MESON Chess Problem Database

Problem Display
PID: 208458 (5N2/8/3p4/3k4/1K6/3B4/1Q1B4/2R5 w - - 0 1)

Kaiser, Gerhard

Deutsche Schachblatter, 1950

5N2/8/3p4/3k4/1K6/3B4/1Q1B4/2R5

#2

6 + 2

5454 Near Snap 2020
15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Tries
    • 1.Rc3?
      • 1...Ke5
        • 2.Rc5#
      • 1...Kd4!
  • Keys
    • 1.Kc3!
      • threat
        • 2.Qb5#
      • 1...Kc5
        • 2.Qb5#
      • 1...Ke5
        • 2.Kc4#
      • 1...Kc6
        • 2.Kd4#

Anticipated by 4576(1880), 109817(1891), 95234(1898), 92667(1900), 2409(1904), 145656(1921)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(A);
      • Vars
        • K(a);P-FLIGHT::QAB(B)+R(A),DCHECK
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • K(E);S_FLIGHT
    • Threat
      • QAR2(B)
    • Vars
      • K(a);P-FLIGHT::QAR1(B)
      • K(a);P-FLIGHT::QAB(B)+K(E)
      • K(a);S_FLIGHT::R(A)+K(E)
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