MESON Chess Problem Database

Problem Display
PID: 274829 (8/2p4Q/2B1R3/2p2Nb1/Kpk1N3/1RP2pq1/3p4/8 w - - 0 1)

Reitman, Mark

Springaren, 1992

8/2p4Q/2B1R3/2p2Nb1/Kpk1N3/1RP2pq1/3p4/8

#2

8 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...bxc3
      • 2.Rxc3#
  • Tries
    • 1.Se3+?
      • 1...Kd3
        • 2.Sxg3#
      • 1...Bxe3!
    • 1.Se7?
      • threat
        • 2.Bb5#
      • 1...Kd3
        • 2.Sd6#
      • 1...Bxe7
        • 2.Sxd2#
      • 1...bxc3!
    • 1.Qd7?
      • threat
        • 2.Bb5#
        • 2.Qd5#
      • 1...d1Q
        • 2.Bb5#
      • 1...d1R
        • 2.Bb5#
      • 1...Qe5
        • 2.Bb5#
      • 1...Qd6!
  • Keys
    • 1.Sf6!
      • threat
        • 2.Bb5#
      • 1...Kd3
        • 2.Sd6#
      • 1...Bxf6
        • 2.Se3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • P(d);OGATE,XP(B)::R1(A),XP(d)
  • Tries
    • Try
      • S(E);CHECK
      • Vars
        • K(e);S_CUTB(g),S_FLIGHT::QAB(H)+S(D),XQ(c)
      • Refutation
        • B(g);XS(E)
    • Try
      • S(E);
      • Threat
        • B(F)
      • Vars
        • K(e);S_CUTP(h),S_CUTQ(c),S_FLIGHT::QAB(H)+S(D)
        • B(g);N_GUARD,XS(E)::S(D),XP(a)
      • Refutation
        • P(d);XP(B)
    • Try
      • Q(H);
      • Threat
        • DUALS(2)
      • Vars
        • P(a);P_PINR(A)::B(F)
        • P(a);::B(F)
        • Q(c);::B(F)
      • Refutation
        • Q(c);
  • Actual
    • S(D);
    • Threat
      • B(F)
    • Vars
      • K(e);S_CUTP(h),S_CUTQ(c),S_FLIGHT::QAB(H)+S(E)
      • B(g);N_GUARD,XS(D)::S(E)
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