MESON Chess Problem Database

Problem Display
PID: 196004 (8/2N5/3r1p1K/1Q2bk2/r4p1p/3p2np/6Nq/5R2 w - - 0 1)

Burda, Josef

Sachova skladba, 1995

8/2N5/3r1p1K/1Q2bk2/r4p1p/3p2np/6Nq/5R2

#2

5 + 11

SOLUTION

  • SOUND
  • Sets
    • 1...Ra1
      • 2.Rxf4#
    • 1...Ra2
      • 2.Rxf4#
    • 1...Ra3
      • 2.Rxf4#
    • 1...Ra5
      • 2.Rxf4#
    • 1...Raa6
      • 2.Rxf4#
    • 1...Ra7
      • 2.Rxf4#
    • 1...Ra8
      • 2.Rxf4#
    • 1...Se4
      • 2.Se3#
  • Tries
    • 1.Qxd3+?
      • 1...Kg4
        • 2.Qg6#
      • 1...Re4
        • 2.Se3#
      • 1...Se4
        • 2.Se3#
      • 1...Rxd3!
  • Keys
    • 1.Qe8!
      • threat
        • 2.Qg6#
      • 1...Ke4
        • 2.Rxf4#
      • 1...Kg4
        • 2.Qg6#
      • 1...Ba1
        • 2.Se3#
      • 1...Bb2
        • 2.Se3#
      • 1...Bc3
        • 2.Se3#
      • 1...Bd4
        • 2.Rxf4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 8
  • Sets
    • R(e);N_GUARD::R1(A),XP(f)
    • S(c);SBLOCK::S(B)
  • Tries
    • Try
      • Q(C);CHECK,N_PINB(h),XP(b)
      • Vars
        • K(i);N_SPINP(f),OGATE,S_FLIGHT::QAR2(C)
        • R(e);P_SPINR(e)::S(B)
        • S(c);P_SPINS(c)::S(B)
      • Refutation
        • R(j);XQ(C)
  • Actual
    • Q(C);N_PINB(h)
    • Threat
      • QAB1(C)
    • Vars
      • K(i);N_SPINP(f),P_SPINB(h),S_FLIGHT::R1(A),XP(f)
      • K(i);N_SPINP(f),S_FLIGHT::QAR2(C)
      • B(h);::S(B)
      • B(h);N_GUARD,S_CUTR(e)::R1(A),XP(f)
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