MESON Chess Problem Database

Problem Display
PID: 199904 (8/3B4/8/3N1N2/3p4/3k4/K6Q/8 w - - 0 1)

Voronin, Vladimir

Zadachi i Etyudi, 2017

8/3B4/8/3N1N2/3p4/3k4/K6Q/8

#2

5 + 2

5454 Near Snap 2019

SOLUTION

  • SOUND
  • Tries
    • 1.Bc6?
      • 1...Kc4
        • 2.Qc2#
      • 1...Ke4!
    • 1.Be6?
      • 1...Ke4
        • 2.Qe2#
      • 1...Kc4!
    • 1.Qb2?
      • 1...Kc4
        • 2.Qxd4#
        • 2.Qb5#
      • 1...Ke4!
    • 1.Qf2?
      • 1...Kc4
        • 2.Qxd4#
      • 1...Ke4!
  • Keys
    • 1.Sfe7!
      • 1...Kc4
        • 2.Qc2#
      • 1...Ke4
        • 2.Qe2#

Anticipated by 42619(1979), 15149(1980), 38012(2000)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(E);
      • Vars
        • K(a);S_FLIGHT::QAR2(B)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(E);
      • Vars
        • K(a);S_FLIGHT::QAR2(B)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(B);
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(B);
      • Vars
        • K(a);S_FLIGHT::QAR1(B),XP(b)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • S(D);
    • Vars
      • K(a);S_FLIGHT::QAR2(B)
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