MESON Chess Problem Database

Problem Display
PID: 196626 (1bQ5/6r1/3k1p2/2R5/4P1p1/3K4/8/4B3 w - - 0 1)

Muha, Boris

Suomen Shakki, 1985

1bQ5/6r1/3k1p2/2R5/4P1p1/3K4/8/4B3

#2

5 + 5

5454 Near Snap 2019

SOLUTION

  • SOUND
  • Sets
    • 1...Re7
      • 2.Rd5#
      • 2.Qc6#
  • Tries
    • 1.Rc6+?
      • 1...Ke5
        • 2.Bg3#
        • 2.Qf5#
      • 1...Ke7!
  • Keys
    • 1.Re5!
      • threat
        • 2.Re6#
      • 1...Kxe5
        • 2.Bg3#
      • 1...fxe5
        • 2.Bb4#
      • 1...Rc7
        • 2.Qe6#
      • 1...Bc7
        • 2.Qe6#
      • 1...Rd7
        • 2.Qc5#
      • 1...Re7
        • 2.Rd5#

Anticipated by 49407(1885), 158298(1895), 145907(1917)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(D);CHECK
      • Refutation
        • K(b);S_FLIGHT
  • Actual
    • R(D);
    • Threat
      • R1(D)
    • Vars
      • K(b);OGATEB,S_FLIGHT,XR(D)::B(A)
      • P(c);SBLOCK,XR(D)::B(A)
      • R(d);SBLOCK::QAR1(E)
      • B(e);SBLOCK::QAR1(E)
      • R(d);SBLOCK::QAB1(E)
      • R(d);SBLOCK::R1(D)
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