MESON Chess Problem Database

Problem Display
PID: 203572 (8/1p6/1B2p3/Pk2P3/4P3/KB6/1P6/8 w - - 0 1)

Boros, Sandor

Nepszava, 1924

8/1p6/1B2p3/Pk2P3/4P3/KB6/1P6/8

#2

7 + 3

6490 yacpdb 2020
5454 Near Snap 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Ka6
      • 2.Bc4#
    • 1...Kc6
      • 2.Ba4#
  • Tries
    • 1.Ka2?
      • 1...Ka6
        • 2.Bc4#
      • 1...Kc6
        • 2.Ba4#
      • 1...Kb4!
    • 1.Ba2?
      • 1...Ka6
        • 2.Bc4#
      • 1...Kc6!
    • 1.Bc2?
      • 1...Ka6
        • 2.Bd3#
      • 1...Kc6
        • 2.Ba4#
      • 1...Kc4!
    • 1.Bd5?
      • 1...Ka6
        • 2.Bc4#
      • 1...exd5!
    • 1.Bxe6?
      • 1...Ka6
        • 2.Bc4#
      • 1...Kc6!
  • Keys
    • 1.Bd1!
      • 1...Kc4
        • 2.Be2#
      • 1...Ka6
        • 2.Be2#
      • 1...Kc6
        • 2.Ba4#

This anticipates 243958(1983)

FEATURES

  • Static
    • TYPE = MUTATE
    • CHANGED MATES = 1
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(a);S_FLIGHT::B(C)
  • Tries
    • Try
      • K(B);P-FLIGHT
      • Vars
        • K(a);S_FLIGHT::B(C)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • B(C);
      • Vars
        • K(a);S_FLIGHT::B(C)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(C);
      • Vars
        • K(a);S_FLIGHT::B(C)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(C);
      • Vars
        • K(a);S_FLIGHT::B(C)
      • Refutation
        • P(b);XB(C)
    • Try
      • B(C);XP(b)
      • Vars
        • K(a);S_FLIGHT::B(C)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • B(C);
    • Vars
      • K(a);S_FLIGHT::B(C)
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Developed and maintained by Brian Stephenson.
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