MESON Chess Problem Database

Problem Display
PID: 189808 (6b1/K7/8/2Pk4/5P2/1NR1P2B/Qn6/n7 w - - 0 1)

Kintzig, Robert

Magyar Sakkujsag, 1912

6b1/K7/8/2Pk4/5P2/1NR1P2B/Qn6/n7

#2

8 + 4

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Sets
    • 1...Ke4
      • 2.Sd2#
    • 1...Be6
      • 2.Bg2#
    • 1...Sd1
      • 2.Qg2#
    • 1...Sd3
      • 2.Qg2#
    • 1...Sa4
      • 2.Qg2#
    • 1...Sc4
      • 2.Qg2#
  • Tries
    • 1.Sd4+?
      • 1...Ke4
        • 2.Bg2#
        • 2.Bf5#
      • 1...Sb3
        • 2.Bg2#
      • 1...Sc4!
    • 1.Qa6?
      • threat
        • 2.Bg2#
        • 2.Qb7#
      • 1...Bh7
        • 2.Qb7#
        • 2.Qe6#
      • 1...Ke4!
  • Keys
    • 1.Kb8!
      • threat
        • 2.Qa8#
      • 1...Ke4
        • 2.Sd2#
      • 1...Kc6
        • 2.Sd4#
      • 1...Sa4
        • 2.Qg2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 4
  • Sets
    • K(c);S_FLIGHT::S(B)
    • B(d);SBLOCK::B(E)
    • S(b);OGATE::QAB(A)
  • Tries
    • Try
      • S(B);CHECK
      • Vars
        • S(a);P_SPINS(a)::B(E)
      • Refutation
        • S(b);P_SPINS(b)
    • Try
      • Q(A);
      • Threat
        • DUALS(2)
      • Refutation
        • K(c);S_FLIGHT
  • Actual
    • K(H);S_FLIGHT
    • Threat
      • QAB(A)
    • Vars
      • K(c);S_FLIGHT::S(B)
      • S(b);OGATE::QAB(A)
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