MESON Chess Problem Database

Problem Display
PID: 152217 (6R1/2n2r2/5kBp/3PN2p/2K2b1r/B2Np1p1/8/1Q3R2 w - - 0 1)

Marin y Llovet, Valentin

1st HM., Good Companions (February), 1914

6R1/2n2r2/5kBp/3PN2p/2K2b1r/B2Np1p1/8/1Q3R2

#2

9 + 9

SOLUTION

  • SOUND
  • Tries
    • 1.Sc1?
      • threat
        • 2.Qf5#
      • 1...Kxe5
        • 2.Qa1#
        • 2.Qb2#
      • 1...Kg5!
    • 1.Se1?
      • threat
        • 2.Qf5#
      • 1...Kxe5
        • 2.Qa1#
        • 2.Qb2#
      • 1...Kg5!
    • 1.Rxf4+?
      • 1...Kg5
        • 2.Sf3#
        • 2.Sxf7#
        • 2.Bxf7#
      • 1...Rxf4+!
  • Keys
    • 1.Sf2!
      • threat
        • 2.Qf5#
      • 1...Bxe5+
        • 2.Se4#
      • 1...Bg5+
        • 2.Sfg4#
      • 1...Kxe5
        • 2.Qa1#
        • 2.Qb2#
      • 1...Kg5
        • 2.Se4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(D);
      • Threat
        • QAR1(A)
      • Refutation
        • K(f);N_SPINB(c),S_FLIGHT
    • Try
      • S(D);
      • Threat
        • QAR1(A)
      • Refutation
        • K(f);N_SPINB(c),S_FLIGHT
    • Try
      • R(B);CHECK,P_SPINR(B),XB(c)
      • Refutation
        • R(d);CHECK,XR(B)
  • Actual
    • S(D);N_PINB(c)
    • Threat
      • QAR1(A)
    • Vars
      • B(c);CHECK,SBLOCK,XS(G)::R(B)+S(D),DCHECK
      • B(c);CHECK,SBLOCK::R(B)+S(D),DCHECK
      • K(f);S_FLIGHT::S(D)
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