MESON Chess Problem Database

Problem Display
PID: 82307 (2BB1K1N/2Q3p1/6bp/7k/5p2/6pN/8/b4r2 w - - 0 1)

Ahues, Herbert Siegfried Oskar

Probleemblad, 1988

2BB1K1N/2Q3p1/6bp/7k/5p2/6pN/8/b4r2

#2

6 + 8

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Rb1
      • 2.Sxf4#
    • 1...Rc1
      • 2.Sxf4#
    • 1...Rd1
      • 2.Sxf4#
    • 1...Re1
      • 2.Sxf4#
    • 1...Rg1
      • 2.Sxf4#
    • 1...Rh1
      • 2.Sxf4#
    • 1...f3
      • 2.Sf4#
  • Keys
    • 1.Qxf4!
      • threat
        • 2.Bg4#
      • 1...Rxf4+
        • 2.Sxf4#
      • 1...Bf6
        • 2.Qg4#
      • 1...Bf5
        • 2.Qh4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 7
  • Sets
    • R(b);N_GUARD::S(A),XP(d)
    • P(d);S_CUTR(b)::S(A)
  • Actual
    • Q(B);P_SPINQ(B),XP(d)
    • Threat
      • B(C)
    • Vars
      • R(b);CHECK,XQ(B)::S(A),XR(b)
      • B(a);N_PINQ(B)::QAB1(B)
      • B(f);N_PINQ(B)::QAR1(B)
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