MESON Chess Problem Database

Problem Display
PID: 71549 (KR6/1Q6/p3r3/2kPnN2/1p1p4/1p1R3r/1n1N1b2/1q4B1 w - - 0 1)

Groeneveld, Cornelis

1st Comm., Kutnohorsky Denik, 2004

KR6/1Q6/p3r3/2kPnN2/1p1p4/1p1R3r/1n1N1b2/1q4B1

#2

8 + 11

102 Probleemblad 2006

SOLUTION

  • SOUND
  • Sets
    • 1...Be1
      • 2.Bxd4#
    • 1...Bg3
      • 2.Bxd4#
    • 1...Bh4
      • 2.Bxd4#
    • 1...Sbc4
      • 2.Se4#
    • 1...Sec4
      • 2.Sxb3#
    • 1...a5
      • 2.Qb5#
  • Keys
    • 1.Rxd4!
      • threat
        • 2.Qxb4#
      • 1...Bxd4
        • 2.Bxd4#
      • 1...Rb6
        • 2.Qxb6#
      • 1...Sbd3
        • 2.Se4#
      • 1...Sed3
        • 2.Sxb3#
      • 1...Sc6
        • 2.Qb6#
      • 1...a5
        • 2.Qb5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 5
  • Sets
    • B(c);OGATE,P_SPINP(g)::B(A),XP(g)
    • S(b);SBLOCK::S(B)
    • S(i);SBLOCK::S(B),XP(d)
    • P(j);N_GUARD::QAR1(F)
  • Actual
    • R(C);XP(g)
    • Threat
      • QAB1(F),XP(f)
    • Vars
      • B(c);OGATE,P_SPINB(c),XR(C)::B(A),XB(c)
      • R(k);N_GUARD::QAB1(F),XR(k)
      • S(b);S_CUTQ(a)::S(B)
      • S(i);S_CUTR(e)::S(B),XP(d)
      • S(i);S_CUTR(k)::QAB1(F)
      • P(j);N_GUARD::QAR1(F)
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