MESON Chess Problem Database

Problem Display
PID: 51763 (8/6N1/5K2/2p2p2/3n1kb1/2R2Pp1/Q5P1/2b2N1R w - - 0 1)

Ganapathi, Ramaswamy

StrateGems, 2004

8/6N1/5K2/2p2p2/3n1kb1/2R2Pp1/Q5P1/2b2N1R

#2

8 + 7

SOLUTION

  • SOUND
  • Sets
    • 1...Bd2
      • 2.Qxd2#
    • 1...Ba3
      • 2.Qd2#
    • 1...Bh3
      • 2.Sh5#
    • 1...Bh5
      • 2.Sxh5#
    • 1...Sc2
      • 2.Se6#
    • 1...Se2
      • 2.Se6#
    • 1...Sb3
      • 2.Se6#
    • 1...Sb5
      • 2.Se6#
    • 1...Sc6
      • 2.Se6#
    • 1...Se6
      • 2.Sxe6#
  • Tries
    • 1.Qd5?
      • threat
        • 2.Qe5#
        • 2.Qd6#
      • 1...Sxf3
        • 2.Se6#
      • 1...Sb5
        • 2.Se6#
        • 2.Qe5#
      • 1...Sc6
        • 2.Se6#
      • 1...Bxf3!
    • 1.Qe2?
      • threat
        • 2.Qe5#
      • 1...Sxe2
        • 2.Se6#
      • 1...Sxf3
        • 2.Se6#
      • 1...Be3
        • 2.Qxe3#
      • 1...Sc6
        • 2.Se6#
      • 1...Bxf3!
    • 1.Qa8?
      • threat
        • 2.Qb8#
      • 1...Sxf3
        • 2.Se6#
      • 1...Sb5
        • 2.Se6#
      • 1...Sc6
        • 2.Se6#
      • 1...Se6
        • 2.Sxe6#
      • 1...Bxf3!
  • Keys
    • 1.Qf2!
      • threat
        • 2.Qxg3#
      • 1...Bxf3
        • 2.Rh4#
      • 1...Sxf3
        • 2.Rc4#
      • 1...gxf2
        • 2.g3#
      • 1...Se2
        • 2.Se6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 9
  • Sets
    • B(a);N_GUARD::QAB(C),XB(a)
    • B(a);N_GUARD::QAB(C)
    • B(e);N_GUARD::S(H)
    • B(e);N_GUARD::S(H),XB(e)
    • S(c);N_GUARD::S(H)
    • S(c);N_GUARD::S(H),XS(c)
  • Tries
    • Try
      • Q(C);
      • Threat
        • DUALS(2)
      • Vars
        • S(c);N_GUARD,XP(F)::S(H)
        • S(c);N_GUARD::S(H)
      • Refutation
        • B(e);XP(F)
    • Try
      • Q(C);
      • Threat
        • QAB1(C)
      • Vars
        • S(c);N_GUARD,XQ(C)::S(H)
        • S(c);N_GUARD,XP(F)::S(H)
        • B(a);N_GUARD::QAB1(C),XB(a)
        • S(c);N_GUARD::S(H)
      • Refutation
        • B(e);XP(F)
    • Try
      • Q(C);
      • Threat
        • QAB(C)
      • Vars
        • S(c);N_GUARD,XP(F)::S(H)
        • S(c);N_GUARD::S(H)
        • S(c);N_GUARD::S(H),XS(c)
      • Refutation
        • B(e);XP(F)
  • Actual
    • Q(C);
    • Threat
      • QAB1(C),XP(b)
    • Vars
      • B(e);OGATEB,P_SPINB(e),XP(F)::R(B)
      • S(c);OGATEB,P_SPINS(c),XP(F)::R(E)
      • P(b);OGATE,XQ(C)::P(D)
      • S(c);N_GUARD::S(H)
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