MESON Chess Problem Database

Problem Display
PID: 133096 (8/n2B4/Q1pb2p1/3k1b1R/4NnR1/p4P2/5N2/BK6 w - - 0 1)

Baxter, FL

The Field, 1960

(First published on Thu May 19 1960)

8/n2B4/Q1pb2p1/3k1b1R/4NnR1/p4P2/5N2/BK6

#2

9 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Sg2
      • 2.Qd3#
    • 1...Sd3
      • 2.Qxd3#
    • 1...Sh3
      • 2.Qd3#
    • 1...Sxh5
      • 2.Qd3#
    • 1...Sb5
      • 2.Qxc6#
    • 1...Sc8
      • 2.Qxc6#
    • 1...a2+
      • 2.Qxa2#
  • Tries
    • 1.Sd1?
      • threat
        • 2.Se3#
      • 1...a2+
        • 2.Qxa2#
      • 1...Sg2
        • 2.Qd3#
      • 1...Bc5!
    • 1.Rxf5+?
      • 1...Be5
        • 2.Rxe5#
      • 1...gxf5!
    • 1.Qa4?
      • threat
        • 2.Qb3#
        • 2.Qd4#
      • 1...a2+
        • 2.Qxa2#
      • 1...Bb4
        • 2.Qb3#
      • 1...Bc5
        • 2.Qb3#
      • 1...Be5
        • 2.Qb3#
      • 1...Se2
        • 2.Qb3#
      • 1...Se6
        • 2.Qb3#
      • 1...Sb5
        • 2.Qb3#
      • 1...c5!
  • Keys
    • 1.Sd3!
      • threat
        • 2.Sf6#
      • 1...a2+
        • 2.Qxa2#
      • 1...Sxd3
        • 2.Qxd3#
      • 1...Sxh5
        • 2.Sc3#
      • 1...Sb5
        • 2.Qxc6#
      • 1...Bb4
        • 2.Sxb4#
        • 2.Sxf4#
      • 1...Bc5
        • 2.Sxf4#
      • 1...Be5
        • 2.Sb4#
      • 1...Bc7
        • 2.Sb4#
      • 1...Be7
        • 2.Sxf4#
      • 1...Bb8
        • 2.Sb4#
      • 1...Bf8
        • 2.Sxf4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 6
    • REMOVED MATES = 3
  • Sets
    • S(b);N_GUARD::QAR2(H)
    • S(b);N_GUARD,N_PINS(E)::QAR2(H),XS(b)
    • S(b);N_GUARD,N_SPINB(d),XR(G)::QAR2(H)
    • S(h);N_GUARD::QAB1(H),XP(e)
    • P(a);CHECK,OGATE::QAB(H),XP(a)
  • Tries
    • Try
      • S(C);
      • Threat
        • S(C)
      • Vars
        • P(a);CHECK,OGATE::QAB(H),XP(a)
        • S(b);N_GUARD::QAR2(H)
      • Refutation
        • B(f);
    • Try
      • R(G);CHECK,N_SPINS(E),XB(d)
      • Vars
        • B(f);N_GUARD,P_SPINB(f)::R1(G),XB(f)
      • Refutation
        • P(g);XR(G)
    • Try
      • Q(H);
      • Threat
        • DUALS(2)
      • Vars
        • P(a);CHECK,OGATE::QAB(H),XP(a)
        • B(f);::QAB(H)
        • B(f);N_SPINB(d)::QAB(H)
        • S(b);::QAB(H)
        • S(h);::QAB(H)
      • Refutation
        • P(e);
  • Actual
    • S(C);N_SPINS(E)
    • Threat
      • S(E)
    • Vars
      • P(a);CHECK,OGATE::QAB(H),XP(a)
      • S(b);OGATE,XS(C)::QAR2(H),XS(b)
      • S(b);N_SPINB(d),XR(G)::S(E)
      • S(h);N_GUARD::QAB1(H),XP(e)
      • B(f);N_GUARD::S(C),XS(b)
      • B(f);N_GUARD,N_SPINB(d)::S(C)
      • B(f);N_GUARD::S(C)
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