MESON Chess Problem Database

Problem Display
PID: 84441 (N2bK1B1/1n6/3k4/r2N4/4p3/2Qn4/8/3r4 w - - 0 1)

Funk, Jacob E

La Patrie, 1924

N2bK1B1/1n6/3k4/r2N4/4p3/2Qn4/8/3r4

#2

5 + 7

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Bh4
      • 2.Qc7#
    • 1...Bg5
      • 2.Qc7#
    • 1...Bf6
      • 2.Qc7#
    • 1...Bc7
      • 2.Qxc7#
    • 1...Be7
      • 2.Qc7#
  • Keys
    • 1.Se7!
      • threat
        • 2.Sc8#
      • 1...Rxa8
        • 2.Sf5#
      • 1...Bxe7
        • 2.Qc7#
      • 1...Rc5
        • 2.Qf6#
      • 1...Re5
        • 2.Qc6#
      • 1...Sdc5
        • 2.Qg3#
      • 1...Sbc5
        • 2.Qd4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 4
  • Sets
    • B(g);N_GUARD::QAB1(A)
    • B(g);N_GUARD::QAB1(A),XB(g)
  • Actual
    • S(B);
    • Threat
      • S(B)
    • Vars
      • R(d);N_GUARD,XS(C)::S(B)
      • B(g);N_GUARD,XS(B)::QAB1(A)
      • R(d);SBLOCK::QAR2(A)
      • R(d);P_PINS(B),SBLOCK::QAR1(A)
      • S(b);OGATE,SBLOCK::QAB(A)
      • S(f);S_CUTR(d)::QAR2(A)
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