MESON Chess Problem Database

Problem Display
PID: 68186 (rQq1n1B1/2b1P3/2P2B2/3p1kpP/6N1/2RNPK2/1p6/8 w - - 0 1)

Petite, Efren

Phenix, 1998

rQq1n1B1/2b1P3/2P2B2/3p1kpP/6N1/2RNPK2/1p6/8

#2

11 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Qe6
      • 2.Bh7#
    • 1...Ra1
      • 2.Qxc8#
    • 1...Ra2
      • 2.Qxc8#
    • 1...Ra3
      • 2.Qxc8#
    • 1...Ra4
      • 2.Qxc8#
    • 1...Ra5
      • 2.Qxc8#
    • 1...Ra6
      • 2.Qxc8#
    • 1...Ra7
      • 2.Qxc8#
    • 1...Ba5
      • 2.Qe5#
    • 1...Be5
      • 2.Qxe5#
    • 1...Bb6
      • 2.Qe5#
    • 1...Bd8
      • 2.Qe5#
    • 1...Sxf6
      • 2.Sh6#
    • 1...d4
      • 2.e4#
  • Tries
    • 1.Bd4?
      • threat
        • 2.Sh6#
      • 1...Be5
        • 2.Qxe5#
      • 1...Qe6!
    • 1.Be5?
      • threat
        • 2.Sh6#
      • 1...Bxe5
        • 2.Qxe5#
      • 1...Qe6!
  • Keys
    • 1.Rc5!
      • threat
        • 2.e4#
      • 1...Sxf6
        • 2.Sh6#
      • 1...Qe6
        • 2.Bh7#
      • 1...Ra4
        • 2.Qxc8#
      • 1...Be5
        • 2.Qxe5#
      • 1...Sd6
        • 2.Rxd5#

There are these versions: 168301

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 10
  • Sets
    • Q(g);SBLOCK::B(K)
    • R(f);N_GUARD::QAB(J),XQ(g)
    • B(e);OGATE::QAR1(J)
    • B(e);OGATE::QAR1(J),XB(e)
    • S(h);SBLOCK,XB(H)::S(E)
    • P(b);N_GUARD::P(C)
  • Tries
    • Try
      • B(H);
      • Threat
        • S(E)
      • Vars
        • B(e);OGATE::QAR1(J),XB(e)
      • Refutation
        • Q(g);
    • Try
      • B(H);
      • Threat
        • S(E)
      • Vars
        • B(e);OGATE,XB(H)::QAR1(J),XB(e)
      • Refutation
        • Q(g);
  • Actual
    • R(A);P_PINP(b)
    • Threat
      • P(C)
    • Vars
      • S(h);SBLOCK,XB(H)::S(E)
      • Q(g);SBLOCK::B(K)
      • R(f);N_GUARD::QAB(J),XQ(g)
      • B(e);N_SPINP(b),OGATE::QAR1(J),XB(e)
      • S(h);S_CUTB(e)::R(A),XP(b)
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