MESON Chess Problem Database

Problem Display
PID: 158988 (6KB/2N1p1n1/1p1prPp1/3Pk2P/R2b2PP/4PBN1/1p2Q3/4R3 w - - 0 1)

Bomio, Spartaco

Der Landbote, 2008

6KB/2N1p1n1/1p1prPp1/3Pk2P/R2b2PP/4PBN1/1p2Q3/4R3

#2

14 + 9

15527 schachkunst (1997-2010) (Hoffmann) 2016

SOLUTION

  • SOUND
  • Sets
    • 1...Kxf6
      • 2.Bxg7#
    • 1...Bxe3
      • 2.Qxb2#
  • Tries
    • 1.Qd3?
      • threat
        • 2.Qxd4#
      • 1...Kxf6
        • 2.Bxg7#
      • 1...Bxe3
        • 2.Qc3#
        • 2.Qd4#
      • 1...Bc3
        • 2.Qxc3#
      • 1...Sf5
        • 2.Qe4#
      • 1...Bc5!
    • 1.Qc4?
      • threat
        • 2.Qxd4#
      • 1...Kxf6
        • 2.Bxg7#
      • 1...Bxe3
        • 2.Qc3#
        • 2.Qd4#
        • 2.Qf4#
      • 1...Bc5
        • 2.Qf4#
      • 1...Bc3
        • 2.Qxc3#
        • 2.Qf4#
      • 1...Sf5!
    • 1.Qd2?
      • threat
        • 2.Qxd4#
      • 1...Kxf6
        • 2.Bxg7#
      • 1...Bxe3
        • 2.Qc3#
        • 2.Qxb2#
        • 2.Qd4#
      • 1...Bc3
        • 2.Qxc3#
      • 1...Sf5
        • 2.exd4#
      • 1...Bc5!
    • 1.exd4+?
      • 1...Kxf6
        • 2.Se8#
        • 2.Bxg7#
        • 2.Qxe6#
        • 2.g5#
      • 1...Kf4!
  • Keys
    • 1.Qh2!
      • threat
        • 2.Se4#
      • 1...Kxf6
        • 2.Bxg7#
      • 1...Rxf6
        • 2.Sf5#
      • 1...Bxe3
        • 2.Qxb2#
      • 1...Sxh5
        • 2.Sxh5#
      • 1...Sf5
        • 2.Sxf5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • K(c);OGATEB,P_SPINS(i),S_FLIGHT,XP(K)::B(N),XS(i)
    • B(b);OGATEB,P_SPINB(b),XP(C)::QAB(B),XP(a)
  • Tries
    • Try
      • Q(B);
      • Threat
        • QAB1(B),XB(b)
      • Vars
        • K(c);OGATEB,P_SPINS(i),S_FLIGHT,XP(K)::B(N),XS(i)
        • B(b);OGATEB::QAB(B),XB(b)
        • S(i);::QAR1(B)
      • Refutation
        • B(b);
    • Try
      • Q(B);
      • Threat
        • QAB1(B),XB(b)
      • Vars
        • K(c);OGATEB,P_SPINS(i),S_FLIGHT,XP(K)::B(N),XS(i)
        • B(b);OGATE::QAB1(B)
      • Refutation
        • S(i);
    • Try
      • Q(B);
      • Threat
        • QAB1(B),XB(b)
      • Vars
        • K(c);OGATEB,P_SPINS(i),S_FLIGHT,XP(K)::B(N),XS(i)
        • B(b);OGATEB::QAB(B),XB(b)
        • S(i);::R(A)+P(C)DCHECK,XB(b)
      • Refutation
        • B(b);
    • Try
      • P(C);CHECK,XB(b)
      • Refutation
        • K(c);S_FLIGHT
  • Actual
    • Q(B);
    • Threat
      • QAB(B)+S(E)
    • Vars
      • K(c);OGATEB,P_SPINS(i),S_FLIGHT,XP(K)::B(N),XS(i)
      • R(f);SBLOCK,XP(K)::QAB(B)+S(E)
      • B(b);OGATEB,P_SPINB(b),XP(C)::QAB(B),XP(a)
      • S(i);XP(J)::QAB(B)+S(E),XS(i)
      • S(i);::QAB(B)+S(E),XS(i)
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