MESON Chess Problem Database

Problem Display
PID: 103320 (3b4/2p5/8/4Q3/6kB/3B3p/1p5r/1K5b w - - 0 1)

Mazel, Eduard

Il Littorale, 1929-1931

3b4/2p5/8/4Q3/6kB/3B3p/1p5r/1K5b

#2

4 + 7

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Kf3
      • 2.Qg3#
      • 2.Qe4#
  • Tries
    • 1.Bf5+?
      • 1...Kf3
        • 2.Qe4#
      • 1...Kh5
        • 2.Qh8#
      • 1...Kxh4!
    • 1.Qg5+?
      • 1...Kf3
        • 2.Qg3#
      • 1...Bxg5!
  • Keys
    • 1.Bg6!
      • threat
        • 2.Qg3#
      • 1...Be4+
        • 2.Qxe4#
      • 1...Kf3
        • 2.Qe4#
      • 1...Kxh4
        • 2.Qf4#
      • 1...Bxh4
        • 2.Bh5#
      • 1...Rg2
        • 2.Qe4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(B);CHECK
      • Vars
        • K(e);S_FLIGHT::QAB1(D)
        • K(e);S_FLIGHT::QAR(D)
      • Refutation
        • K(e);P-FLIGHT,XB(C)
    • Try
      • Q(D);CHECK
      • Vars
        • K(e);OGATE,S_FLIGHT::QAR1(D)
      • Refutation
        • B(g);XQ(D)
  • Actual
    • B(B);
    • Threat
      • QAR1(D)
    • Vars
      • B(a);CHECK,N_GUARD::QAR2(D),XB(a)
      • K(e);S_FLIGHT::QAB1(D)
      • K(e);P-FLIGHT,XB(C)::QAR2(D)
      • B(g);SBLOCK,XB(C)::B(B)
      • R(c);S_CUTB(a)::QAR2(D)
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