MESON Chess Problem Database

Problem Display
PID: 62843 (4R3/4n3/K1PN2N1/3k4/p5P1/Q7/2P5/8 w - - 0 1)

Abela de la Torre, Aurelio

The Chess Monthly (Hoffer), 1880

4R3/4n3/K1PN2N1/3k4/p5P1/Q7/2P5/8

#2

8 + 3

15148 Sadier Collection 2014

SOLUTION

  • SOUND
  • Tries
    • 1.Kb5?
      • 1...Kd4
        • 2.Qc5#
        • 2.Qd3#
      • 1...Sxc6
        • 2.Qc5#
      • 1...Sxg6
        • 2.Qc5#
        • 2.Qd3#
      • 1...Sf5
        • 2.Qc5#
      • 1...Sc8
        • 2.Qc5#
        • 2.Qd3#
      • 1...Sg8
        • 2.Qc5#
        • 2.Qd3#
      • 1...Ke6!
    • 1.Sb7?
      • 1...Kc4
        • 2.Qc5#
      • 1...Kd4
        • 2.Qd3#
      • 1...Ke4
        • 2.Qd3#
      • 1...Kxc6
        • 2.Qd6#
      • 1...Sxc6
        • 2.Qc5#
      • 1...Sxg6
        • 2.Qc5#
      • 1...Sf5
        • 2.Qc5#
      • 1...Sc8
        • 2.Qc5#
      • 1...Sg8
        • 2.Qc5#
      • 1...Ke6!
    • 1.Qc5+?
      • 1...Ke6
        • 2.Qe5#
      • 1...Kxc5!
  • Keys
    • 1.Se4!
      • 1...Kc4
        • 2.Qc5#
      • 1...Kd4
        • 2.Qd3#
      • 1...Kxe4
        • 2.Qd3#
      • 1...Kxc6
        • 2.Qd6#
      • 1...Ke6
        • 2.Qa2#
      • 1...Sxc6
        • 2.Qc5#
      • 1...Sxg6
        • 2.Qc5#
      • 1...Sf5
        • 2.Qc5#
      • 1...Sc8
        • 2.Qc5#
      • 1...Sg8
        • 2.Qc5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 10
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(D);S_FLIGHT
      • Vars
        • S(c);XP(E)::QAR1(B)
        • S(c);::QAR1(B)
      • Refutation
        • K(b);P_SPINS(c),S_FLIGHT
    • Try
      • S(F);
      • Vars
        • K(b);S_FLIGHT::QAR1(B)
        • K(b);P-FLIGHT::QAR1(B)
        • K(b);P_SPINS(c),S_FLIGHT::QAB1(B)
        • K(b);S_FLIGHT,XP(E)::QAR1(B)
        • S(c);XP(E)::QAR1(B)
        • S(c);XS(G)::QAR1(B)
        • S(c);::QAR1(B)
      • Refutation
        • K(b);P_SPINS(c),S_FLIGHT
    • Try
      • Q(B);CHECK
      • Vars
        • K(b);OGATE,P_SPINS(c),S_FLIGHT::QAR1(B)
      • Refutation
        • K(b);P-FLIGHT,XQ(B)
  • Actual
    • S(F);
    • Vars
      • K(b);S_FLIGHT::QAR1(B)
      • K(b);P-FLIGHT::QAR1(B)
      • K(b);P_SPINS(c),S_FLIGHT,XS(F)::QAB1(B)
      • K(b);S_FLIGHT,XP(E)::QAR1(B)
      • K(b);P_SPINS(c),S_FLIGHT::QAB(B)
      • S(c);XP(E)::QAR1(B)
      • S(c);XS(G)::QAR1(B)
      • S(c);::QAR1(B)
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