MESON Chess Problem Database

Problem Display
PID: 6958 (b2q2B1/2nP4/r2p1p1R/1NRnbkB1/r4p1P/p1p1pQ2/3P4/7K w - - 0 1)

Kish, Alexander

Chess, 1935

b2q2B1/2nP4/r2p1p1R/1NRnbkB1/r4p1P/p1p1pQ2/3P4/7K

#2

10 + 14

SOLUTION

  • SOUND
  • Sets
    • 1...Re4
      • 2.Qh3#
    • 1...Bd4
      • 2.Qxf4#
    • 1...Sb4
      • 2.Sd4#
    • 1...Sb6
      • 2.Sxd6#
    • 1...Se7
      • 2.Rxf6#
    • 1...Se6
      • 2.Bh7#
    • 1...fxg5
      • 2.Bh7#
  • Tries
    • 1.Sd4+?
      • 1...Bxd4
        • 2.Qxf4#
      • 1...Rxd4!
  • Keys
    • 1.d3!
      • threat
        • 2.Qh3#
      • 1...fxg5
        • 2.Bh7#
      • 1...Bd4
        • 2.Qxf4#
      • 1...Sb4
        • 2.Sd4#
      • 1...Sb6
        • 2.Sxd6#
      • 1...Se7
        • 2.Rxf6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 2
  • Sets
    • R(d);SBLOCK::QAB(C)
    • B(g);N_GUARD,P_SPINS(f),S_CUTR(d)::QAR1(C),XP(e)
    • S(f);P_PINQ(C),P_SPINB(g),S_CUTR(d)::S(E)
    • S(f);P_PINQ(C),P_SPINB(g),S_CUTR(i)::S(E),XP(j)
    • S(f);N_GUARD,P_PINQ(C),P_SPINB(g),S_CUTQ(n)::R1(H),XP(k)
    • S(l);SBLOCK::B(J)
    • P(k);XB(G)::B(J)
  • Tries
    • Try
      • S(E);CHECK
      • Vars
        • B(g);P_SPINS(f),XS(E)::QAR1(C),XP(e)
      • Refutation
        • R(d);XS(E)
  • Actual
    • P(B);
    • Threat
      • QAB(C)
    • Vars
      • P(k);XB(G)::B(J)
      • B(g);N_GUARD,P_SPINS(f),S_CUTR(d)::QAR1(C),XP(e)
      • S(f);P_PINQ(C),P_SPINB(g),S_CUTR(d)::S(E)
      • S(f);P_PINQ(C),P_SPINB(g),S_CUTR(i)::S(E),XP(j)
      • S(f);N_GUARD,P_PINQ(C),P_SPINB(g),S_CUTQ(n)::R1(H),XP(k)
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