MESON Chess Problem Database

Problem Display
PID: 153460 (3NRbb1/4Q1r1/2Rp2p1/1NPk1p2/n7/2p5/K1P1BP2/n2r4 w - - 0 1)

Groeneveld, Cornelis

Prins, Hendrik

5th Comm., Wola Gulowska, 1995

3NRbb1/4Q1r1/2Rp2p1/1NPk1p2/n7/2p5/K1P1BP2/n2r4

#2

10 + 11

15345 Wola Gulowska Award 1995

SOLUTION

  • SOUND
  • Sets
    • 1...Rd4
      • 2.Sc7#
    • 1...Rf7
      • 2.Qe6#
    • 1...Be6
      • 2.Qxe6#
    • 1...Bh7
      • 2.Qe6#
    • 1...Sxc5
      • 2.Rxd6#
    • 1...f4
      • 2.Qg5#
      • 2.Qe4#
    • 1...dxc5
      • 2.Rd6#
      • 2.Qe5#
  • Keys
    • 1.Qe3!
      • threat
        • 2.Qf3#
      • 1...Sxc5
        • 2.Sxc3#
      • 1...Rd3
        • 2.Qxd3#
      • 1...Rd4
        • 2.Qxd4#
      • 1...Re7
        • 2.Rxd6#
      • 1...Be7
        • 2.Sc7#
      • 1...Be6
        • 2.Qxe6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 3
    • REMOVED MATES = 2
  • Sets
    • R(b);SBLOCK::S(E)
    • R(i);S_CUTB(k)::QAB1(H)
    • B(k);N_GUARD::QAB1(H),XB(k)
    • B(k);N_GUARD::QAB1(H)
    • S(d);SBLOCK,XP(F)::R1(G),XP(g)
  • Actual
    • Q(H);
    • Threat
      • QAB(H)
    • Vars
      • S(d);N_GUARD,XP(F)::S(E),XP(c)
      • R(b);N_GUARD::QAR2(H),XR(b)
      • R(b);N_GUARD::QAR1(H),XR(b)
      • R(i);S_CUTB(j)::R1(G),XP(g)
      • B(j);S_CUTR(i)::S(E)
      • B(k);N_GUARD::QAB1(H),XB(k)
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