MESON Chess Problem Database

Problem Display
PID: 226857 (4r1rB/NN2P1n1/2Pp4/3k1P1b/5p2/3B4/3K4/Q7 w - - 0 1)

Bakcsi, Gyorgy

Freie Presse, 1998

4r1rB/NN2P1n1/2Pp4/3k1P1b/5p2/3B4/3K4/Q7

#2

9 + 7

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Sxf5
      • 2.Qa2#
    • 1...Se6
      • 2.Qa2#
  • Tries
    • 1.Be4+?
      • 1...Kc4
        • 2.Qc3#
        • 2.Qa4#
      • 1...Kxe4!
    • 1.Bxg7?
      • threat
        • 2.Qd4#
        • 2.Qa2#
        • 2.Qa5#
      • 1...Bd1
        • 2.Qd4#
        • 2.Qa5#
      • 1...Rxg7!
    • 1.Qf6?
      • threat
        • 2.Qxd6#
      • 1...Sxf5
        • 2.Qxf5#
      • 1...Se6
        • 2.Qxe6#
      • 1...Rd8!
    • 1.Qa3?
      • threat
        • 2.Qxd6#
      • 1...Kd4
        • 2.Qxd6#
      • 1...Ke5
        • 2.Qxd6#
      • 1...Sxf5
        • 2.Qa2#
        • 2.Qb3#
      • 1...Rd8!
  • Keys
    • 1.Kc3!
      • threat
        • 2.Qa5#
      • 1...Ke5
        • 2.Kc4#
      • 1...Sxf5
        • 2.Qa2#
      • 1...Se6
        • 2.Qa2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • S(e);XP(D)::QAB(A)
    • S(e);::QAB(A)
  • Tries
    • Try
      • B(C);CHECK
      • Refutation
        • K(b);S_FLIGHT,XB(C)
    • Try
      • B(I);XS(e)
      • Threat
        • DUALS(3)
      • Refutation
        • R(g);XB(I)
    • Try
      • Q(A);
      • Threat
        • QAR1(A),XP(d)
      • Vars
        • S(e);OGATE,XP(D)::QAR2(A),XS(e)
        • S(e);N_GUARD::QAB1(A),XS(e)
      • Refutation
        • R(f);
    • Try
      • Q(A);
      • Threat
        • QAR1(A),XP(d)
      • Vars
        • K(b);P-FLIGHT,P_SPINS(e)::QAR2(A),XP(d)
        • K(b);P-FLIGHT,P_SPINS(e)::QAB1(A),XP(d)
      • Refutation
        • R(f);
  • Actual
    • K(B);S_FLIGHT
    • Threat
      • QAR(A)
    • Vars
      • K(b);P-FLIGHT,P_SPINS(e)::QAB(A)+K(B)
      • S(e);XP(D)::QAB(A)
      • S(e);::QAB(A)
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Developed and maintained by Brian Stephenson.
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