MESON Chess Problem Database

Problem Display
PID: 132480 (7b/2p4b/K1R5/1p5p/kp1Q3r/3p1r2/8/2N1B1q1 w - - 0 1)

Muller, Dieter

Wochenpost, 1994

7b/2p4b/K1R5/1p5p/kp1Q3r/3p1r2/8/2N1B1q1

#2

5 + 11

6114 Problemschach-Jahrbuch (1994) 1995
768 Leipziger Volkszeitung 1998
14503 Problemschach-Jahrbuch (1999) 1999

SOLUTION

  • SOUND
  • Sets
    • 1...Rf6
      • 2.Qa1#
    • 1...Rh1
      • 2.Qxb4#
    • 1...Rh2
      • 2.Qxb4#
    • 1...Rh3
      • 2.Qxb4#
    • 1...Be4
      • 2.Qxb4#
  • Keys
    • 1.Kb7!
      • threat
        • 2.Ra6#
      • 1...Ka3
        • 2.Ra6#
      • 1...Ka5
        • 2.Ra6#
      • 1...Qg6
        • 2.Qa7#
      • 1...Rf6
        • 2.Qa1#
      • 1...Be4
        • 2.Qxb4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 3
  • Sets
    • R(c);P_PINR(E),S_CUTB(k)::QAR(C)
    • R(f);N_GUARD::QAR1(C),XP(e)
    • R(f);N_GUARD,SBLOCK::QAR1(C),XP(e)
    • B(j);S_CUTR(f)::QAR1(C),XP(e)
  • Actual
    • K(D);S_FLIGHT
    • Threat
      • R(E)
    • Vars
      • K(d);N_SPINP(e),P-FLIGHT::R(E)
      • K(d);P-FLIGHT::R1(E)
      • Q(a);N_GUARD::QAR(C)
      • R(c);S_CUTB(k)::QAR(C)
      • B(j);P_PINR(E),S_CUTR(f)::QAR1(C),XP(e)
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