MESON Chess Problem Database

Problem Display
PID: 184766 (Q2bB3/1N2p3/2r1p2q/1kB1R3/5pr1/n1KP4/N6p/2R4b w - - 0 1)

Daniel, Arthur William

2nd Prize, Western Daily Mercury, 1908

Q2bB3/1N2p3/2r1p2q/1kB1R3/5pr1/n1KP4/N6p/2R4b

#2

9 + 11

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Ba5+
      • 2.Qxa5#
    • 1...Sb1+
      • 2.Rxb1#
    • 1...Sc4
      • 2.dxc4#
  • Tries
    • 1.Kb2?
      • threat
        • 2.Sc3#
      • 1...Rg2+
        • 2.Bf2#
      • 1...Sc4+
        • 2.dxc4#
      • 1...Ba5
        • 2.Qxa5#
      • 1...Sb1!
    • 1.Kb3?
      • threat
        • 2.Sc3#
        • 2.Qa4#
      • 1...Ba5
        • 2.Qxa5#
      • 1...Sb1
        • 2.Qa4#
      • 1...f3
        • 2.Sc3#
        • 2.Bg1#
        • 2.Bf2#
        • 2.Be3#
        • 2.Bd4#
      • 1...Bd5+!
    • 1.Sb4?
      • threat
        • 2.Qa6#
      • 1...Ba5
        • 2.Qxa5#
      • 1...Sb1+!
  • Keys
    • 1.Kd2!
      • threat
        • 2.Sc3#
      • 1...Rg2+
        • 2.Bf2#
      • 1...Ba5+
        • 2.Qxa5#
      • 1...Sb1+
        • 2.Rxb1#
      • 1...Sc4+
        • 2.dxc4#
      • 1...f3+
        • 2.Be3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • B(k);CHECK,N_GUARD::QAR1(H),XB(k)
    • S(c);CHECK,N_GUARD::R(A),XS(c)
    • S(c);N_PINB(E),OGATE::P(D),XS(c)
  • Tries
    • Try
      • K(C);N_SPINB(E),S_FLIGHT
      • Threat
        • S(B)
      • Vars
        • R(e);CHECK,S_CUTB(a)::R(F)+B(E)
        • S(c);CHECK,OGATE::P(D),XS(c)
        • B(k);N_GUARD::QAR1(H),XB(k)
      • Refutation
        • S(c);
    • Try
      • K(C);N_SPINB(E),P-FLIGHT
      • Threat
        • DUALS(2)
      • Vars
        • B(k);N_GUARD::QAR1(H),XB(k)
        • S(c);::QAB1(H)
      • Refutation
        • B(a);CHECK
    • Try
      • S(B);
      • Threat
        • QAB1(H)
      • Vars
        • B(k);N_GUARD,P_PINS(B)::QAR1(H),XB(k)
      • Refutation
        • S(c);CHECK
  • Actual
    • K(C);N_SPINB(E),S_FLIGHT
    • Threat
      • S(B)
    • Vars
      • R(e);CHECK,S_CUTB(a)::R(F)+B(E)
      • B(k);CHECK,N_GUARD::QAR1(H),XB(k)
      • S(c);CHECK,N_GUARD::R(A),XS(c)
      • S(c);CHECK,OGATE::P(D),XS(c)
      • P(d);CHECK,S_CUTB(a)::R(F)+B(E)
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Developed and maintained by Brian Stephenson.
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