MESON Chess Problem Database

Problem Display
PID: 35733 (4B3/8/4p3/K7/8/1P6/k7/2Q5 w - - 0 1)

Reitman, Mark

6th HM., Vecherni Magadan, 1997

4B3/8/4p3/K7/8/1P6/k7/2Q5

#2

4 + 2

3657 Izbrannie Shakhmatnie Zadachi Marka Reitmana 2000
5454 Near Snap 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Bb5?
      • 1...Kxb3
        • 2.Bc4#
      • 1...e5!
    • 1.Bd7?
      • 1...Kxb3
        • 2.Bxe6#
      • 1...e5!
    • 1.Qa3+?
      • 1...Kb1
        • 2.Bg6#
      • 1...Kxa3!
    • 1.b4?
      • 1...e5
        • 2.Bf7#
      • 1...Kb3!
  • Keys
    • 1.Bf7!
      • 1...Kxb3
        • 2.Bxe6#
      • 1...e5
        • 2.b4#

Anticipated by 210138(1979)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(D);
      • Vars
        • K(a);OGATEB,S_FLIGHT,XP(B)::B(D)
      • Refutation
        • P(b);
    • Try
      • B(D);
      • Vars
        • K(a);OGATEB,S_FLIGHT,XP(B)::B(D),XP(b)
      • Refutation
        • P(b);
    • Try
      • Q(A);CHECK
      • Vars
        • K(a);S_FLIGHT::B(D)
      • Refutation
        • K(a);P-FLIGHT,XQ(A)
    • Try
      • P(B);
      • Vars
        • P(b);OGATEB::B(D)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • B(D);
    • Vars
      • K(a);OGATEB,P_SPINP(b),S_FLIGHT,XP(B)::B(D),XP(b)
      • P(b);::B(D)+P(B)
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