MESON Chess Problem Database

Problem Display
PID: 52150 (1b2Q3/2p3K1/6B1/N2p4/1P1kPp2/2r2r2/bn1PPP2/2R5 w - - 0 1)

Groeneveld, Cornelis

Comm., Problemas, 2000

1b2Q3/2p3K1/6B1/N2p4/1P1kPp2/2r2r2/bn1PPP2/2R5

#2

10 + 9

102 Probleemblad 2004

SOLUTION

  • SOUND
  • Sets
    • 1...Ra3
      • 2.Sc6#
    • 1...Rb3
      • 2.Sc6#
    • 1...Rcd3
      • 2.Sc6#
    • 1...Rce3
      • 2.Sc6#
    • 1...Rc6
      • 2.Sxc6#
    • 1...Bc4
      • 2.Sc6#
    • 1...Sd3
      • 2.dxc3#
    • 1...Sc4
      • 2.Sc6#
    • 1...dxe4
      • 2.Qxe4#
  • Tries
    • 1.Rxc3?
      • threat
        • 2.Sc6#
      • 1...dxe4
        • 2.Qxe4#
      • 1...c6
        • 2.Sxc6#
      • 1...Rxc3!
  • Keys
    • 1.Qc6!
      • threat
        • 2.Qf6#
      • 1...Ke5
        • 2.Qf6#
      • 1...Rxc6
        • 2.Sxc6#
      • 1...dxe4
        • 2.Qxe4#
      • 1...Sd3
        • 2.Qxc3#
      • 1...Sc4
        • 2.Qxd5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 1
    • REMOVED MATES = 5
  • Sets
    • R(c);N_GUARD::S(G)
    • R(c);N_GUARD::S(G),XR(c)
    • B(a);SBLOCK,S_CUTR(c)::S(G)
    • S(b);S_CUTR(d)::P(B),XR(c)
    • S(b);SBLOCK,S_CUTR(c)::S(G)
    • P(g);OGATE,XP(F)::QAR1(J),XP(g)
  • Tries
    • Try
      • R(A);XR(c)
      • Threat
        • S(G)
      • Vars
        • P(g);OGATE,XP(F)::QAR1(J),XP(g)
        • P(h);::S(G),XP(h)
      • Refutation
        • R(d);XR(A)
  • Actual
    • Q(J);
    • Threat
      • QAB(J)
    • Vars
      • K(e);S_FLIGHT::QAB1(J)
      • R(c);XQ(J)::S(G),XR(c)
      • P(g);OGATE,XP(F)::QAR1(J),XP(g)
      • S(b);S_CUTR(d)::QAB1(J),XR(c)
      • S(b);S_CUTB(a)::QAR1(J),XP(g)
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