MESON Chess Problem Database

Problem Display
PID: 210363 (6b1/5Q2/6p1/3R2pq/KbNNk1Bp/1P3r2/8/6n1 w - - 0 1)

Burda, Josef

Sachova skladba, 2017

6b1/5Q2/6p1/3R2pq/KbNNk1Bp/1P3r2/8/6n1

#2

7 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...Se2
      • 2.Qxf3#
    • 1...Sh3
      • 2.Qxf3#
  • Tries
    • 1.Sc2?
      • threat
        • 2.Rd4#
      • 1...Rd3
        • 2.Re5#
      • 1...Bc3
        • 2.Sd6#
      • 1...Bc5
        • 2.Sd2#
      • 1...Se2
        • 2.Qxf3#
      • 1...Qh8!
  • Keys
    • 1.Se6!
      • threat
        • 2.Rd4#
      • 1...Kxd5
        • 2.Qb7#
      • 1...Qh8
        • 2.Sxg5#
      • 1...Rd3
        • 2.Re5#
      • 1...Bc3
        • 2.Sc5#
      • 1...Bc5
        • 2.Sxc5#
      • 1...Se2
        • 2.Qxf3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 1
  • Sets
    • S(a);N_GUARD::QAB1(G),XR(b)
  • Tries
    • Try
      • S(D);
      • Threat
        • R1(F)
      • Vars
        • R(b);SBLOCK::R1(F)
        • B(c);N_GUARD::S(C)
        • S(a);N_GUARD::QAB1(G),XR(b)
      • Refutation
        • Q(g);
  • Actual
    • S(D);
    • Threat
      • R1(F)
    • Vars
      • K(d);OGATEB,S_FLIGHT,XR(F)::QAB(G)
      • Q(g);N_GUARD::S(D),XP(f)
      • R(b);SBLOCK::R1(F)
      • B(c);N_GUARD::S(D)
      • B(c);N_GUARD::S(D),XB(c)
      • S(a);N_GUARD::QAB1(G),XR(b)
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