MESON Chess Problem Database

Problem Display
PID: 21252 (4R3/6n1/1p2b2r/3k4/P3N1P1/2KNpQ2/8/8 w - - 0 1)

Tolosa y Carreras, Jose

Problemas de Ajedrez, 1917

4R3/6n1/1p2b2r/3k4/P3N1P1/2KNpQ2/8/8

#2

7 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...Bxg4
      • 2.Sb4#
    • 1...Bf5
      • 2.Sb4#
    • 1...Bd7
      • 2.Sb4#
    • 1...Bf7
      • 2.Sb4#
    • 1...Bc8
      • 2.Sb4#
    • 1...Bg8
      • 2.Sb4#
  • Keys
    • 1.Qf7!
      • threat
        • 2.Qb7#
      • 1...Kxe4
        • 2.Qb7#
      • 1...Kc6
        • 2.Sb4#
      • 1...Bxf7
        • 2.Sb4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 5
  • Sets
    • B(d);XP(F)::S(B)
    • B(d);::S(B)
  • Actual
    • Q(C);P_PINB(d)
    • Threat
      • QAB(C)
    • Vars
      • K(b);S_FLIGHT,XS(E)::QAB(C)
      • K(b);N_SPINB(d),S_FLIGHT::S(B)
      • B(d);N_SPINB(d),XQ(C)::S(B)
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