MESON Chess Problem Database

Problem Display
PID: 227485 (8/3Q4/3pB1K1/4k3/8/8/2N3P1/8 w - - 0 1)

Limbach, Saturnin

Wiener Schachzeitung, 1926

8/3Q4/3pB1K1/4k3/8/8/2N3P1/8

#2

5 + 2

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Tries
    • 1.Kg5?
      • 1...d5
        • 2.Qxd5#
      • 1...Ke4!
    • 1.Qxd6+?
      • 1...Ke4
        • 2.Bf5#
        • 2.Qd4#
      • 1...Kxd6!
    • 1.Qf7?
      • threat
        • 2.Qf5#
      • 1...Ke4
        • 2.Qf5#
      • 1...d5!
    • 1.g3?
      • 1...d5
        • 2.Qxd5#
      • 1...Ke4!
  • Keys
    • 1.Bf5!
      • 1...Kf4
        • 2.Qxd6#
      • 1...Kd5
        • 2.Qb5#
      • 1...d5
        • 2.Qc7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(D);P-FLIGHT
      • Vars
        • P(b);OGATE::QAR1(E),XP(b)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(E);CHECK,XP(b)
      • Refutation
        • K(a);S_FLIGHT,XQ(E)
    • Try
      • Q(E);
      • Threat
        • QAR1(E)
      • Vars
        • K(a);P-FLIGHT::QAB1(E)
      • Refutation
        • P(b);
    • Try
      • P(B);
      • Vars
        • P(b);OGATE::QAR1(E),XP(b)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • B(C);
    • Vars
      • K(a);S_FLIGHT::QAB(E),XP(b)
      • K(a);P-FLIGHT,P_SPINP(b)::QAR2(E)
      • P(b);OGATEB,SBLOCK::QAB(E)
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