MESON Chess Problem Database

Problem Display
PID: 2798 (2bb3Q/Kp3p2/1n2B3/R2pB3/p2Nk3/2Ppr3/q1r5/4n2N w - - 0 1)

White, Alain Campbell

Source?, 0000

2bb3Q/Kp3p2/1n2B3/R2pB3/p2Nk3/2Ppr3/q1r5/4n2N

#2

8 + 13

2794 Terms & Themes of Chess Problems 1907

SOLUTION

  • SOUND
  • Sets
    • 1...Sf3
      • 2.Sg3#
    • 1...Sc4
      • 2.Bxd5#
    • 1...Sd7
      • 2.Bf5#
    • 1...d2
      • 2.Sf2#
  • Tries
    • 1.Bc7?
      • threat
        • 2.Qe5#
      • 1...d2
        • 2.Sf2#
      • 1...Bf6
        • 2.Qh7#
      • 1...Sf3
        • 2.Sg3#
      • 1...Sc4
        • 2.Bxd5#
      • 1...Sd7
        • 2.Bf5#
      • 1...f6
        • 2.Qh4#
      • 1...Bxc7!
    • 1.Bb8?
      • threat
        • 2.Qe5#
      • 1...d2
        • 2.Sf2#
      • 1...Bf6
        • 2.Qh7#
      • 1...Sf3
        • 2.Sg3#
      • 1...Sc4
        • 2.Bxd5#
      • 1...Sd7
        • 2.Bf5#
      • 1...f6
        • 2.Qh4#
      • 1...Bc7!
    • 1.Qh7+?
      • 1...f5
        • 2.Qxf5#
      • 1...Kxe5!
  • Keys
    • 1.Bd6!
      • threat
        • 2.Qe5#
      • 1...d2
        • 2.Sf2#
      • 1...Bf6
        • 2.Qh7#
      • 1...Sf3
        • 2.Sg3#
      • 1...Sc4
        • 2.Bxd5#
      • 1...Sd7
        • 2.Bf5#
      • 1...f6
        • 2.Qh4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • S(a);S_CUTR(e)::S(A)
    • S(i);N_GUARD,S_CUTQ(b)::B(F),XP(h)
    • S(i);S_CUTB(l)::B(F)
    • P(d);S_CUTR(c)::S(A)
  • Tries
    • Try
      • B(E);
      • Threat
        • QAR1(H)
      • Vars
        • P(d);S_CUTR(c)::S(A)
        • B(m);S_CUTP(k)::QAB(H)
        • S(a);S_CUTR(e)::S(A)
        • S(i);N_GUARD,S_CUTQ(b)::B(F),XP(h)
        • S(i);S_CUTB(l)::B(F)
        • P(k);S_CUTB(m)::QAR(H)
      • Refutation
        • B(m);XB(E)
    • Try
      • B(E);
      • Threat
        • QAR1(H)
      • Vars
        • P(d);S_CUTR(c)::S(A)
        • B(m);S_CUTP(k)::QAB(H)
        • S(a);S_CUTR(e)::S(A)
        • S(i);N_GUARD,S_CUTQ(b)::B(F),XP(h)
        • S(i);S_CUTB(l)::B(F)
        • P(k);S_CUTB(m)::QAR(H)
      • Refutation
        • B(m);
    • Try
      • Q(H);CHECK
      • Vars
        • P(k);P_SPINP(k)::QAB1(H),XP(k)
      • Refutation
        • K(g);P-FLIGHT,P_SPINP(h),XB(E)
  • Actual
    • B(E);
    • Threat
      • QAR1(H)
    • Vars
      • P(d);S_CUTR(c)::S(A)
      • B(m);S_CUTP(k)::QAB(H)
      • S(a);S_CUTR(e)::S(A)
      • S(i);N_GUARD,S_CUTQ(b)::B(F),XP(h)
      • S(i);S_CUTB(l)::B(F)
      • P(k);S_CUTB(m)::QAR(H)
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