MESON Chess Problem Database

Problem Display
PID: 78739 (3b3r/2q1p1p1/2r3B1/2B2R1n/1pQNkppK/4p1p1/6N1/1b6 w - - 0 1)

Touw Hian Bwee

A Collection of Chess Problems by Touw Hian Bwee, 2008

3b3r/2q1p1p1/2r3B1/2B2R1n/1pQNkppK/4p1p1/6N1/1b6

#2

7 + 14

SOLUTION

  • SOUND
  • Sets
    • 1...Qe5
      • 2.Rxf4#
    • 1...Rxc5
      • 2.Rxc5#
      • 2.Rd5#
    • 1...Ba2
      • 2.Qc2#
    • 1...Bc2
      • 2.Qxc2#
    • 1...Bd3
      • 2.Qd5#
    • 1...Sf6+
      • 2.Rh5#
    • 1...e2
      • 2.Qxe2#
    • 1...f3
      • 2.Sc2#
      • 2.Se2#
      • 2.Sb3#
      • 2.Sxf3#
      • 2.Sb5#
      • 2.Sxc6#
      • 2.Se6#
    • 1...e5+
      • 2.Rf6#
    • 1...e6+
      • 2.Rg5#
  • Keys
    • 1.Qb3!
      • threat
        • 2.Qxb1#
      • 1...Sf6+
        • 2.Rh5#
      • 1...e5+
        • 2.Rf6#
      • 1...e6+
        • 2.Rg5#
      • 1...Rxc5
        • 2.Rd5#
      • 1...Qe5
        • 2.Rxf4#
      • 1...Ba2
        • 2.Qc2#
      • 1...Bc2
        • 2.Qxc2#
      • 1...Bd3
        • 2.Qd5#

This is a version of 78738

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 1
  • Sets
    • Q(j);SBLOCK::B(G)+R(F),DCHECK,XP(f)
    • B(a);N_GUARD::QAB(B)
    • B(a);N_GUARD::QAB(B),XB(a)
    • B(a);SBLOCK::QAB1(B)
    • S(h);CHECK,S_CUTR(i)::B(G)+R(F)
    • P(b);OGATEB::QAR2(B),XP(b)
    • P(k);CHECK,SBLOCK::B(G)+R(F)
    • P(k);CHECK,S_CUTR(i)::B(G)+R(F)
  • Actual
    • Q(B);
    • Threat
      • QAB(B),XB(a)
    • Vars
      • S(h);CHECK,S_CUTR(i)::B(G)+R(F)
      • P(k);CHECK,SBLOCK::B(G)+R(F)
      • P(k);CHECK,S_CUTR(i)::B(G)+R(F)
      • R(i);N_GUARD,XB(E)::B(G)+R(F)
      • Q(j);SBLOCK::B(G)+R(F),DCHECK,XP(f)
      • B(a);N_GUARD::QAB(B)
      • B(a);N_GUARD::QAB(B),XB(a)
      • B(a);SBLOCK::QAB1(B)
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