MESON Chess Problem Database

Problem Display
PID: 245501 (2B5/8/8/4kp2/7P/B2Q3K/8/8 w - - 0 1)

Shumarin, Vladimir Pavlovich

Kudesnik, 2002

2B5/8/8/4kp2/7P/B2Q3K/8/8

#2

5 + 2

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Kf4
      • 2.Bd6#
    • 1...f4
      • 2.Bb2#
  • Tries
    • 1.Kg2?
      • 1...Kf4
        • 2.Qd4#
      • 1...f4
        • 2.Bb2#
      • 1...Kf6!
    • 1.Bc1?
      • 1...f4
        • 2.Bb2#
      • 1...Kf6!
    • 1.Bb4?
      • 1...Kf4
        • 2.Bd6#
      • 1...f4
        • 2.Bc3#
      • 1...Kf6!
    • 1.Bc5?
      • threat
        • 2.Qxf5#
        • 2.Qd4#
      • 1...Kf4
        • 2.Bd6#
        • 2.Qxf5#
        • 2.Qe3#
      • 1...f4
        • 2.Qf5#
        • 2.Qd4#
      • 1...Kf6!
    • 1.Be7?
      • 1...Kf4
        • 2.Bd6#
      • 1...f4!
    • 1.Bxf5?
      • 1...Kf4
        • 2.Bd6#
        • 2.Qe4#
      • 1...Kf6!
    • 1.Bd7?
      • 1...Kf4
        • 2.Bd6#
      • 1...f4
        • 2.Bb2#
      • 1...Kf6!
  • Keys
    • 1.Bf8!
      • 1...Kf4
        • 2.Bd6#
      • 1...Kf6
        • 2.Qxf5#
      • 1...f4
        • 2.Bg7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(a);S_FLIGHT::B(A)
    • P(b);SBLOCK::B(A)
  • Tries
    • Try
      • K(C);S_FLIGHT
      • Vars
        • K(a);S_FLIGHT::QAR2(B)
        • P(b);SBLOCK::B(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(A);
      • Vars
        • P(b);SBLOCK::B(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(A);
      • Vars
        • K(a);S_FLIGHT::B(A)
        • P(b);SBLOCK::B(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(A);
      • Threat
        • DUALS(2)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(A);
      • Vars
        • K(a);S_FLIGHT::B(A)
      • Refutation
        • P(b);
    • Try
      • B(E);XP(b)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(E);
      • Vars
        • K(a);S_FLIGHT::B(A)
        • P(b);SBLOCK::B(A)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • B(A);
    • Vars
      • K(a);S_FLIGHT::B(A)
      • K(a);S_FLIGHT::QAR1(B),XP(b)
      • P(b);SBLOCK::B(A)
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