MESON Chess Problem Database

Problem Display
PID: 243380 (3n4/2NK4/B7/1pp1p3/2pkp1pR/P2N2pP/3B2P1/3R1Q2 w - - 0 1)

Haring, Jacobus

The Problemist, 1989

3n4/2NK4/B7/1pp1p3/2pkp1pR/P2N2pP/3B2P1/3R1Q2

#2

11 + 9

SOLUTION

  • SOUND
  • Tries
    • 1.Sxe5?
      • 1...Kxe5
        • 2.Bc3#
      • 1...gxh3
        • 2.Sf3#
      • 1...e3
        • 2.Qf4#
      • 1...Sc6
        • 2.Sxc6#
      • 1...Se6
        • 2.Sc6#
      • 1...Sb7
        • 2.Sc6#
      • 1...Sf7
        • 2.Sc6#
      • 1...c3
        • 2.Bf4#
      • 1...b4!
    • 1.Bc3+?
      • 1...Ke3
        • 2.Sd5#
        • 2.Re1#
        • 2.Qe1#
      • 1...Kxc3!
    • 1.Qg1+?
      • 1...e3
        • 2.Qxe3#
      • 1...Kxd3!
    • 1.Qf2+?
      • 1...Kxd3
        • 2.Be1#
        • 2.Bb4#
        • 2.Ba5#
      • 1...e3
        • 2.Qxe3#
      • 1...gxf2!
  • Keys
    • 1.Sxc5!
      • 1...Kxc5
        • 2.Be3#
      • 1...gxh3
        • 2.Qg1#
      • 1...Sc6
        • 2.S5e6#
      • 1...Se6
        • 2.S5xe6#
      • 1...Sb7
        • 2.S5e6#
      • 1...Sf7
        • 2.S5e6#
      • 1...c3
        • 2.Sb3#
      • 1...e3
        • 2.Bb4#
      • 1...b4
        • 2.Qxc4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 9
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(F);XP(h)
      • Vars
        • K(c);S_FLIGHT,XS(F)::B(C)
        • P(e);N_GUARD,P_SPINP(d),XP(G)::S(F)
        • P(d);OGATEB,P_SPINP(e)::QAR2(B)
        • S(i);N_GUARD::S(F),XS(i)
        • S(i);N_GUARD::S(F)
        • P(b);SBLOCK::R(A)+B(C)
      • Refutation
        • P(f);
    • Try
      • B(C);CHECK
      • Refutation
        • K(c);S_FLIGHT,XB(C)
    • Try
      • Q(B);CHECK
      • Vars
        • P(d);P_SPINP(d)::QAB1(B),XP(d)
      • Refutation
        • K(c);P-FLIGHT,XS(F)
    • Try
      • Q(B);CHECK
      • Vars
        • P(d);P_SPINP(d)::QAB1(B),XP(d)
      • Refutation
        • P(a);XQ(B)
  • Actual
    • S(F);XP(g)
    • Vars
      • K(c);S_FLIGHT,XS(F)::B(C)
      • P(e);P_SPINP(d),XP(G)::QAB(B)
      • S(i);N_GUARD::S(F)
      • S(i);N_GUARD::S(F),XS(i)
      • P(b);N_GUARD::S(F)
      • P(d);P_SPINP(e),SBLOCK::R(A)+B(C)
      • P(f);N_GUARD::QAR1(B),XP(b)
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Developed and maintained by Brian Stephenson.
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