MESON Chess Problem Database

Problem Display
PID: 232488 (n2K4/1Q2p3/r2k4/p3pbN1/NP5b/3n4/2Pq4/3R4 w - - 0 1)

Dikusarov, Andrey Nikolayovich

Freie Presse, 2011

n2K4/1Q2p3/r2k4/p3pbN1/NP5b/3n4/2Pq4/3R4

#2

7 + 10

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Be4
      • 2.Qd7#
    • 1...Be6
      • 2.Se4#
    • 1...Bg6
      • 2.Qd7#
    • 1...Bd7
      • 2.Qxd7#
    • 1...Bh7
      • 2.Qd7#
    • 1...Sc5
      • 2.bxc5#
    • 1...e6
      • 2.Qd7#
  • Tries
    • 1.Se4+?
      • 1...Bxe4
        • 2.Qd7#
      • 1...Ke6!
  • Keys
    • 1.c4!
      • threat
        • 2.Qd5#
      • 1...Sxb4
        • 2.c5#
      • 1...Qg2
        • 2.c5#
      • 1...Rc6
        • 2.Qxe7#
      • 1...Be4
        • 2.Qd7#
      • 1...Be6
        • 2.Se4#
      • 1...Sc1
        • 2.c5#
      • 1...Se1
        • 2.c5#
      • 1...Sb2
        • 2.c5#
      • 1...Sf2
        • 2.c5#
      • 1...Sf4
        • 2.c5#
      • 1...Sc5
        • 2.bxc5#
      • 1...Sb6
        • 2.Qc7#
      • 1...Sc7
        • 2.Qxc7#
      • 1...e6
        • 2.Qd7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 10
    • REMOVED MATES = 3
  • Sets
    • B(f);N_GUARD::QAR1(F)
    • B(f);N_GUARD,SBLOCK::S(E)
    • B(f);N_GUARD::QAR1(F),XB(f)
    • S(b);OGATE,P_SPINQ(a)::P(D),XS(b)
    • P(i);P_PINS(E),S_CUTB(f)::QAR1(F)
  • Tries
    • Try
      • S(E);CHECK
      • Vars
        • B(f);XS(E)::QAR1(F)
      • Refutation
        • K(h);P-FLIGHT
  • Actual
    • P(B);
    • Threat
      • QAR1(F)
    • Vars
      • S(b);N_GUARD,P_SPINQ(a),XP(D)::P(B)
      • Q(a);P_SPINS(b)::P(B)
      • R(g);SBLOCK::QAB1(F),XP(i)
      • B(f);N_GUARD::QAR1(F)
      • B(f);N_GUARD,SBLOCK::S(E)
      • S(b);N_GUARD,P_SPINQ(a)::P(B)
      • S(b);OGATE,P_SPINQ(a)::P(D),XS(b)
      • S(j);N_GUARD::QAB1(F)
      • S(j);N_GUARD::QAB1(F),XS(j)
      • P(i);P_PINS(E),S_CUTB(f)::QAR1(F)
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