MESON Chess Problem Database

Problem Display
PID: 223473 (8/8/8/7N/2Q5/1N6/5k2/7K w - - 0 1)

Keirans, Peteris

Funkschach, 1926

8/8/8/7N/2Q5/1N6/5k2/7K

#2

4 + 1

5454 Near Snap 2020
3713 Snap 2020
6490 yacpdb 2020

SOLUTION

  • SOUND
  • Tries
    • 1.Sd4?
      • threat
        • 2.Qe2#
      • 1...Ke1
        • 2.Qe2#
      • 1...Ke3!
  • Keys
    • 1.Sc1!
      • threat
        • 2.Qe2#
      • 1...Ke1
        • 2.Qe2#
      • 1...Ke3
        • 2.Qf4#
      • 1...Kf3
        • 2.Qe2#
        • 2.Qf4#

Anticipated by 201330(1926)

This anticipates 223475(1926)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(B);
      • Threat
        • QAR1(C)
      • Vars
        • K(a);S_FLIGHT::QAR1(C)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • S(B);
    • Threat
      • QAR1(C)
    • Vars
      • K(a);S_FLIGHT::QAR1(C)
      • K(a);S_FLIGHT::QAB1(C)
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