MESON Chess Problem Database

Problem Display
PID: 89944 (4B3/6K1/3N4/4p3/6k1/4Q3/8/8 w - - 0 1)

Markovtsy, Vassyl Yuriovich

Die Schwalbe, 1998

4B3/6K1/3N4/4p3/6k1/4Q3/8/8

#2

4 + 2

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Sf5?
      • 1...Kxf5
        • 2.Bd7#
      • 1...e4!
    • 1.Bd7+?
      • 1...Kh5
        • 2.Qh6#
      • 1...Kh4!
    • 1.Qf2?
      • 1...Kh3
        • 2.Bd7#
      • 1...Kg5
        • 2.Qg3#
      • 1...e4!
  • Keys
    • 1.Se4!
      • 1...Kh4
        • 2.Qg3#
      • 1...Kf5
        • 2.Bd7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(B);
      • Vars
        • K(a);OGATEB,S_FLIGHT,XS(B)::B(D)
      • Refutation
        • P(b);
    • Try
      • B(D);CHECK
      • Vars
        • K(a);S_FLIGHT::QAR1(A)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(A);
      • Vars
        • K(a);S_FLIGHT::B(D)
        • K(a);P-FLIGHT::QAR2(A)
      • Refutation
        • P(b);
  • Actual
    • S(B);
    • Vars
      • K(a);P-FLIGHT::QAB1(A)
      • K(a);S_FLIGHT::B(D)
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