MESON Chess Problem Database

Problem Display
PID: 119842 (n3Q3/3K4/1P1P4/pk6/R1N5/P7/3b1p2/5B2 w - - 0 1)

Sobek, Karel

Straz lidu, 1952

n3Q3/3K4/1P1P4/pk6/R1N5/P7/3b1p2/5B2

#2

8 + 5

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Kc5
      • 2.Qe5#
    • 1...Bc1
      • 2.Rxa5#
    • 1...Be3
      • 2.Rxa5#
    • 1...Bf4
      • 2.Rxa5#
    • 1...Bg5
      • 2.Rxa5#
    • 1...Bh6
      • 2.Rxa5#
  • Keys
    • 1.Qe3!
      • threat
        • 2.Sb2#
      • 1...Sxb6+
        • 2.Sxb6#
      • 1...Kxa4
        • 2.Sb2#
      • 1...Ka6
        • 2.Sxa5#
      • 1...Bxe3
        • 2.Rxa5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 5
  • Sets
    • K(d);P-FLIGHT::QAR2(H)
    • B(a);N_GUARD::R1(C),XP(c)
  • Actual
    • Q(H);
    • Threat
      • B(A)+S(D)
    • Vars
      • S(e);CHECK,XP(E)::B(A)+S(D),XS(e)
      • K(d);S_FLIGHT,XR(C)::S(D)
      • K(d);P_SPINP(c),S_FLIGHT::B(A)+S(D),XP(c)
      • B(a);N_GUARD,XQ(H)::R1(C),XP(c)
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