MESON Chess Problem Database

Problem Display
PID: 144788 (K7/1N3QpB/6N1/2bp2p1/Rn2k3/3pq2R/2nP4/2r5 w - - 0 1)

Rice, John Michael

Chess, 1954

K7/1N3QpB/6N1/2bp2p1/Rn2k3/3pq2R/2nP4/2r5

#2

8 + 10

SOLUTION

  • SOUND
  • Sets
    • 1...Qd4
      • 2.Qf3#
    • 1...Bd4
      • 2.Sd6#
    • 1...Sd4
      • 2.Rxe3#
    • 1...d4
      • 2.Sxc5#
      • 2.Qe6#
  • Tries
    • 1.Qf6?
      • threat
        • 2.Qe5#
      • 1...Qxh3
        • 2.Sxc5#
      • 1...Qd4
        • 2.Qf3#
      • 1...Qf4
        • 2.Sxc5#
      • 1...Qg3
        • 2.Sxc5#
      • 1...Bd4
        • 2.Sd6#
      • 1...Bd6
        • 2.Sxd6#
      • 1...gxf6!
  • Keys
    • 1.Bg8!
      • threat
        • 2.Qxd5#
      • 1...Kd4
        • 2.Qxd5#
      • 1...Qd4
        • 2.Qf3#
      • 1...Bd4
        • 2.Sd6#
      • 1...Sd4
        • 2.Rxe3#
      • 1...d4
        • 2.Sxc5#
        • 2.Qe6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • Q(d);N_GUARD,N_SPINS(e),SBLOCK::QAB1(F)
    • B(g);N_GUARD,N_SPINS(e),SBLOCK::S(E)
    • S(b);N_GUARD,N_SPINS(e),SBLOCK,S_CUTB(g)::R1(B),XQ(d)
  • Tries
    • Try
      • Q(F);
      • Threat
        • QAR1(F)
      • Vars
        • Q(d);N_GUARD,XR(B)::S(E),XB(g)
        • Q(d);N_GUARD,N_SPINS(e),SBLOCK::QAB1(F)
        • Q(d);N_GUARD::S(E),XB(g)
        • B(g);N_GUARD,N_SPINS(e)::S(E)
        • B(g);N_GUARD::S(E),XB(g)
      • Refutation
        • P(j);XQ(F)
  • Actual
    • B(G);
    • Threat
      • QAB1(F),XP(h)
    • Vars
      • K(f);P-FLIGHT::QAR1(F),XP(h)
      • Q(d);N_GUARD,N_SPINS(e),SBLOCK::QAB1(F)
      • B(g);N_GUARD,N_SPINS(e),SBLOCK::S(E)
      • S(b);N_GUARD,N_SPINS(e),SBLOCK,S_CUTB(g)::R1(B),XQ(d)
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