MESON Chess Problem Database

Problem Display
PID: 104367 (6b1/8/q1p2N2/r6r/p1Bk2Np/Bp1p4/8/1KR5 w - - 0 1)

Kovalic, Jan

1st HM., Kurimcan, 1984

6b1/8/q1p2N2/r6r/p1Bk2Np/Bp1p4/8/1KR5

#2

6 + 10

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Rac5
      • 2.Bb2#
    • 1...Rhc5
      • 2.Bb2#
    • 1...c5
      • 2.Bb2#
  • Tries
    • 1.Bd5?
      • threat
        • 2.Bb2#
      • 1...Qc4
        • 2.Rxc4#
      • 1...Rc5
        • 2.Bxc5#
      • 1...b2
        • 2.Bxb2#
      • 1...d2!
  • Keys
    • 1.Bb5!
      • threat
        • 2.Bb2#
      • 1...Rc5
        • 2.Bxc5#
      • 1...Bc4
        • 2.Rxc4#
      • 1...b2
        • 2.Bxb2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 2
    • REMOVED MATES = 2
  • Sets
    • R(f);SBLOCK::B(C)
    • R(g);SBLOCK::B(C)
    • P(i);SBLOCK::B(C)
  • Tries
    • Try
      • B(D);
      • Threat
        • B(C)
      • Vars
        • Q(h);N_GUARD::R1(B),XQ(h)
        • R(f);N_GUARD::B(C),XR(f)
        • P(a);::B(C),XP(a)
      • Refutation
        • P(b);
  • Actual
    • B(D);
    • Threat
      • B(C)
    • Vars
      • R(g);N_GUARD::B(C),XR(g)
      • B(j);N_GUARD::R1(B),XB(j)
      • P(a);::B(C),XP(a)
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