MESON Chess Problem Database

Problem Display
PID: 157718 (r1R5/1pn4K/p1Bk2pP/1b2R3/8/1n4B1/3N3Q/3r4 w - - 0 1)

Mari, Alberto

L'Eco degli Scacchi, 1917

r1R5/1pn4K/p1Bk2pP/1b2R3/8/1n4B1/3N3Q/3r4

#2

8 + 9

15148 Sadier Collection 2016

SOLUTION

  • SOUND
  • Sets
    • 1...Sd5
      • 2.Se4#
    • 1...Se8
      • 2.Se4#
  • Keys
    • 1.Qh3!
      • threat
        • 2.Qd7#
      • 1...Kxc6
        • 2.Qe6#
      • 1...Bxc6
        • 2.Sc4#
      • 1...bxc6
        • 2.Se4#
      • 1...Sc5
        • 2.Re6#
      • 1...Sd5
        • 2.Se4#
      • 1...Se6
        • 2.Qxe6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 1
  • Sets
    • S(h);::S(A)
  • Actual
    • Q(B);
    • Threat
      • QAR1(B)
    • Vars
      • K(e);P-FLIGHT,P_SPINS(h),XB(E)::QAR2(B)
      • B(c);N_GUARD,SBLOCK,XB(E)::S(A)
      • P(g);SBLOCK,XB(E)::S(A)
      • S(b);SBLOCK::B(C)+R(D),DCHECK
      • S(h);::S(A)
      • S(h);N_GUARD::QAR1(B),XS(h)
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