MESON Chess Problem Database

Problem Display
PID: 169893 (3R3K/B2N2R1/rn6/4N3/4k1P1/1Bqp2P1/4PP2/8 w - - 0 1)

Romero Rios, Antonio

1st Comm., SEPA, 1945

3R3K/B2N2R1/rn6/4N3/4k1P1/1Bqp2P1/4PP2/8

#2

11 + 5

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Sa4
      • 2.f3#
    • 1...Sd5
      • 2.f3#
    • 1...Sa8
      • 2.f3#
    • 1...Sc8
      • 2.f3#
  • Keys
    • 1.Re7!
      • threat
        • 2.Sf6#
      • 1...Kd4
        • 2.Sf3#
      • 1...Sxd7
        • 2.f3#
      • 1...Qc6
        • 2.Sxc6#
      • 1...Sa4
        • 2.f3#
      • 1...Sc4
        • 2.Sc5#
      • 1...Sd5
        • 2.f3#
      • 1...Sa8
        • 2.f3#
      • 1...Sc8
        • 2.f3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • S(e);::P(B)
  • Actual
    • R(I);P_SPINS(F)
    • Threat
      • S(H)
    • Vars
      • K(c);N_PINS(F),P-FLIGHT,P_SPINS(e)::S(F)
      • S(e);XS(H)::P(B)
      • Q(a);N_PINS(F)::R(I)+S(F),XQ(a)
      • S(e);::P(B)
      • S(e);S_CUTQ(a)::S(H)
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