MESON Chess Problem Database

Problem Display
PID: 125400 (3R2b1/3P4/PPKp3r/3p1p2/2PBNk1p/Q1N2P1B/rp2PP2/1n6 w - - 0 1)

Koldijk, Albert Marinus

le Grand, H?

Source?, 1997

3R2b1/3P4/PPKp3r/3p1p2/2PBNk1p/Q1N2P1B/rp2PP2/1n6

#2

14 + 10

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Rh5
      • 2.Qxd6#
    • 1...Re6
      • 2.Sxd5#
    • 1...Rh7
      • 2.Qxd6#
    • 1...Rh8
      • 2.Qxd6#
    • 1...Be6
      • 2.Qxd6#
    • 1...Bh7
      • 2.Sxd5#
  • Tries
    • 1.Rxg8?
      • threat
        • 2.Sxd5#
      • 1...dxc4
        • 2.Sd5#
      • 1...dxe4
        • 2.Sd5#
      • 1...Sxc3!
  • Keys
    • 1.Re8!
      • threat
        • 2.Be3#
      • 1...Re6
        • 2.Sxd5#
      • 1...Be6
        • 2.Qxd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 4
  • Sets
    • R(i);N_GUARD::QAB(C),XP(h)
    • R(i);S_CUTB(j)::S(D),XP(f)
    • B(j);S_CUTR(i)::QAB(C),XP(h)
    • B(j);N_GUARD::S(D),XP(f)
  • Tries
    • Try
      • R(N);XB(j)
      • Threat
        • S(D),XP(f)
      • Vars
        • P(f);XP(G)::S(D)
        • P(f);XS(I)::S(D)
      • Refutation
        • S(a);XS(D)
  • Actual
    • R(N);
    • Threat
      • B(H)
    • Vars
      • R(i);S_CUTB(j)::S(D),XP(f)
      • B(j);S_CUTR(i)::QAB(C),XP(h)
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