MESON Chess Problem Database

Problem Display
PID: 158899 (8/8/1Q2R3/4n3/2Ppk3/8/4N1K1/3B2B1 w - - 0 1)

Glynn, James Joseph

British Chess Magazine 13. Ty., 1906-1907

8/8/1Q2R3/4n3/2Ppk3/8/4N1K1/3B2B1

#2

7 + 3

SOLUTION

  • SOUND
  • Sets
    • 1...Kd3
      • 2.Qxd4#
  • Tries
    • 1.Sg3+?
      • 1...Kd3
        • 2.Qxd4#
      • 1...Kf4!
    • 1.Bh2?
      • 1...Kd3
        • 2.Qxd4#
      • 1...Ke3
        • 2.Qxd4#
      • 1...d3
        • 2.Rxe5#
      • 1...Kf5!
    • 1.Rxe5+?
      • 1...Kd3
        • 2.Qxd4#
      • 1...Kxe5!
    • 1.Re7?
      • threat
        • 2.Qg6#
      • 1...Kd3
        • 2.Qxd4#
      • 1...Kf5!
    • 1.Re8?
      • threat
        • 2.Qg6#
      • 1...Kd3
        • 2.Qxd4#
      • 1...Kf5!
    • 1.Qc5?
      • 1...Kd3
        • 2.Qxd4#
      • 1...d3
        • 2.Rxe5#
        • 2.Qxe5#
      • 1...Kf5!
    • 1.Qa7?
      • threat
        • 2.Qh7#
      • 1...Kd3
        • 2.Qxd4#
      • 1...Kf5!
    • 1.Qb2?
      • 1...Kd3
        • 2.Qxd4#
        • 2.Qc2#
      • 1...d3
        • 2.Rxe5#
        • 2.Qxe5#
      • 1...Kf5!
    • 1.Qd6?
      • 1...Kd3
        • 2.Qxd4#
      • 1...d3
        • 2.Rxe5#
        • 2.Qxe5#
      • 1...Kf5!
  • Keys
    • 1.Be3!
      • 1...Kd3
        • 2.Qxd4#
      • 1...Kxe3
        • 2.Qxd4#
      • 1...Kf5
        • 2.Sg3#
      • 1...dxe3
        • 2.Bc2#
        • 2.Qb1#
      • 1...d3
        • 2.Sg3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • K(b);N_SPINS(c),S_FLIGHT::QAR1(F),XP(a)
  • Tries
    • Try
      • S(C);CHECK
      • Vars
        • K(b);N_SPINS(c),S_FLIGHT::QAR1(F),XP(a)
      • Refutation
        • K(b);N_SPINS(c),P-FLIGHT
    • Try
      • B(B);
      • Vars
        • K(b);N_SPINS(c),S_FLIGHT::QAR1(F),XP(a)
        • K(b);P-FLIGHT,P_SPINP(a)::QAB1(F),XP(a)
        • P(a);SBLOCK::R1(G),XS(c)
      • Refutation
        • K(b);N_SPINS(c),S_FLIGHT
    • Try
      • R(G);CHECK,XS(c)
      • Vars
        • K(b);S_FLIGHT::QAR1(F),XP(a)
      • Refutation
        • K(b);P-FLIGHT,XR(G)
    • Try
      • R(G);
      • Threat
        • QAB(F)
      • Vars
        • K(b);N_SPINS(c),S_FLIGHT::QAR1(F),XP(a)
      • Refutation
        • K(b);N_SPINS(c),S_FLIGHT
    • Try
      • R(G);
      • Threat
        • QAB(F)
      • Vars
        • K(b);N_SPINS(c),S_FLIGHT::QAR1(F),XP(a)
      • Refutation
        • K(b);N_SPINS(c),S_FLIGHT
    • Try
      • Q(F);
      • Vars
        • K(b);N_SPINS(c),S_FLIGHT::QAR1(F),XP(a)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(F);
      • Threat
        • QAB(F)
      • Vars
        • K(b);N_SPINS(c),S_FLIGHT::QAR1(F),XP(a)
      • Refutation
        • K(b);N_SPINS(c),S_FLIGHT
    • Try
      • Q(F);
      • Refutation
        • K(b);N_SPINS(c),S_FLIGHT
    • Try
      • Q(F);
      • Vars
        • K(b);N_SPINS(c),P_SPINP(a),S_FLIGHT::QAR1(F),XP(a)
      • Refutation
        • K(b);N_SPINS(c),S_FLIGHT
  • Actual
    • B(B);
    • Vars
      • K(b);N_SPINS(c),S_FLIGHT::QAR1(F),XP(a)
      • K(b);P-FLIGHT,P_SPINP(a),XB(B)::QAB1(F),XP(a)
      • K(b);N_SPINS(c),S_FLIGHT::S(C)
      • P(a);SBLOCK::S(C)
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