MESON Chess Problem Database

Problem Display
PID: 103733 (8/1KbpP3/2p2R2/2kPn3/2n2p2/2Q2p2/1PRBN3/8 w - - 0 1)

Rowland, Thomas B

Leeds Mercury, 1881

8/1KbpP3/2p2R2/2kPn3/2n2p2/2Q2p2/1PRBN3/8

#2

9 + 8

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Kb5
      • 2.Qb4#
    • 1...Kxd5
      • 2.Qd4#
    • 1...Ba5
      • 2.Qxa5#
    • 1...Bd6
      • 2.Qa5#
    • 1...Bb8
      • 2.Qa5#
    • 1...Sd3
      • 2.Qxc4#
    • 1...Sg4
      • 2.Qxc4#
    • 1...Sg6
      • 2.Qxc4#
    • 1...Sf7
      • 2.Qxc4#
    • 1...cxd5
      • 2.Qb4#
  • Tries
    • 1.Ka6?
      • threat
        • 2.Qd4#
      • 1...Kxd5
        • 2.Qd4#
      • 1...fxe2!
    • 1.Qa3+?
      • 1...Kb5
        • 2.Sc3#
        • 2.Sd4#
        • 2.Qb4#
      • 1...Kxd5!
    • 1.b4+?
      • 1...Kxd5
        • 2.Qd4#
      • 1...Kb5!
  • Keys
    • 1.d6!
      • threat
        • 2.Qxe5#
      • 1...Kb5
        • 2.Qb4#
      • 1...Kd5
        • 2.Qd4#
      • 1...Bxd6
        • 2.Qa5#
      • 1...Sd3
        • 2.Qxc4#
      • 1...Sg4
        • 2.Qxc4#
      • 1...Sg6
        • 2.Qxc4#
      • 1...Sf7
        • 2.Qxc4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 3
  • Sets
    • K(d);N_SPINS(b),P-FLIGHT::QAR1(E)
    • K(d);N_SPINS(b),P-FLIGHT,XP(F)::QAR1(E)
    • B(g);N_GUARD::QAR2(E),XB(g)
    • B(g);N_GUARD::QAR2(E)
    • S(e);N_GUARD::QAR1(E),XS(b)
    • P(f);SBLOCK,XP(F)::QAB1(E)
  • Tries
    • Try
      • K(H);S_FLIGHT
      • Threat
        • QAB1(E)
      • Vars
        • K(d);N_SPINS(b),P-FLIGHT,XP(F)::QAR1(E)
      • Refutation
        • P(a);XS(D)
    • Try
      • Q(E);CHECK
      • Refutation
        • K(d);N_SPINS(b),P-FLIGHT,XP(F)
    • Try
      • P(A);CHECK
      • Vars
        • K(d);N_SPINS(b),P-FLIGHT,XP(F)::QAR1(E)
      • Refutation
        • K(d);N_SPINS(b),P-FLIGHT
  • Actual
    • P(F);
    • Threat
      • QAR2(E),XS(e)
    • Vars
      • K(d);N_SPINS(b),P-FLIGHT::QAR1(E)
      • B(g);N_GUARD,XP(F)::QAR2(E)
      • S(e);N_GUARD::QAR1(E),XS(b)
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