MESON Chess Problem Database

Problem Display
PID: 11799 (2q1k3/2n2N2/8/7B/3Q4/8/3K4/8 w - - 0 1)

Talaber, Laszlo

Feledvanykedvelok Lapja, 1972

2q1k3/2n2N2/8/7B/3Q4/8/3K4/8

#2

4 + 3

3295 Einfuhrung in die Welt des Schachproblem 1984
3713 Snap 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Qh3
      • 2.Qd8#
    • 1...Qg4
      • 2.Qd8#
    • 1...Qf5
      • 2.Qd8#
    • 1...Qa6
      • 2.Qd8#
    • 1...Qe6
      • 2.Qd8#
    • 1...Qb7
      • 2.Qd8#
    • 1...Qd8
      • 2.Qxd8#
  • Tries
    • 1.Sh6+?
      • 1...Kf8
        • 2.Qf6#
      • 1...Ke7!
    • 1.Qd6?
      • threat
        • 2.Se5#
        • 2.Sg5#
        • 2.Sh6#
        • 2.Sd8#
        • 2.Sh8#
      • 1...Qh3
        • 2.Qd8#
      • 1...Qg4
        • 2.Qd8#
      • 1...Qf5
        • 2.Qd8#
      • 1...Qe6
        • 2.Qd8#
      • 1...Qd8
        • 2.Se5#
        • 2.Sg5#
        • 2.Sh6#
        • 2.Sxd8#
        • 2.Sh8#
        • 2.Qxd8#
      • 1...Qd7!
  • Keys
    • 1.Qf6!
      • threat
        • 2.Se5#
      • 1...Qd7+
        • 2.Sd6#
      • 1...Qd8+
        • 2.Qxd8#
      • 1...Kd7
        • 2.Se5#
      • 1...Kf8
        • 2.Sh6#
      • 1...Qh3
        • 2.Qd8#
      • 1...Qg4
        • 2.Qd8#
      • 1...Qf5
        • 2.Qd8#
      • 1...Qe6
        • 2.Qd8#

Anticipated by 121000(0000)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 2
  • Sets
    • Q(b);N_GUARD::QAR1(B)
    • Q(b);N_GUARD,P_PINQ(B)::QAR1(B),XQ(b)
  • Tries
    • Try
      • S(D);CHECK
      • Vars
        • K(c);P-FLIGHT::QAR2(B)
      • Refutation
        • K(c);P-FLIGHT
    • Try
      • Q(B);
      • Threat
        • DUALS(5)
      • Vars
        • Q(b);N_GUARD::QAR1(B)
      • Refutation
        • Q(b);P_PINQ(B)
  • Actual
    • Q(B);
    • Threat
      • B(C)+S(D)
    • Vars
      • Q(b);CHECK,SBLOCK::B(C)+S(D),DCHECK
      • Q(b);CHECK,N_GUARD::QAR1(B),XQ(b)
      • K(c);S_FLIGHT::S(D)
      • K(c);P-FLIGHT::QAR(B)+S(D)
      • Q(b);N_GUARD::QAR1(B)
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