MESON Chess Problem Database

Problem Display
PID: 146754 (2q5/1p3pb1/p2p2r1/4nr2/2b4N/8/2Q2B2/R2K1k2 w - - 0 1)

Lipton, Michael

The Problemist, 2012

2q5/1p3pb1/p2p2r1/4nr2/2b4N/8/2Q2B2/R2K1k2

#2

5 + 11

SOLUTION

  • SOUND
  • Sets
    • 1...Ba2
      • 2.Qe2#
    • 1...Be2+
      • 2.Qxe2#
    • 1...Bd5
      • 2.Qe2#
    • 1...Be6
      • 2.Qe2#
    • 1...Sd3
      • 2.Qe2#
  • Tries
    • 1.Bd4?
      • threat
        • 2.Kd2#
      • 1...Be2+
        • 2.Qxe2#
      • 1...Rf2
        • 2.Qxf2#
      • 1...Rg2
        • 2.Qxg2#
      • 1...Ba2
        • 2.Qe2#
      • 1...Sd3
        • 2.Qe2#
      • 1...Sf3
        • 2.Qf2#
      • 1...Bh6!
  • Keys
    • 1.Be3!
      • threat
        • 2.Kd2#
      • 1...Be2+
        • 2.Qxe2#
      • 1...Rf2
        • 2.Qxf2#
      • 1...Rg2
        • 2.Qxg2#
      • 1...Ba2
        • 2.Qe2#
      • 1...Sd3
        • 2.Qe2#
      • 1...Sf3
        • 2.Qf2#
      • 1...Sg4
        • 2.Qg2#
      • 1...Sc6
        • 2.Qxc4#
      • 1...Sd7
        • 2.Qxf5#

This is a version of 17734

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 2
  • Sets
    • B(b);N_GUARD::QAB1(C)
    • B(b);CHECK,N_GUARD::QAB1(C),XB(b)
    • S(c);S_CUTB(b)::QAB1(C)
  • Tries
    • Try
      • B(D);
      • Threat
        • R(A)+K(B)
      • Vars
        • B(b);CHECK,N_GUARD::QAB1(C),XB(b)
        • R(d);N_GUARD::QAR1(C),XR(d)
        • R(g);N_GUARD::QAB1(C),XR(g)
        • B(b);N_GUARD::QAB1(C)
        • S(c);S_CUTB(b)::QAB1(C)
        • S(c);S_CUTR(d)::QAR1(C)
      • Refutation
        • B(j);
  • Actual
    • B(D);
    • Threat
      • R(A)+K(B)
    • Vars
      • B(b);CHECK,N_GUARD::QAB1(C),XB(b)
      • R(d);N_GUARD::QAR1(C),XR(d)
      • R(g);N_GUARD::QAB1(C),XR(g)
      • B(b);N_GUARD::QAB1(C)
      • S(c);S_CUTB(b)::QAB1(C)
      • S(c);S_CUTR(d)::QAR1(C)
      • S(c);S_CUTR(g)::QAB1(C)
      • S(c);N_GUARD,S_CUTQ(k)::QAB(C),XB(b)
      • S(c);N_GUARD,S_CUTQ(k)::QAR(C),XR(d)
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