MESON Chess Problem Database

Problem Display
PID: 99142 (3r4/3pN3/1P4n1/P1R2P1r/1K1kb3/7p/3P2n1/b1BQ1B2 w - - 0 1)

Gebura, Stanislaw

Magyar Sakkelet, 1996

3r4/3pN3/1P4n1/P1R2P1r/1K1kb3/7p/3P2n1/b1BQ1B2

#2

10 + 9

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Bb2
      • 2.Bxb2#
    • 1...Bc3+
      • 2.dxc3#
    • 1...Se3
      • 2.dxe3#
    • 1...d5
      • 2.Sc6#
  • Tries
    • 1.Qe2?
      • threat
        • 2.Qc4#
      • 1...Bc3+
        • 2.dxc3#
      • 1...d5
        • 2.Sc6#
      • 1...Bd3
        • 2.Rd5#
        • 2.Qxd3#
      • 1...Bd5
        • 2.Rxd5#
      • 1...Se3
        • 2.Qxe3#
        • 2.dxe3#
      • 1...Se5!
    • 1.Qb3?
      • threat
        • 2.Qc4#
      • 1...Bc3+
        • 2.Qxc3#
        • 2.dxc3#
      • 1...Bd3
        • 2.Qd5#
        • 2.Qxd3#
      • 1...Bd5
        • 2.Qxd5#
      • 1...d5
        • 2.Sc6#
      • 1...Se3
        • 2.Qxe3#
        • 2.dxe3#
      • 1...Se5!
  • Keys
    • 1.Qg4!
      • threat
        • 2.Rd5#
      • 1...Bc3+
        • 2.dxc3#
      • 1...Rxf5
        • 2.Sxf5#
      • 1...Sxe7
        • 2.Qg7#
      • 1...d5
        • 2.Sc6#
      • 1...Se3
        • 2.dxe3#
      • 1...S2f4
        • 2.Qg1#
      • 1...S6f4
        • 2.Qg7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 1
  • Sets
    • B(a);N_GUARD::B(A),XB(a)
    • B(a);CHECK,OGATE::QAR(B)+P(D)DCHECK,XB(a)
    • S(b);OGATE::QAR(B)+P(D)DCHECK,XS(b)
    • P(h);N_GUARD,S_CUTB(e)::S(J)
  • Tries
    • Try
      • Q(B);
      • Threat
        • QAR1(B)
      • Vars
        • B(a);CHECK,OGATE::P(D),XB(a)
        • P(h);N_GUARD,S_CUTB(e)::S(J)
        • B(e);N_GUARD::R1(G),XB(e)
      • Refutation
        • S(g);
    • Try
      • Q(B);
      • Threat
        • QAR1(B)
      • Vars
        • B(e);N_GUARD::QAR1(B),XB(e)
        • P(h);N_GUARD,S_CUTB(e)::S(J)
      • Refutation
        • S(g);
  • Actual
    • Q(B);P_PINB(e)
    • Threat
      • R1(G)
    • Vars
      • B(a);CHECK,OGATE::P(D),XB(a)
      • R(f);XP(H)::S(J),XR(f)
      • S(g);OGATE,XS(J)::QAB(B)
      • P(h);N_GUARD::S(J)
      • S(b);OGATE::P(D),XS(b)
      • S(b);N_SPINB(e),OGATE::QAB(B)
      • S(g);N_SPINB(e),OGATE::QAB(B)
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