MESON Chess Problem Database

Problem Display
PID: 117740 (3R4/PNp5/p1kq3R/P5p1/2P1K3/8/1Q6/6b1 w - - 0 1)

Musante, Horacio Luis

El Ajedrez Espanol, 1964

3R4/PNp5/p1kq3R/P5p1/2P1K3/8/1Q6/6b1

#2

8 + 6

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Qe6+
      • 2.Rxe6#
    • 1...Qf6
      • 2.Rxf6#
    • 1...Qg6+
      • 2.Rxg6#
  • Tries
    • 1.Kf5?
      • threat
        • 2.Qg2#
      • 1...Qe6+
        • 2.Rxe6#
      • 1...Qf6+
        • 2.Rxf6#
      • 1...Qg6+
        • 2.Rxg6#
      • 1...Bf2!
  • Keys
    • 1.Qg2!
      • threat
        • 2.Kf5#
      • 1...Qe6+
        • 2.Kd3#
      • 1...Qg6+
        • 2.Ke5#
      • 1...Kxb7
        • 2.a8Q#
      • 1...Qf6
        • 2.Kd3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 3
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • Q(e);CHECK,OGATEB::R(E),XQ(e)
    • Q(e);OGATEB::R(E),XQ(e)
  • Tries
    • Try
      • K(C);S_FLIGHT
      • Threat
        • QAB(A)
      • Vars
        • Q(e);CHECK,OGATEB::R(E),XQ(e)
      • Refutation
        • B(a);
  • Actual
    • Q(A);
    • Threat
      • QAB(A)+K(C)
    • Vars
      • Q(e);CHECK::QAB(A)+K(C)
      • K(d);N_SPINQ(e),S_FLIGHT,XS(G)::P=Q
      • Q(e);::QAB(A)+K(C)
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