MESON Chess Problem Database

Problem Display
PID: 119731 (Q2B4/3K3b/8/5k2/4R3/8/4P1n1/8 w - - 0 1)

Stepochkin, Anatoly Viktorovich

Sachova skladba, 1988

Q2B4/3K3b/8/5k2/4R3/8/4P1n1/8

#2

5 + 3

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Bg6
      • 2.Qd5#
  • Tries
    • 1.Re6?
      • threat
        • 2.Qe4#
      • 1...Kf4
        • 2.Qf3#
      • 1...Kg4
        • 2.Qf3#
      • 1...Sf4!
  • Keys
    • 1.Rg4!
      • threat
        • 2.Qe4#
      • 1...Kxg4
        • 2.Qf3#
      • 1...Ke5
        • 2.Qa5#
      • 1...Sf4
        • 2.Rg5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 1
  • Sets
    • B(c);SBLOCK::QAR2(D)
  • Tries
    • Try
      • R(B);
      • Threat
        • QAB1(D)
      • Vars
        • K(b);P-FLIGHT::QAR1(D)
        • K(b);S_FLIGHT::QAB1(D)
      • Refutation
        • S(a);
  • Actual
    • R(B);
    • Threat
      • QAB1(D)
    • Vars
      • K(b);S_FLIGHT,XR(B)::QAB1(D)
      • K(b);P-FLIGHT::QAR(D)
      • S(a);SBLOCK::R1(B)
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