MESON Chess Problem Database

Problem Display
PID: 23892 (8/6p1/Kpk2n2/3RBB1p/1P1p1N2/1pn5/7Q/6R1 w - - 0 1)

Rice, John Michael

2nd Comm., diagrammes, 1996

8/6p1/Kpk2n2/3RBB1p/1P1p1N2/1pn5/7Q/6R1

#2

8 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Sb1
      • 2.b5#
    • 1...Sd1
      • 2.b5#
    • 1...Sa2
      • 2.b5#
    • 1...Se2
      • 2.b5#
    • 1...Sa4
      • 2.b5#
    • 1...Sce4
      • 2.b5#
    • 1...Sfe4
      • 2.Bd7#
    • 1...Sg4
      • 2.Bd7#
    • 1...Sd7
      • 2.Bxd7#
    • 1...Sh7
      • 2.Bd7#
    • 1...Se8
      • 2.Bd7#
    • 1...Sg8
      • 2.Bd7#
    • 1...b5
      • 2.Rc5#
  • Tries
    • 1.Rc1?
      • threat
        • 2.b5#
      • 1...b5
        • 2.Rc5#
      • 1...Sxd5!
    • 1.Qe2?
      • threat
        • 2.Qc4#
      • 1...Sxe2
        • 2.b5#
      • 1...Sa4
        • 2.Qb5#
        • 2.b5#
      • 1...Sce4
        • 2.Qb5#
        • 2.b5#
      • 1...Sfe4
        • 2.Bd7#
      • 1...Sd7
        • 2.Bxd7#
      • 1...b5
        • 2.Rc5#
      • 1...d3!
    • 1.Qg2?
      • threat
        • 2.Rc5#
      • 1...Scxd5
        • 2.Rc1#
      • 1...Sce4
        • 2.b5#
      • 1...Sfe4
        • 2.Bd7#
      • 1...Sfxd5!
  • Keys
    • 1.Qh1!
      • threat
        • 2.Rc5#
      • 1...Scxd5
        • 2.Rc1#
      • 1...Sfxd5
        • 2.Rg6#
      • 1...Sce4
        • 2.b5#
      • 1...Sfe4
        • 2.Bd7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 11
  • Sets
    • S(b);N_GUARD::P(C)
    • S(g);N_GUARD::B(G)
    • S(g);N_GUARD::B(G),XS(g)
    • P(e);N_GUARD::R1(E)
  • Tries
    • Try
      • R(A);P_PINS(b)
      • Threat
        • P(C)
      • Vars
        • P(e);N_GUARD::R1(E)
      • Refutation
        • S(g);XR(E)
    • Try
      • Q(B);
      • Threat
        • QAR2(B)
      • Vars
        • S(b);N_GUARD,XQ(B)::P(C)
        • S(g);N_GUARD::B(G)
        • S(g);N_GUARD::B(G),XS(g)
        • P(e);N_GUARD::R1(E)
      • Refutation
        • P(c);
    • Try
      • Q(B);
      • Threat
        • QAB(B)+R(E),DCHECK
      • Vars
        • S(b);OGATEB,P_SPINS(b),XR(E)::R(A)
        • S(b);N_GUARD::P(C)
        • S(g);N_GUARD::B(G)
      • Refutation
        • S(g);P_SPINS(g),XR(E)
  • Actual
    • Q(B);
    • Threat
      • QAB(B)+R(E),DCHECK
    • Vars
      • S(b);OGATEB,P_SPINS(b),XR(E)::R(A)
      • S(g);OGATEB,P_SPINS(g),XR(E)::R(A)
      • S(b);N_GUARD::P(C)
      • S(g);N_GUARD::B(G)
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