MESON Chess Problem Database

Problem Display
PID: 226607 (3K4/8/6Q1/1p1p1RB1/4k3/1P1N2p1/4b3/8 w - - 0 1)

Strebkovs, Andrejs

Sachova skladba, 2003

3K4/8/6Q1/1p1p1RB1/4k3/1P1N2p1/4b3/8

#2

6 + 5

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Sets
    • 1...d4
      • 2.Sc5#
  • Tries
    • 1.Rf3+?
      • 1...Kd4
        • 2.Bf6#
      • 1...Kxf3!
    • 1.Qf6?
      • threat
        • 2.Sc5#
      • 1...Bxd3
        • 2.Qe5#
      • 1...Kxd3!
  • Keys
    • 1.Bd2!
      • threat
        • 2.Rf4#
      • 1...Kxd3
        • 2.Rxd5#
      • 1...Kd4
        • 2.Rf4#
      • 1...Bxd3
        • 2.Qg4#
      • 1...d4
        • 2.Sc5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • P(e);SBLOCK::S(B)
  • Tries
    • Try
      • R(C);CHECK
      • Vars
        • K(c);P-FLIGHT::B(D)
      • Refutation
        • K(c);S_FLIGHT,XR(C)
    • Try
      • Q(E);
      • Threat
        • S(B)
      • Vars
        • B(a);SBLOCK,XS(B)::QAR1(E)
      • Refutation
        • K(c);S_FLIGHT,XS(B)
  • Actual
    • B(D);
    • Threat
      • QAB(E)+R(C),DCHECK
    • Vars
      • K(c);S_FLIGHT,XS(B)::QAB(E)+R(C),DCHECK,XP(e)
      • K(c);P-FLIGHT::R(C)
      • B(a);N_GUARD,SBLOCK,XS(B)::QAR2(E)
      • P(e);SBLOCK::S(B)
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