MESON Chess Problem Database

Problem Display
PID: 61442 (3NK3/4Pp2/3p1PN1/2pkBB1R/R2pqPp1/n1P1P3/2P5/3Q4 w - - 0 1)

Barnes, Barry Peter

Rice, John Michael

Sp. Prize, Melnichenko JT, 2004-2005

3NK3/4Pp2/3p1PN1/2pkBB1R/R2pqPp1/n1P1P3/2P5/3Q4

#2

14 + 8

56 The Problemist 2005
15323 FIDE Album (2004-2006) 2013

SOLUTION

  • SOUND
  • Sets
    • 1...Qh1
      • 2.Qxh1#
    • 1...Sb1
      • 2.c4#
    • 1...Sxc2
      • 2.c4#
    • 1...Sb5
      • 2.c4#
    • 1...d3
      • 2.Bxe4#
    • 1...fxg6
      • 2.Be6#
  • Keys
    • 1.Bxd4!
      • threat
        • 2.Be6#
      • 1...Qxe7+
        • 2.Sxe7#
      • 1...Qxc2
        • 2.Bxc2#
        • 2.Bd3#
      • 1...Qxf5
        • 2.Qh1#
      • 1...Qxe3
        • 2.Bxe3#
      • 1...Qxd4
        • 2.e4#
      • 1...Qxf4
        • 2.Sxf4#
      • 1...Qh1
        • 2.Qxh1#
      • 1...Qg2
        • 2.Bd3#
      • 1...Qd3
        • 2.Bxd3#
      • 1...Qf3
        • 2.Bd3#
      • 1...Qe5
        • 2.Bxe5#
      • 1...Qe6
        • 2.Be5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 10
    • REMOVED MATES = 5
  • Sets
    • Q(c);OGATEB::QAB(A),XQ(c)
    • S(a);N_GUARD::P(C)
    • S(a);N_GUARD,XP(B)::P(C)
    • P(b);::B(H),XQ(c)
    • P(h);N_GUARD,XS(K)::B(H)
  • Actual
    • B(G);P_SPINP(L),XP(b)
    • Threat
      • R(I)+B(H),DCHECK
    • Vars
      • Q(c);CHECK,XP(L)::S(K),XQ(c)
      • Q(c);N_PINP(L),OGATEB,P_SPINQ(c),XB(H)::QAB(A)
      • Q(c);OGATE,XP(D)::QAR(A)+B(G),XQ(c)
      • Q(c);N_PINP(L),OGATE,P_SPINQ(c),XB(G)::P(D)
      • Q(c);N_PINP(L),XP(F)::S(K),XQ(c)
      • Q(c);N_PINP(L),OGATEB::QAB(A),XQ(c)
      • Q(c);N_PINP(L),OGATE::R(I)+B(H)
      • Q(c);N_PINP(L),OGATE::R(I)+B(H),XQ(c)
      • Q(c);N_GUARD::QAR(A)+B(G),XQ(c)
      • Q(c);N_GUARD::QAR(A)+B(G)
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