MESON Chess Problem Database

Problem Display
PID: 96972 (3K1BB1/2PPNRP1/4kPP1/4P3/1P2R3/3nNn2/bq2Q3/8 w - - 0 1)

Kapros, Jorge Marcelo

Problemas, 1994

3K1BB1/2PPNRP1/4kPP1/4P3/1P2R3/3nNn2/bq2Q3/8

#2

15 + 5

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Sc1
      • 2.Qa6#
    • 1...Sde1
      • 2.Qa6#
    • 1...Sf2
      • 2.Qa6#
    • 1...Sf4
      • 2.Qa6#
    • 1...Sdxe5
      • 2.Qa6#
    • 1...Sfe1
      • 2.Qg4#
    • 1...Sg1
      • 2.Qg4#
    • 1...Sd2
      • 2.Qg4#
    • 1...Sg5
      • 2.Qg4#
  • Tries
    • 1.S7d5?
      • threat
        • 2.Re7#
      • 1...Sdxe5
        • 2.Sf4#
        • 2.Qa6#
      • 1...Sfxe5
        • 2.Qg4#
      • 1...Qxe5!
    • 1.S7f5?
      • threat
        • 2.Re7#
      • 1...Qxe5
        • 2.Qxa2#
      • 1...Sdxe5
        • 2.Qa6#
      • 1...Sfxe5!
    • 1.Sc6?
      • threat
        • 2.Re7#
      • 1...Qxe5
        • 2.Qxa2#
      • 1...Sfxe5
        • 2.Qg4#
      • 1...Sdxe5!
  • Keys
    • 1.Sc8!
      • threat
        • 2.Re7#
      • 1...Qxe5
        • 2.Qxa2#
      • 1...Sdxe5
        • 2.Qa6#
      • 1...Sfxe5
        • 2.Qg4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 8
  • Sets
    • S(c);OGATE::QAR(A)
    • S(c);OGATE,P_SPINS(c),XP(E)::QAR(A)
    • S(d);OGATE::QAB(A)
  • Tries
    • Try
      • S(J);
      • Threat
        • B(O)+R(K),DCHECK
      • Vars
        • S(d);OGATE,P_SPINS(d),XP(E)::QAB(A)
      • Refutation
        • Q(b);P_SPINQ(b),XP(E)
    • Try
      • S(J);
      • Threat
        • B(O)+R(K),DCHECK
      • Vars
        • Q(b);OGATE,P_SPINQ(b),XP(E)::QAB(A),XB(a)
        • S(c);OGATE,P_SPINS(c),XP(E)::QAR(A)
      • Refutation
        • S(d);P_SPINS(d),XP(E)
    • Try
      • S(J);
      • Threat
        • B(O)+R(K),DCHECK
      • Vars
        • Q(b);OGATE,P_SPINQ(b),XP(E)::QAB(A),XB(a)
        • S(d);OGATE,P_SPINS(d),XP(E)::QAB(A)
      • Refutation
        • S(c);P_SPINS(c),XP(E)
  • Actual
    • S(J);
    • Threat
      • B(O)+R(K),DCHECK
    • Vars
      • Q(b);OGATE,P_SPINQ(b),XP(E)::QAB(A),XB(a)
      • S(c);OGATE,P_SPINS(c),XP(E)::QAR(A)
      • S(d);OGATE,P_SPINS(d),XP(E)::QAB(A)
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