MESON Chess Problem Database

Problem Display
PID: 238502 (2B5/3p1K2/R7/Q2P2pk/2R1p2p/8/5BP1/8 w - - 0 1)

Shtern, David

Variantim, 2020

2B5/3p1K2/R7/Q2P2pk/2R1p2p/8/5BP1/8

#2

8 + 5

SOLUTION

  • SOUND
  • Tries
    • 1.Bxd7?
      • 1...e3
        • 2.Bg4#
      • 1...h3
        • 2.g4#
      • 1...g4!
    • 1.Rxe4?
      • 1...g4
        • 2.Re5#
      • 1...h3
        • 2.g4#
      • 1...d6!
  • Keys
    • 1.Qc3!
      • 1...Kg4
        • 2.Qf3#
      • 1...e3
        • 2.Qh8#
      • 1...h3
        • 2.Qxh3#
      • 1...g4
        • 2.Qe5#
      • 1...d6
        • 2.Qh8#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(H);XP(e)
      • Vars
        • P(a);::B(H)
        • P(b);N_GUARD::P(B)
      • Refutation
        • P(c);
    • Try
      • R(C);XP(a)
      • Vars
        • P(c);OGATEB,SBLOCK::R(C)
        • P(b);N_GUARD::P(B)
      • Refutation
        • P(e);
  • Actual
    • Q(D);
    • Vars
      • K(d);P_SPINP(a),S_FLIGHT::QAB1(D)
      • P(a);::QAR(D)
      • P(b);OGATEB::QAR2(D),XP(b)
      • P(c);OGATEB,SBLOCK::QAR(D)
      • P(e);::QAR(D)
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