MESON Chess Problem Database

Problem Display
PID: 161529 (8/2b2K2/5B2/3R4/6k1/3Q4/8/8 w - - 0 1)

Antipov, Viacheslav Pavlovich

Sa ogneupory, 1987

8/2b2K2/5B2/3R4/6k1/3Q4/8/8

#2

4 + 2

15148 Sadier Collection 2017

SOLUTION

  • SOUND
  • Sets
    • 1...Kf4
      • 2.Rd4#
    • 1...Bg3
      • 2.Qf5#
  • Tries
    • 1.Rd4+?
      • 1...Kh5
        • 2.Rh4#
        • 2.Qg6#
        • 2.Qh7#
        • 2.Qh3#
      • 1...Bf4!
    • 1.Rg5+?
      • 1...Kh4
        • 2.Qh7#
      • 1...Kf4!
    • 1.Qh3+?
      • 1...Kf4
        • 2.Rd4#
      • 1...Kxh3!
  • Keys
    • 1.Rh5!
      • threat
        • 2.Rh4#
      • 1...Kf4
        • 2.Rh4#
      • 1...Kxh5
        • 2.Qg6#
        • 2.Qh3#
      • 1...Bg3
        • 2.Qf5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • K(a);P-FLIGHT::R(B)
    • B(b);SBLOCK::QAB1(A)
  • Tries
    • Try
      • R(B);CHECK
      • Refutation
        • B(b);P_SPINB(b)
    • Try
      • R(B);CHECK
      • Vars
        • K(a);P-FLIGHT::QAR(A)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(A);CHECK
      • Vars
        • K(a);P-FLIGHT::R(B)
      • Refutation
        • K(a);S_FLIGHT,XQ(A)
  • Actual
    • R(B);
    • Threat
      • R1(B)
    • Vars
      • K(a);P-FLIGHT::R(B)
      • B(b);SBLOCK::QAB1(A)
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