MESON Chess Problem Database

Problem Display
PID: 105364 (1K6/2B5/k6p/1p2pp2/6p1/2p2p1r/4b1BQ/5rR1 w - - 0 1)

Bunka, Vladislav

Zemedelske noviny, 1973

1K6/2B5/k6p/1p2pp2/6p1/2p2p1r/4b1BQ/5rR1

#2

5 + 11

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Ra1
      • 2.Rxa1#
    • 1...Rf2
      • 2.Ra1#
    • 1...Rg3
      • 2.Qxh6#
    • 1...f2
      • 2.Bb7#
    • 1...e4
      • 2.Qd6#
  • Tries
    • 1.Qxe5?
      • threat
        • 2.Qd6#
        • 2.Qf6#
        • 2.Qe6#
      • 1...Bc4
        • 2.Qd6#
      • 1...b4
        • 2.Qa5#
      • 1...Rd1!
  • Keys
    • 1.Bxf3!
      • threat
        • 2.Bb7#
      • 1...Rfxf3
        • 2.Ra1#
      • 1...Rhxf3
        • 2.Qxh6#
      • 1...Bxf3
        • 2.Qa2#
      • 1...gxf3
        • 2.Rg6#
      • 1...b4
        • 2.Qxe2#
      • 1...e4
        • 2.Qd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 4
  • Sets
    • R(a);OGATE::R(A),XR(a)
    • R(a);OGATE::R(A)
    • R(e);OGATE::QAB1(C),XP(k)
    • P(d);OGATE::B(B)
    • P(h);OGATE::QAR(C)
  • Tries
    • Try
      • Q(C);XP(h)
      • Threat
        • DUALS(3)
      • Vars
        • B(b);::QAR(C)
        • P(g);OGATE::QAR1(C)
      • Refutation
        • R(a);
  • Actual
    • B(B);XP(d)
    • Threat
      • B(B)
    • Vars
      • R(a);OGATE,XB(B)::R(A)
      • R(e);OGATE,XB(B)::QAB1(C),XP(k)
      • B(b);OGATE,XB(B)::QAR(C)
      • P(f);OGATE,XB(B)::R(A)
      • P(g);OGATEB::QAB(C),XB(b)
      • P(h);OGATE::QAR(C)
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