MESON Chess Problem Database

Problem Display
PID: 227582 (8/8/1N1p2p1/8/3k2K1/B6Q/2ppP3/8 w - - 0 1)

Neiman, Moisei Borisovich

64 Shakhmatnoe obozrenie, 1926

8/8/1N1p2p1/8/3k2K1/B6Q/2ppP3/8

#2

5 + 5

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Tries
    • 1.Kf4?
      • threat
        • 2.Qd3#
        • 2.Qe3#
        • 2.Qh8#
      • 1...c1S
        • 2.Qe3#
        • 2.Qh8#
      • 1...d1Q
        • 2.Qe3#
        • 2.Qh8#
      • 1...d1S
        • 2.Qd3#
        • 2.Qh8#
      • 1...d1R
        • 2.Qe3#
        • 2.Qh8#
      • 1...g5+!
    • 1.Bb2+?
      • 1...Ke4
        • 2.Qd3#
        • 2.Qf3#
      • 1...Kc5!
  • Keys
    • 1.Kf3!
      • threat
        • 2.Qh8#
      • 1...Kc3
        • 2.Ke4#
      • 1...Ke5
        • 2.Bb2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(D);P-FLIGHT
      • Threat
        • DUALS(3)
      • Refutation
        • P(e);CHECK
    • Try
      • B(B);CHECK
      • Refutation
        • K(c);S_FLIGHT
  • Actual
    • K(D);S_FLIGHT
    • Threat
      • QAB(C)
    • Vars
      • K(c);S_FLIGHT::QAR(C)+K(D)
      • K(c);S_FLIGHT::B(B)
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