MESON Chess Problem Database

Problem Display
PID: 193960 (8/1p1K4/1P1P1P2/1p1kNp2/1P1qNP2/1PQ5/2n3P1/8 w - - 0 1)

Chrenko, Stefan

Pesti Naplo, 1916

8/1p1K4/1P1P1P2/1p1kNp2/1P1qNP2/1PQ5/2n3P1/8

#2

11 + 6

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Sets
    • 1...Kxe4
      • 2.Qf3#
    • 1...Qxe5
      • 2.Qxe5#
    • 1...Qxe4
      • 2.Qc5#
  • Tries
    • 1.Qxd4+?
      • 1...Sxd4
        • 2.Sc3#
      • 1...Kxd4!
  • Keys
    • 1.Sc6!
      • 1...Kxe4
        • 2.Qf3#
      • 1...Qxc3
        • 2.Sxc3#
      • 1...Qxb6
        • 2.Qe5#
      • 1...Qxf6
        • 2.Sxf6#
      • 1...Qxb4
        • 2.Qe5#
      • 1...Qxe4
        • 2.Qc5#
      • 1...Sxb4
        • 2.Qxd4#
      • 1...fxe4
        • 2.Se7#
      • 1...bxc6
        • 2.Qxc6#
      • 1...Qg1
        • 2.Qe5#
      • 1...Qf2
        • 2.Qe5#
      • 1...Qe3
        • 2.Qe5#
      • 1...Qc5
        • 2.Qe5#
      • 1...Qe5
        • 2.Qxe5#
      • 1...Qd1
        • 2.Qe5#
      • 1...Qd2
        • 2.Qe5#
      • 1...Qd3
        • 2.Qe5#
      • 1...Qc4
        • 2.Qe5#
      • 1...Sa1
        • 2.Qxd4#
      • 1...Se1
        • 2.Qxd4#
      • 1...Sa3
        • 2.Qxd4#
      • 1...Se3
        • 2.Qxd4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 19
    • REMOVED MATES = 0
  • Sets
    • K(d);OGATEB,P_PINP(I),S_FLIGHT,XS(E)::QAB1(C)
    • Q(b);OGATE,XS(G)::QAR1(C),XQ(b)
    • Q(b);N_GUARD,SBLOCK,XS(E)::QAR1(C)
  • Tries
    • Try
      • Q(C);CHECK,XQ(b)
      • Vars
        • S(a);SBLOCK,XQ(C)::S(E)
      • Refutation
        • K(d);P-FLIGHT,XQ(C)
  • Actual
    • S(G);
    • Vars
      • K(d);OGATEB,P_PINP(I),S_FLIGHT,XS(E)::QAB1(C)
      • Q(b);XQ(C)::S(E),XQ(b)
      • Q(b);OGATE,XP(H)::QAR1(C)
      • Q(b);XP(J)::S(E),XQ(b)
      • Q(b);OGATE,XP(D)::QAR1(C)
      • Q(b);N_GUARD,SBLOCK,XS(E)::QAR1(C)
      • S(a);N_GUARD,XP(D)::QAR1(C),XQ(b)
      • P(e);SBLOCK,XS(E)::S(G)
      • P(f);OGATE,XS(G)::QAB1(C),XP(f)
      • Q(b);OGATE::QAR1(C)
      • Q(b);OGATE::QAR1(C),XQ(b)
      • S(a);N_GUARD::QAR1(C),XQ(b)
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