MESON Chess Problem Database

Problem Display
PID: 245956 (B7/7Q/8/B4N2/8/3k2p1/8/K7 w - - 0 1)

Lincoln, Robert A

Sem Shakhmatnikh not, 2011

B7/7Q/8/B4N2/8/3k2p1/8/K7

#2

5 + 2

5454 Near Snap 2021
15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Qh1?
      • threat
        • 2.Qe4#
      • 1...Kc2
        • 2.Qb1#
      • 1...Ke2
        • 2.Qf3#
      • 1...Kc4
        • 2.Qd5#
      • 1...g2!
  • Keys
    • 1.Qb7!
      • threat
        • 2.Qe4#
      • 1...Kc2
        • 2.Qb1#
      • 1...Ke2
        • 2.Qf3#
      • 1...Kc4
        • 2.Qd5#

Anticipated by 1937(1853), 223214(1886)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(D);
      • Threat
        • QAB1(D)
      • Vars
        • K(a);S_FLIGHT::QAB1(D)
      • Refutation
        • P(b);
  • Actual
    • Q(D);
    • Threat
      • QAB1(D)
    • Vars
      • K(a);S_FLIGHT::QAB1(D)
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