MESON Chess Problem Database

Problem Display
PID: 237450 (6b1/1p5n/2NN4/1B1kP3/1B1P2p1/8/1b3QK1/8 w - - 0 1)

Labai, Zoltan

5th Comm., Pat a Mat 04. TT, 2006

6b1/1p5n/2NN4/1B1kP3/1B1P2p1/8/1b3QK1/8

#2

8 + 6

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Ba1
      • 2.Qa2#
    • 1...Bc1
      • 2.Qa2#
    • 1...Ba3
      • 2.Qa2#
    • 1...Bc3
      • 2.Qa2#
    • 1...Bxd4
      • 2.Qa2#
    • 1...Be6
      • 2.Se7#
    • 1...Bf7
      • 2.Qxf7#
    • 1...bxc6
      • 2.Bc4#
  • Tries
    • 1.Qxb2?
      • threat
        • 2.Qa2#
        • 2.Qb3#
      • 1...bxc6
        • 2.Bc4#
      • 1...Ke6!
    • 1.Qc2?
      • threat
        • 2.Qb3#
        • 2.Qc4#
      • 1...bxc6
        • 2.Qc4#
      • 1...Bc3
        • 2.Qb3#
        • 2.Qa2#
      • 1...Ke6!
    • 1.Qf5?
      • threat
        • 2.e6#
      • 1...Bxd4
        • 2.Se7#
      • 1...Be6
        • 2.Qe4#
      • 1...bxc6!
  • Keys
    • 1.e6!
      • threat
        • 2.Qf5#
      • 1...Kxe6
        • 2.Qf5#
      • 1...Bxd4
        • 2.Qa2#
      • 1...Bxe6
        • 2.Se7#
      • 1...bxc6
        • 2.Bc4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 5
  • Sets
    • B(a);OGATE::QAB(A)
    • B(a);OGATE,XP(D)::QAB(A)
    • B(f);SBLOCK::S(G)
    • B(f);N_GUARD::QAB(A),XB(f)
    • P(d);SBLOCK,XS(G)::B(E)
  • Tries
    • Try
      • Q(A);XB(a)
      • Threat
        • DUALS(2)
      • Vars
        • P(d);SBLOCK,XS(G)::B(E)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • Q(A);
      • Threat
        • DUALS(2)
      • Vars
        • P(d);XS(G)::QAB1(A)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • Q(A);
      • Threat
        • QAR(A)+P(F)
      • Vars
        • B(a);SBLOCK,XP(D)::S(G)
        • B(f);SBLOCK::QAB1(A)
      • Refutation
        • P(d);XS(G)
  • Actual
    • P(F);
    • Threat
      • QAR2(A)
    • Vars
      • K(c);S_FLIGHT,XP(F)::QAB1(A)
      • B(a);OGATE,XP(D)::QAB(A)
      • B(f);SBLOCK,XP(F)::S(G)
      • P(d);SBLOCK,XS(G)::B(E)
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