MESON Chess Problem Database

Problem Display
PID: 175709 (8/8/5Q2/5B2/8/4k3/8/5K2 w - - 0 1)

Link, Otto

Vidi vici auf dem Schachbrett, 1921

8/8/5Q2/5B2/8/4k3/8/5K2

#2

3 + 1

5454 Near Snap 2018
6490 yacpdb 2018

SOLUTION

  • SOUND
  • Tries
    • 1.Qb2?
      • threat
        • 2.Qf2#
      • 1...Kf3
        • 2.Qf2#
      • 1...Kf4!
    • 1.Qd4+?
      • 1...Kf3
        • 2.Qf2#
      • 1...Kxd4!
    • 1.Qe5+?
      • 1...Kd2
        • 2.Qe1#
      • 1...Kf3!
  • Keys
    • 1.Qh4!
      • threat
        • 2.Qf2#
      • 1...Kd2
        • 2.Qe1#
      • 1...Kf3
        • 2.Qf2#

Anticipated by 47228(1850)

This anticipates 214060(1973)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(C);
      • Threat
        • QAB1(C)
      • Vars
        • K(a);P-FLIGHT::QAR1(C)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(C);CHECK
      • Vars
        • K(a);OGATE,P-FLIGHT::QAR1(C)
      • Refutation
        • K(a);S_FLIGHT,XQ(C)
    • Try
      • Q(C);CHECK
      • Vars
        • K(a);OGATE,S_FLIGHT::QAB1(C)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • Q(C);
    • Threat
      • QAB1(C)
    • Vars
      • K(a);S_FLIGHT::QAB1(C)
      • K(a);P-FLIGHT::QAR1(C)
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