MESON Chess Problem Database

Problem Display
PID: 198640 (8/8/4B2Q/8/8/4K3/2k1P3/3R4 w - - 0 1)

Link, Otto

Vidi vici auf dem Schachbrett, 1921

8/8/4B2Q/8/8/4K3/2k1P3/3R4

#2

5 + 1

5454 Near Snap 2019
6490 yacpdb 2019

SOLUTION

  • SOUND
  • Tries
    • 1.Kf3?
      • threat
        • 2.Qc1#
        • 2.Qd2#
      • 1...Kb2
        • 2.Qc1#
      • 1...Kc3
        • 2.Qd2#
      • 1...Kxd1!
    • 1.Kd4?
      • threat
        • 2.Qc1#
        • 2.Qd2#
      • 1...Kb2
        • 2.Qc1#
      • 1...Kxd1!
    • 1.Ke4?
      • threat
        • 2.Qc1#
        • 2.Qd2#
      • 1...Kb2
        • 2.Qc1#
      • 1...Kc3
        • 2.Qd2#
      • 1...Kxd1!
    • 1.Rd2+?
      • 1...Kb1
        • 2.Qh1#
      • 1...Kc1
        • 2.Qh1#
      • 1...Kc3!
  • Keys
    • 1.Kf2!
      • threat
        • 2.Qc1#
        • 2.Qd2#
      • 1...Kxd1
        • 2.Bb3#
      • 1...Kb2
        • 2.Qc1#
      • 1...Kc3
        • 2.Qd2#

This anticipates 149370(1923)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(C);P-FLIGHT
      • Threat
        • DUALS(2)
      • Vars
        • K(a);P-FLIGHT::QAB1(E)
      • Refutation
        • K(a);S_FLIGHT,XR(A)
    • Try
      • K(C);S_FLIGHT
      • Threat
        • DUALS(2)
      • Vars
        • K(a);P-FLIGHT::QAB1(E)
      • Refutation
        • K(a);S_FLIGHT,XR(A)
    • Try
      • K(C);P-FLIGHT
      • Threat
        • DUALS(2)
      • Vars
        • K(a);P-FLIGHT::QAB1(E)
      • Refutation
        • K(a);S_FLIGHT,XR(A)
    • Try
      • R(A);CHECK
      • Vars
        • K(a);S_FLIGHT::QAR(E)
        • K(a);P-FLIGHT::QAR(E)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • K(C);S_FLIGHT
    • Threat
      • DUALS(2)
    • Vars
      • K(a);S_FLIGHT,XR(A)::B(D)
      • K(a);P-FLIGHT::QAB1(E)
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