MESON Chess Problem Database

Problem Display
PID: 233539 (3Kb3/6nq/1pkBpp2/1Nb5/Q2p4/5R2/6R1/7B w - - 0 1)

Viksna, Kristaps

Freie Presse, 1967

3Kb3/6nq/1pkBpp2/1Nb5/Q2p4/5R2/6R1/7B

#2

7 + 9

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Rb2?
      • threat
        • 2.Qa8#
      • 1...Kd5
        • 2.Rf5#
      • 1...Bxd6
        • 2.Rc3#
      • 1...Bb4
        • 2.Rc3#
      • 1...Sf5
        • 2.Rh3#
      • 1...Sh5
        • 2.Rf5#
      • 1...Kb7!
  • Keys
    • 1.Rb3!
      • threat
        • 2.Qa8#
      • 1...Kd5
        • 2.Rg5#
      • 1...Kb7
        • 2.Rxg7#
      • 1...Bxd6
        • 2.Rc2#
      • 1...Bb4
        • 2.Rc2#
      • 1...Sf5
        • 2.Rh2#
      • 1...Sh5
        • 2.Rg6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(B);
      • Threat
        • QAB(D)
      • Vars
        • K(d);S_FLIGHT::B(A)+R(C),DCHECK
        • B(b);XB(F)::B(A)+R(C),DCHECK
        • B(b);::B(A)+R(C),DCHECK
        • S(g);S_CUTQ(h)::B(A)+R(C)
      • Refutation
        • K(d);S_FLIGHT
  • Actual
    • R(C);
    • Threat
      • QAB(D)
    • Vars
      • K(d);S_FLIGHT::B(A)+R(B),DCHECK
      • K(d);S_FLIGHT::B(A)+R(B),DCHECK,XS(g)
      • B(b);XB(F)::B(A)+R(B),DCHECK
      • B(b);::B(A)+R(B),DCHECK
      • S(g);S_CUTQ(h)::B(A)+R(B)
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