MESON Chess Problem Database

Problem Display
PID: 240446 (1r1r4/2p1p1BN/5p2/1P1P3p/Q1K4k/2PP1p2/2b2N1P/b7 w - - 0 1)

Parkhomenko, Nikolai A

Sachove umeni (Ceskoslovensky sach), 1973

1r1r4/2p1p1BN/5p2/1P1P3p/Q1K4k/2PP1p2/2b2N1P/b7

#2

10 + 10

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Bb1
      • 2.Kb3#
      • 2.Kc5#
    • 1...Bb3+
      • 2.Kxb3#
    • 1...Bxd3+
      • 2.Kxd3#
    • 1...e5
      • 2.Bxf6#
    • 1...e6
      • 2.Bxf6#
  • Keys
    • 1.Qb4!
      • threat
        • 2.Kc5#
      • 1...Bb3+
        • 2.Kxb3#
      • 1...Bxd3+
        • 2.Kxd3#
      • 1...Rxb5
        • 2.Kxb5#
      • 1...Rxd5
        • 2.Kxd5#
      • 1...Bxc3
        • 2.Kxc3#
      • 1...f5
        • 2.Qxe7#
      • 1...c5
        • 2.Kxc5#
      • 1...e5
        • 2.Bxf6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 1
  • Sets
    • B(b);CHECK::QAR(E)+K(F),XB(b)
    • B(b);CHECK,XP(D)::QAR(E)+K(F),XB(b)
    • P(h);N_GUARD::B(I),XP(f)
  • Actual
    • Q(E);
    • Threat
      • QAR(E)+K(F)
    • Vars
      • B(b);CHECK::QAR(E)+K(F),XB(b)
      • B(b);CHECK,XP(D)::QAR(E)+K(F),XB(b)
      • R(i);XP(G)::QAR(E)+K(F),XR(i)
      • R(j);XP(H)::QAR(E)+K(F),XR(j)
      • B(a);XP(C)::QAR(E)+K(F),XB(a)
      • P(f);OGATEB::QAB(E),XP(h)
      • P(g);::QAR(E)+K(F),XP(g)
      • P(h);N_GUARD::B(I),XP(f)
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Developed and maintained by Brian Stephenson.
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