MESON Chess Problem Database

Problem Display
PID: 21247 (5Q2/2N4B/2p5/2R1P1p1/1p1kn1P1/1P2n3/8/2K5 w - - 0 1)

Tolosa y Carreras, Jose

Problemas de Ajedrez, 1917

5Q2/2N4B/2p5/2R1P1p1/1p1kn1P1/1P2n3/8/2K5

#2

8 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...Sd2
      • 2.Se6#
    • 1...Sf2
      • 2.Se6#
    • 1...Sc3
      • 2.Se6#
    • 1...Sg3
      • 2.Se6#
    • 1...Sd6
      • 2.Se6#
    • 1...Sf6
      • 2.Se6#
  • Tries
    • 1.Qd6+?
      • 1...Sxd6
        • 2.Se6#
      • 1...Sd5!
  • Keys
    • 1.Qf2!
      • 1...Kd3
        • 2.Qd2#
      • 1...Kxc5
        • 2.Qxe3#
      • 1...Sxf2
        • 2.Se6#
      • 1...Sxc5
        • 2.Qb2#
      • 1...Sd2
        • 2.Se6#
      • 1...Sc3
        • 2.Se6#
      • 1...Sg3
        • 2.Se6#
      • 1...Sd6
        • 2.Se6#
      • 1...Sf6
        • 2.Se6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • S(d);::S(F)
  • Tries
    • Try
      • Q(H);CHECK
      • Vars
        • S(d);XQ(H)::S(F)
      • Refutation
        • S(a);P_SPINS(a)
  • Actual
    • Q(H);P_PINS(a)
    • Vars
      • K(c);N_SPINS(a),P-FLIGHT,P_SPINS(d)::QAR1(H)
      • K(c);S_FLIGHT,XR(D)::QAB(H),XS(a)
      • S(d);N_SPINS(a),XQ(H)::S(F)
      • S(d);N_GUARD,SBLOCK,XR(D)::QAB(H)
      • S(d);::S(F)
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