MESON Chess Problem Database

Problem Display
PID: 1035 (8/8/3B4/1Q1p4/B7/3N4/3k4/5K2 w - - 0 1)

Zarhs, Aleksandr

The Problemist Supplement, 1997

8/8/3B4/1Q1p4/B7/3N4/3k4/5K2

#2

5 + 2

SOLUTION

  • SOUND
  • Tries
    • 1.Sc1?
      • 1...Kxc1
        • 2.Bf4#
      • 1...Kc3
        • 2.Qb4#
      • 1...Ke3
        • 2.Qd3#
      • 1...d4!
    • 1.Se1?
      • 1...Kc1
        • 2.Bf4#
      • 1...Kc3
        • 2.Qb4#
      • 1...Ke3
        • 2.Qd3#
      • 1...d4!
    • 1.Sf2?
      • 1...Kc1
        • 2.Bf4#
      • 1...Kc3
        • 2.Qb4#
      • 1...Ke3
        • 2.Qd3#
      • 1...d4!
  • Keys
    • 1.Qxd5!
      • 1...Kc3
        • 2.Bb4#
      • 1...Ke3
        • 2.Bf4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(B);
      • Vars
        • K(a);S_FLIGHT,XS(B)::B(E)
        • K(a);S_FLIGHT::QAB1(D)
        • K(a);S_FLIGHT::QAR1(D)
      • Refutation
        • P(b);
    • Try
      • S(B);
      • Vars
        • K(a);S_FLIGHT::B(E)
        • K(a);S_FLIGHT::QAB1(D)
        • K(a);S_FLIGHT::QAR1(D)
      • Refutation
        • P(b);
    • Try
      • S(B);
      • Vars
        • K(a);S_FLIGHT::B(E)
        • K(a);S_FLIGHT::QAB1(D)
        • K(a);S_FLIGHT::QAR1(D)
      • Refutation
        • P(b);
  • Actual
    • Q(D);XP(b)
    • Vars
      • K(a);S_FLIGHT::B(E)
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