MESON Chess Problem Database

Problem Display
PID: 223037 (5B2/3Pr3/B1pQp3/3p2N1/3k4/5p2/5P2/K7 w - - 0 1)

Traxler, Karel Peter

Zlata Praha, 1885

5B2/3Pr3/B1pQp3/3p2N1/3k4/5p2/5P2/K7

#2

7 + 6

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...e5
      • 2.Qb4#
  • Tries
    • 1.Kb2?
      • 1...Rxd7
        • 2.Qf4#
      • 1...Rg7
        • 2.Qf4#
      • 1...Rh7
        • 2.Qf4#
      • 1...Re8
        • 2.Qf4#
      • 1...c5
        • 2.Qf4#
      • 1...e5
        • 2.Qb4#
      • 1...Rf7!
    • 1.Bg7+?
      • 1...e5
        • 2.Qb4#
      • 1...Rxg7!
  • Keys
    • 1.Qb8!
      • 1...Kc3
        • 2.Qb2#
      • 1...Kc5
        • 2.Sxe6#
      • 1...Rxd7
        • 2.Qb2#
      • 1...Rf7
        • 2.Qb2#
      • 1...Rg7
        • 2.Qb2#
      • 1...Rh7
        • 2.Qb2#
      • 1...Re8
        • 2.Qb2#
      • 1...c5
        • 2.Qb2#
      • 1...e5
        • 2.Qb4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 0
  • Sets
    • P(e);SBLOCK::QAR2(E)
  • Tries
    • Try
      • K(A);S_FLIGHT
      • Vars
        • R(f);XP(F)::QAR2(E)
        • R(f);::QAR2(E)
        • P(d);SBLOCK::QAR2(E)
        • P(e);SBLOCK::QAR2(E)
      • Refutation
        • R(f);
    • Try
      • B(G);CHECK
      • Vars
        • P(e);::QAR2(E)
      • Refutation
        • R(f);XB(G)
  • Actual
    • Q(E);N_PINP(c)
    • Vars
      • K(b);S_FLIGHT::QAB1(E)
      • K(b);P_SPINR(f),S_FLIGHT::S(C),XP(e)
      • R(f);XP(F)::QAB(E)
      • R(f);::QAB(E)
      • P(d);SBLOCK::QAB(E)
      • P(e);SBLOCK::QAR2(E)
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