MESON Chess Problem Database

Problem Display
PID: 231645 (8/3r1p2/6B1/1Pbk1N2/4R3/2Q1Pn2/3n1N2/7K w - - 0 1)

Fleischer, Gyula

Ujsag, 1927

8/3r1p2/6B1/1Pbk1N2/4R3/2Q1Pn2/3n1N2/7K

#2

8 + 6

6490 yacpdb 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Rd6
      • 2.Se7#
    • 1...Rd8
      • 2.Bxf7#
    • 1...Ba3
      • 2.Qc6#
    • 1...Bxe3
      • 2.Qc6#
    • 1...Bb4
      • 2.Qc6#
    • 1...Bd4
      • 2.Qc6#
    • 1...Bb6
      • 2.Qc6#
    • 1...Bd6
      • 2.Qc6#
    • 1...Ba7
      • 2.Qc6#
    • 1...Be7
      • 2.Bxf7#
      • 2.Qc6#
    • 1...Bf8
      • 2.Qc6#
    • 1...Sb1
      • 2.Qb3#
      • 2.Qc4#
    • 1...Sf1
      • 2.Qb3#
      • 2.Qc4#
    • 1...Sb3
      • 2.Qxb3#
      • 2.Qc4#
    • 1...Sc4
      • 2.Qxc4#
    • 1...Se1
      • 2.Re5#
      • 2.Qe5#
    • 1...Sg1
      • 2.Re5#
      • 2.Qe5#
    • 1...Sh2
      • 2.Re5#
      • 2.Qe5#
    • 1...Sh4
      • 2.Re5#
      • 2.Qe5#
    • 1...Se5
      • 2.Rxe5#
      • 2.Qxe5#
    • 1...Sg5
      • 2.Re5#
      • 2.Qe5#
  • Tries
    • 1.Qb3+?
      • 1...Sc4
        • 2.Qxc4#
      • 1...Sxb3!
  • Keys
    • 1.Sg4!
      • threat
        • 2.Sf6#
      • 1...Kxe4
        • 2.Sf6#
      • 1...Sxe4
        • 2.Qb3#
      • 1...Se5
        • 2.Rxe5#
        • 2.Qxe5#
      • 1...Rd6
        • 2.Se7#
      • 1...Bd4
        • 2.Qc6#
      • 1...Be7
        • 2.Qc6#
      • 1...f6
        • 2.Sxf6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 9
  • Sets
    • R(e);N_GUARD,SBLOCK,S_CUTB(c)::S(G)
    • R(e);N_GUARD::B(H),XP(f)
    • B(c);OGATE::QAB1(C)
    • B(c);OGATE,XP(D)::QAB1(C)
    • S(a);N_GUARD::QAB1(C),XS(a)
  • Tries
    • Try
      • Q(C);CHECK
      • Vars
        • S(a);N_GUARD,P_SPINS(a)::QAB1(C),XS(a)
      • Refutation
        • S(a);XQ(C)
  • Actual
    • S(B);
    • Threat
      • S(B)
    • Vars
      • K(d);S_FLIGHT,XR(E)::S(B)
      • S(a);N_GUARD,SBLOCK,XR(E)::QAB(C)
      • R(e);N_GUARD,SBLOCK,S_CUTB(c)::S(G)
      • B(c);OGATE::QAB1(C)
      • P(f);::S(B),XP(f)
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