MESON Chess Problem Database

Problem Display
PID: 187922 (6B1/4p3/1n4P1/3b1NPK/4k2b/2PN3p/3PPn1P/1Q2RR2 w - - 0 1)

van Dijk, Johannes

Schaakblad, 1910

6B1/4p3/1n4P1/3b1NPK/4k2b/2PN3p/3PPn1P/1Q2RR2

#2

13 + 7

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Sets
    • 1...Bg3
      • 2.Sxg3#
    • 1...Bxg5
      • 2.Sg3#
    • 1...Sd1
      • 2.Rf4#
    • 1...Sh1
      • 2.Rf4#
    • 1...Sxd3
      • 2.exd3#
    • 1...Sg4
      • 2.Rf4#
    • 1...e5
      • 2.Sd6#
    • 1...e6
      • 2.Sd6#
  • Tries
    • 1.Sxf2+?
      • 1...Ke5
        • 2.Sg4#
      • 1...Kf4!
  • Keys
    • 1.Qb5!
      • 1...Kxf5
        • 2.e4#
      • 1...Bxg5
        • 2.Sg3#
      • 1...Bxg8
        • 2.Qe5#
      • 1...Sxd3
        • 2.exd3#
      • 1...Bg3
        • 2.Sxg3#
      • 1...Ba2
        • 2.Qe5#
      • 1...Bb3
        • 2.Qe5#
      • 1...Bc4
        • 2.Qe5#
      • 1...Bc6
        • 2.Qe5#
      • 1...Be6
        • 2.Qe5#
      • 1...Bb7
        • 2.Qe5#
      • 1...Bf7
        • 2.Qe5#
      • 1...Ba8
        • 2.Qe5#
      • 1...Sd1
        • 2.Rf4#
      • 1...Sh1
        • 2.Rf4#
      • 1...Sg4
        • 2.Rf4#
      • 1...Sa4
        • 2.Qxd5#
      • 1...Sc4
        • 2.Qxd5#
      • 1...Sd7
        • 2.Qxd5#
      • 1...Sa8
        • 2.Qxd5#
      • 1...Sc8
        • 2.Qxd5#
      • 1...e5
        • 2.Sd6#
      • 1...e6
        • 2.Sd6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 15
    • REMOVED MATES = 0
  • Sets
    • B(d);N_GUARD::S(I),XB(d)
    • B(d);N_GUARD,XP(J)::S(I)
    • S(a);OGATE::R1(C)
    • S(a);OGATE,P_SPINS(a),XS(H)::R(B)+P(E)DCHECK,XS(a)
    • P(g);N_GUARD::S(I)
  • Tries
    • Try
      • S(H);CHECK,XS(a)
      • Vars
        • K(c);P-FLIGHT::S(H)
      • Refutation
        • K(c);P-FLIGHT
  • Actual
    • Q(A);
    • Vars
      • K(c);OGATE,P_SPINB(e),P_SPINS(a),S_FLIGHT,XS(I)::P(E)
      • B(d);N_GUARD,XP(J)::S(I)
      • B(e);OGATE,XB(M)::QAR1(A)
      • S(a);OGATE,XS(H)::R(B)+P(E)DCHECK,XS(a)
      • B(d);N_GUARD::S(I),XB(d)
      • B(e);OGATE::QAR1(A)
      • B(e);OGATE,P_PINP(L)::QAR1(A)
      • S(a);OGATE::R1(C)
      • S(f);N_GUARD::QAB1(A),XB(e)
      • P(g);N_GUARD::S(I)
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