
    • Try
      • Q(H);
      • Threat
        • DUALS(2)
      • Vars
        • S(b);CHECK,OGATE,XP(G)::QAR2(H),XS(b)
        • S(b);OGATE,XP(A)::B(C),XS(b)
      • Refutation
        • S(e);XQ(H)
  • Actual
    • Q(H);
    • Threat
      • QAR(H),XP(d)
    • Vars
      • S(b);CHECK,OGATE,XP(G)::QAB(H)+P(E),XS(b)
      • S(b);N_GUARD,XP(A)::QAB(H)+P(E)
      • S(b);N_GUARD,XB(C)::QAB(H)+P(E)
      • S(b);OGATE,P_SPINS(b),XP(E)::QAB1(H),XS(b)
      • S(b);N_GUARD::QAB(H)+P(E)
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