MESON Chess Problem Database

Problem Display
PID: 68203 (KN6/4Bp2/QPnP4/1N1kpBR1/3P4/Pp3P2/2n1r3/2R5 w - - 0 1)

Gebura, Stanislaw

Phenix, 1997

KN6/4Bp2/QPnP4/1N1kpBR1/3P4/Pp3P2/2n1r3/2R5

#2

13 + 7

SOLUTION

  • SOUND
  • Sets
    • 1...Sa1
      • 2.Rc5#
    • 1...Se1
      • 2.Rc5#
    • 1...Sxa3
      • 2.Rc5#
    • 1...Se3
      • 2.Rc5#
    • 1...S2b4
      • 2.Rc5#
    • 1...S2xd4
      • 2.Sc7#
  • Tries
    • 1.Be6+?
      • 1...Kxe6
        • 2.Sc7#
      • 1...fxe6!
    • 1.Qb7?
      • threat
        • 2.Qxc6#
      • 1...Kc4
        • 2.Qxc6#
      • 1...Sxd4
        • 2.Sc7#
      • 1...Sb4
        • 2.Rc5#
      • 1...exd4!
  • Keys
    • 1.Qc8!
      • threat
        • 2.Qxc6#
      • 1...Kc4
        • 2.Qxc6#
      • 1...S2xd4
        • 2.Sc7#
      • 1...S6xd4
        • 2.Sc3#
      • 1...Sxe7
        • 2.Qc5#
      • 1...Sxb8
        • 2.Qc5#
      • 1...exd4
        • 2.Be6#
      • 1...S2b4
        • 2.Rc5#
      • 1...S6b4
        • 2.Qc5#
      • 1...Sa5
        • 2.Qc5#
      • 1...Sa7
        • 2.Qc5#
      • 1...Sd8
        • 2.Qc5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 9
    • REMOVED MATES = 4
  • Sets
    • S(a);OGATE::R1(A)
    • S(a);OGATE,XP(B)::R1(A)
    • S(a);SBLOCK,XP(D)::S(E)
  • Tries
    • Try
      • B(F);CHECK,P_PINP(e)
      • Vars
        • K(d);N_SPINP(e),S_FLIGHT,XB(F)::S(E)
      • Refutation
        • P(g);XB(F)
    • Try
      • Q(H);P_PINS(f)
      • Threat
        • QAB1(H),XS(f)
      • Vars
        • K(d);N_SPINS(f),P_SPINS(a),S_FLIGHT::QAR2(H),XS(f)
        • S(a);SBLOCK,XP(D)::S(E)
        • S(a);OGATE::R1(A)
      • Refutation
        • P(e);XP(D)
  • Actual
    • Q(H);
    • Threat
      • QAB1(H),XS(f)
    • Vars
      • K(d);P_SPINS(a),S_FLIGHT::QAR2(H),XS(f)
      • S(a);SBLOCK,XP(D)::S(E)
      • S(f);SBLOCK,XP(D)::S(E)
      • S(f);OGATE,XB(K)::QAR1(H)
      • S(f);OGATE,XS(M)::QAR1(H)
      • P(e);XP(D)::R(G)+B(F),DCHECK
      • S(a);OGATE::R1(A)
      • S(f);OGATE::QAR1(H)
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