MESON Chess Problem Database

Problem Display
PID: 65403 (2K5/3BR1p1/2Pp2p1/p2pqpP1/3pkN2/r6p/5Q2/2BbN1b1 w - - 0 1)

Bakcsi, Gyorgy

Probleemblad, 1998

2K5/3BR1p1/2Pp2p1/p2pqpP1/3pkN2/r6p/5Q2/2BbN1b1

#2

9 + 13

SOLUTION

  • SOUND
  • Sets
    • 1...Qe6
      • 2.Rxe6#
    • 1...Bb3
      • 2.Qf3#
  • Tries
    • 1.Se2?
      • threat
        • 2.Qf4#
      • 1...Rf3
        • 2.Qxf3#
      • 1...Bh2
        • 2.Qxd4#
      • 1...f4
        • 2.Qxf4#
      • 1...Bxf2!
    • 1.Sfd3?
      • threat
        • 2.Qf4#
      • 1...Bxf2
        • 2.Sxf2#
      • 1...Bf3
        • 2.Qxf3#
      • 1...f4
        • 2.Qxf4#
      • 1...Bh2!
  • Keys
    • 1.Be6!
      • threat
        • 2.Bxd5#
      • 1...Qxe6+
        • 2.Rxe6#
      • 1...Qxf4
        • 2.Qxf4#
      • 1...Bb3
        • 2.Qf3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • Q(i);OGATEB,P_PINB(G)::R(H),XQ(i)
    • B(a);N_GUARD,S_CUTR(c)::QAB1(C)
  • Tries
    • Try
      • S(D);
      • Threat
        • QAR1(C)
      • Vars
        • R(c);N_GUARD::QAB1(C),XR(c)
        • B(b);N_GUARD::QAR1(C),XP(e)
        • P(j);::QAR1(C),XP(j)
      • Refutation
        • B(b);XQ(C)
    • Try
      • S(D);
      • Threat
        • QAR1(C)
      • Vars
        • B(b);XQ(C)::S(D),XB(b)
        • B(a);N_GUARD::QAB1(C),XB(a)
        • P(j);::QAR1(C),XP(j)
      • Refutation
        • B(b);
  • Actual
    • B(G);N_PINQ(i)
    • Threat
      • B(G),XP(h)
    • Vars
      • Q(i);CHECK,OGATE,P_SPINQ(i),XB(G)::R(H),XQ(i)
      • Q(i);OGATE,XS(D)::QAR1(C),XQ(i)
      • B(a);N_GUARD,S_CUTR(c)::QAB1(C)
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