MESON Chess Problem Database

Problem Display
PID: 243912 (8/1n3b1B/r1p4K/N1p3R1/Qppk1P2/3pN3/1P1P4/8 w - - 0 1)

Fleck, Ferenc

L'Italia Scacchistica, 1952

8/1n3b1B/r1p4K/N1p3R1/Qppk1P2/3pN3/1P1P4/8

#2

9 + 9

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Ra7
      • 2.Sxc6#
    • 1...Ra8
      • 2.Sxc6#
    • 1...b3
      • 2.Sxb3#
    • 1...c3
      • 2.bxc3#
  • Tries
    • 1.Qxb4?
      • threat
        • 2.Sb3#
        • 2.Qc3#
      • 1...Rxa5
        • 2.Qc3#
      • 1...Sxa5
        • 2.Qc3#
        • 2.Qxc5#
      • 1...Bg6
        • 2.Qxc4#
      • 1...cxb4!
  • Keys
    • 1.Qxc6!
      • threat
        • 2.Sf5#
      • 1...Rxc6+
        • 2.Sxc6#
      • 1...Bd5
        • 2.Rxd5#
      • 1...Be6
        • 2.Qe4#
      • 1...Bg6
        • 2.Qd5#
      • 1...Sd6
        • 2.Qxc5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 4
  • Sets
    • R(f);N_GUARD::S(F),XP(g)
    • P(b);P_SPINP(c)::S(F),XP(b)
    • P(c);OGATE,P_SPINP(b)::P(A),XP(c)
  • Tries
    • Try
      • Q(D);P_PINP(c),XP(b)
      • Threat
        • DUALS(2)
      • Vars
        • R(f);XS(F)::QAB1(D)
        • B(i);N_GUARD::QAR1(D),XP(c)
      • Refutation
        • P(e);N_SPINP(c),XQ(D)
  • Actual
    • Q(D);P_SPINQ(D),XP(g)
    • Threat
      • S(C)
    • Vars
      • R(f);CHECK,XQ(D)::S(F),XR(f)
      • B(i);N_GUARD::R1(G),XB(i)
      • B(i);N_PINQ(D)::QAR1(D)
      • S(h);N_PINQ(D)::QAB1(D),XP(e)
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