MESON Chess Problem Database

Problem Display
PID: 124325 (8/6N1/1p2p3/1r5P/p4k1K/1b2b1N1/4P3/Q3B3 w - - 0 1)

Legentil, Georges

Problemes d'Echecs (Legentil), 1951

8/6N1/1p2p3/1r5P/p4k1K/1b2b1N1/4P3/Q3B3

#2

7 + 7

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Rb4
      • 2.Qf6#
    • 1...Rd5
      • 2.Sxe6#
    • 1...Rxh5+
      • 2.S7xh5#
    • 1...Bd1
      • 2.Sxe6#
    • 1...Bc2
      • 2.Sxe6#
    • 1...Bd5
      • 2.Qf6#
    • 1...Bc1
      • 2.Qd4#
    • 1...Bd2
      • 2.Bxd2#
      • 2.Qd4#
    • 1...Bd4
      • 2.Qxd4#
  • Keys
    • 1.Bd2!
      • threat
        • 2.Qd4#
      • 1...Rxh5+
        • 2.S7xh5#
      • 1...Rb4
        • 2.Qf6#
      • 1...Rd5
        • 2.Sxe6#
      • 1...Re5
        • 2.Qf1#
      • 1...Bc2
        • 2.Sxe6#
      • 1...Bd5
        • 2.Qf6#
      • 1...e5
        • 2.Qf1#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 3
  • Sets
    • R(e);N_GUARD::QAR2(A)
    • R(e);S_CUTB(a)::S(G),XP(g)
    • R(e);CHECK,XP(F)::S(G),XR(e)
    • B(a);N_GUARD::S(G),XP(g)
    • B(a);S_CUTR(e)::QAR2(A)
    • B(b);N_GUARD::QAR2(A)
    • B(b);N_GUARD::QAR2(A),XB(b)
  • Actual
    • B(B);P_PINB(b)
    • Threat
      • QAR2(A)
    • Vars
      • R(e);CHECK,XP(F)::S(G),XR(e)
      • R(e);N_GUARD::QAR2(A)
      • R(e);S_CUTB(a)::S(G),XP(g)
      • R(e);SBLOCK::QAR(A)
      • B(a);N_GUARD::S(G),XP(g)
      • B(a);S_CUTR(e)::QAR2(A)
      • P(g);SBLOCK::QAR(A)
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