MESON Chess Problem Database

Problem Display
PID: 102878 (2r5/4Q3/B7/pP1N4/k2b4/N1p5/K7/8 w - - 0 1)

Lehmann, Tadeusz

Razem, 1989

2r5/4Q3/B7/pP1N4/k2b4/N1p5/K7/8

#2

6 + 5

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Be5
      • 2.Sb6#
    • 1...Bb6
      • 2.Sxb6#
    • 1...Bf6
      • 2.Sb6#
    • 1...Bg7
      • 2.Sb6#
    • 1...Bh8
      • 2.Sb6#
  • Tries
    • 1.Sb1?
      • threat
        • 2.Qa3#
      • 1...Bc5
        • 2.Sbxc3#
      • 1...Rc5!
    • 1.Sc4?
      • threat
        • 2.Qa3#
      • 1...Rc5
        • 2.Scb6#
      • 1...Bc5!
  • Keys
    • 1.Sc2!
      • threat
        • 2.Qa3#
      • 1...Rc5
        • 2.Sb6#
      • 1...Bc5
        • 2.Sxc3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 5
  • Sets
    • B(c);N_GUARD::S(D)
    • B(c);N_GUARD::S(D),XB(c)
  • Tries
    • Try
      • S(B);
      • Threat
        • QAR1(F)
      • Vars
        • B(c);N_GUARD,S_CUTR(e)::S(B),XP(a)
      • Refutation
        • R(e);
    • Try
      • S(B);
      • Threat
        • QAR1(F)
      • Vars
        • R(e);S_CUTB(c)::S(B)
      • Refutation
        • B(c);
  • Actual
    • S(B);
    • Threat
      • QAR1(F)
    • Vars
      • R(e);S_CUTB(c)::S(D)
      • B(c);N_GUARD,S_CUTR(e)::S(D),XP(a)
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