MESON Chess Problem Database

Problem Display
PID: 71901 (3N1Kn1/2ppp2Q/2Pk1p2/6R1/1rb1p3/4N3/5B1b/8 w - - 0 1)

Giacobbe, Daniele

2nd HM., Best Problems, 2003-2004

3N1Kn1/2ppp2Q/2Pk1p2/6R1/1rb1p3/4N3/5B1b/8

#2

7 + 10

56 The Problemist 2007

SOLUTION

  • SOUND
  • Sets
    • 1...Rb1
      • 2.Sxc4#
    • 1...Rb2
      • 2.Sxc4#
    • 1...Rb3
      • 2.Sxc4#
    • 1...Rb5
      • 2.Sxc4#
    • 1...Rb6
      • 2.Sxc4#
    • 1...Rb7
      • 2.Sxc4#
    • 1...Rb8
      • 2.Sxc4#
    • 1...Bf1
      • 2.Rd5#
    • 1...Be2
      • 2.Rd5#
    • 1...Bd3
      • 2.Rd5#
    • 1...Bb5
      • 2.Rd5#
    • 1...Bd5
      • 2.Rxd5#
    • 1...Ba6
      • 2.Rd5#
    • 1...Be6
      • 2.Qxh2#
    • 1...Sh6
      • 2.Qxe7#
    • 1...e6
      • 2.Qxd7#
  • Keys
    • 1.Qxe4!
      • threat
        • 2.Sf5#
      • 1...dxc6
        • 2.Qxc6#
      • 1...f5
        • 2.Sxf5#
      • 1...Rb5
        • 2.Sxc4#
      • 1...Be6
        • 2.Qxb4#
      • 1...Sh6
        • 2.Qxe7#
      • 1...e6
        • 2.Sf7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 2
    • REMOVED MATES = 12
  • Sets
    • R(b);N_GUARD::S(B),XB(c)
    • R(b);N_GUARD,P_PINS(F)::S(B),XB(c)
    • B(c);N_GUARD::R1(C)
    • B(c);N_GUARD::R1(C),XB(c)
    • B(c);S_CUTP(i)::QAB(E),XB(a)
    • S(j);N_GUARD::QAB1(E),XP(i)
    • P(i);OGATE::QAR1(E),XP(h)
  • Actual
    • Q(E);XP(d)
    • Threat
      • S(B)
    • Vars
      • P(h);OGATE,XP(D)::QAR1(E),XP(h)
      • P(f);::S(B),XP(f)
      • R(b);N_GUARD::S(B),XB(c)
      • B(c);OGATE::QAB(E),XR(b)
      • S(j);N_GUARD::QAB1(E),XP(i)
      • P(i);S_CUTB(c)::S(F)
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