MESON Chess Problem Database

Problem Display
PID: 62545 (1K4Q1/8/1P1p3r/1N1N3r/BPk2p1B/7b/1b2n3/3R4 w - - 0 1)

Muralidharan, Krishnamurthy

Problemesis, 2002

1K4Q1/8/1P1p3r/1N1N3r/BPk2p1B/7b/1b2n3/3R4

#2

9 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Rf5
      • 2.Qc8#
    • 1...Re6
      • 2.Qc8#
    • 1...Rh7
      • 2.Sxd6#
    • 1...Rh8
      • 2.Sxd6#
    • 1...Ba1
      • 2.Sa3#
    • 1...Ba3
      • 2.Sxa3#
    • 1...Bc3
      • 2.Sa3#
    • 1...Bd4
      • 2.Sa3#
    • 1...Be5
      • 2.Sa3#
    • 1...Bf6
      • 2.Sa3#
      • 2.Sxd6#
    • 1...Bg7
      • 2.Sa3#
    • 1...Bh8
      • 2.Sa3#
    • 1...Bf1
      • 2.Qc8#
    • 1...Bg2
      • 2.Qc8#
    • 1...Be6
      • 2.Sxd6#
    • 1...Bc8
      • 2.Qxc8#
    • 1...Sc3
      • 2.Rd4#
  • Keys
    • 1.Be1!
      • threat
        • 2.Se3#
      • 1...Rxd5
        • 2.Qxd5#
      • 1...Re6
        • 2.Qc8#
      • 1...Bc3
        • 2.Sa3#
      • 1...Be6
        • 2.Sxd6#
      • 1...Sc3
        • 2.Rd4#

There are these versions: 62546

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 12
  • Sets
    • R(f);S_CUTB(c)::QAR(I)
    • R(h);S_CUTB(c)::QAR(I)
    • R(h);N_GUARD::S(E),XP(g)
    • R(h);N_GUARD,P_PINQ(I)::S(E),XP(g)
    • B(a);N_GUARD::S(E)
    • B(a);N_GUARD::S(E),XB(a)
    • B(c);N_GUARD::QAR(I)
    • B(c);S_CUTR(h)::S(E),XP(g)
    • B(c);N_GUARD::QAR(I),XB(c)
    • S(b);N_GUARD,S_CUTB(a)::R1(A)
  • Actual
    • B(D);
    • Threat
      • QAB(I)+S(F),DCHECK
    • Vars
      • R(f);OGATE,P_SPINR(f),XS(F)::QAB1(I),XR(f)
      • R(h);S_CUTB(c)::QAR(I)
      • B(a);N_GUARD::S(E)
      • B(c);S_CUTR(h)::S(E),XP(g)
      • S(b);N_GUARD,S_CUTB(a)::R1(A)
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