MESON Chess Problem Database

Problem Display
PID: 102000 (8/3R3N/3R1b2/4kp1n/3p3P/K1Pn1rrP/2BN1PbB/8 w - - 0 1)

Candela Sanz, Rafael

SEPA, 1964

8/3R3N/3R1b2/4kp1n/3p3P/K1Pn1rrP/2BN1PbB/8

#2

11 + 9

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Sdf4
      • 2.Sc4#
    • 1...Shf4
      • 2.cxd4#
  • Tries
    • 1.Rd5+?
      • 1...Ke6
        • 2.Sf8#
      • 1...Kf4!
  • Keys
    • 1.Sf8!
      • threat
        • 2.Sg6#
      • 1...Kf4
        • 2.Sg6#
      • 1...Rf4
        • 2.Re6#
      • 1...Sdf4
        • 2.Sc4#
      • 1...Shf4
        • 2.cxd4#
      • 1...f4
        • 2.Rd5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • S(b);N_SPINR(d),P_PINP(F),SBLOCK::S(B)
    • S(h);N_SPINR(d),SBLOCK::P(F),XP(e)
  • Tries
    • Try
      • R(I);CHECK
      • Vars
        • K(f);N_SPINR(d),P-FLIGHT::S(K)
      • Refutation
        • K(f);S_FLIGHT
  • Actual
    • S(K);
    • Threat
      • S(K)
    • Vars
      • K(f);S_FLIGHT::S(K)
      • R(c);N_SPINR(d),SBLOCK::R1(I)
      • S(b);N_SPINR(d),P_PINP(F),SBLOCK::S(B)
      • S(h);N_SPINR(d),SBLOCK::P(F),XP(e)
      • P(g);N_SPINR(d),SBLOCK::R1(I)
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