MESON Chess Problem Database

Problem Display
PID: 189733 (2Q5/2N1B3/6p1/3pN3/P2k1p2/8/P3pPp1/1B3bK1 w - - 0 1)

Traxler, Karel Peter

Casopis ceskoslovenskych sachistu, 1912

2Q5/2N1B3/6p1/3pN3/P2k1p2/8/P3pPp1/1B3bK1

#2

9 + 7

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Sets
    • 1...Kxe5
      • 2.Qh8#
  • Tries
    • 1.Sf3+?
      • 1...Kc4
        • 2.Sb5#
        • 2.Sa6#
        • 2.Se6#
        • 2.Sa8#
        • 2.Se8#
      • 1...Kc3!
    • 1.Se8?
      • threat
        • 2.Sf3#
      • 1...Kxe5
        • 2.Bf6#
      • 1...f3
        • 2.Sxf3#
      • 1...e1S!
    • 1.Bd6?
      • threat
        • 2.Sb5#
        • 2.Se6#
      • 1...e1Q
        • 2.Se6#
      • 1...e1S
        • 2.Se6#
      • 1...e1B
        • 2.Se6#
      • 1...e1R
        • 2.Se6#
      • 1...Kc3!
  • Keys
    • 1.Sc4!
      • threat
        • 2.Sb5#
      • 1...Kc3
        • 2.Sb5#
      • 1...Kxc4
        • 2.Sb5#
        • 2.Se6#
      • 1...dxc4
        • 2.Qh8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • K(d);OGATEB,S_FLIGHT,XS(F)::QAB(I)
  • Tries
    • Try
      • S(F);CHECK
      • Refutation
        • K(d);S_FLIGHT
    • Try
      • S(G);
      • Threat
        • S(F)
      • Vars
        • K(d);OGATEB,S_FLIGHT,XS(F)::B(H)
        • P(e);::S(F),XP(e)
      • Refutation
        • P(b);
    • Try
      • B(H);
      • Threat
        • DUALS(2)
      • Vars
        • P(b);::S(G)
      • Refutation
        • K(d);S_FLIGHT
  • Actual
    • S(F);
    • Threat
      • S(G)
    • Vars
      • K(d);S_FLIGHT::S(G)
      • P(f);SBLOCK,XS(F)::QAB(I)
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