MESON Chess Problem Database

Problem Display
PID: 109715 (8/1Kpp4/3kp3/3p2Q1/1P6/2PNn1b1/8/6B1 w - - 0 1)

Wielgos, Oskar

Scacco!, 1986

8/1Kpp4/3kp3/3p2Q1/1P6/2PNn1b1/8/6B1

#2

6 + 7

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Sd1
      • 2.Bc5#
    • 1...Sf1
      • 2.Bc5#
    • 1...Sc2
      • 2.Bc5#
    • 1...Sg2
      • 2.Bc5#
    • 1...Sc4
      • 2.Bc5#
    • 1...Sg4
      • 2.Bc5#
    • 1...Sf5
      • 2.Bc5#
    • 1...d4
      • 2.Qc5#
    • 1...e5
      • 2.Qf6#
    • 1...c5
      • 2.bxc5#
  • Tries
    • 1.Bxe3?
      • threat
        • 2.Bc5#
      • 1...e5
        • 2.Qf6#
      • 1...d4
        • 2.Qc5#
      • 1...c5
        • 2.Bxc5#
        • 2.bxc5#
      • 1...Bf2!
    • 1.Qxg3+?
      • 1...e5
        • 2.Qxe5#
      • 1...Ke7!
  • Keys
    • 1.c4!
      • threat
        • 2.c5#
      • 1...Sxc4
        • 2.Bc5#
      • 1...dxc4
        • 2.Qc5#
      • 1...e5
        • 2.Qf6#
      • 1...c5
        • 2.bxc5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 7
  • Sets
    • S(a);OGATE::B(A)
    • P(c);OGATE::QAB1(E)
    • P(e);OGATEB::QAR2(E)
    • P(f);OGATE::P(D),XP(f)
  • Tries
    • Try
      • B(A);XS(a)
      • Threat
        • B(A)
      • Vars
        • P(e);OGATEB::QAR2(E)
        • P(c);OGATE::QAB1(E)
      • Refutation
        • B(b);
    • Try
      • Q(E);CHECK,XB(b)
      • Vars
        • P(e);P_SPINP(e)::QAB1(E),XP(e)
      • Refutation
        • K(d);S_FLIGHT
  • Actual
    • P(B);
    • Threat
      • P(B)
    • Vars
      • S(a);OGATE,XP(B)::B(A)
      • P(c);OGATE,XP(B)::QAB1(E)
      • P(e);OGATEB::QAR2(E)
      • P(f);OGATE::P(D),XP(f)
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