MESON Chess Problem Database

Problem Display
PID: 223268 (6B1/1Q1p4/p1NPrP2/P3Np2/1B2kp2/2p5/2P2P2/4K3 w - - 0 1)

Taylor, Jesse Paul

English Mechanic and World of Science, 1886

(First published on Fri Feb 26 1886)

6B1/1Q1p4/p1NPrP2/P3Np2/1B2kp2/2p5/2P2P2/4K3

#2

11 + 7

6490 yacpdb 2020
15239 Valois Notebooks 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Se7+?
      • 1...Kd4
        • 2.Qd5#
      • 1...Kxe5!
    • 1.Qxa6?
      • threat
        • 2.Qd3#
        • 2.Qc4#
      • 1...Kd5
        • 2.Qd3#
        • 2.Qc4#
      • 1...Rxe5
        • 2.Qe2#
        • 2.Qd3#
      • 1...Rxd6
        • 2.Qe2#
      • 1...f3
        • 2.Qc4#
      • 1...dxc6!
    • 1.f3+?
      • 1...Ke3
        • 2.Bc5#
        • 2.Qb6#
        • 2.Qa7#
      • 1...Kd5!
  • Keys
    • 1.Sf3!
      • threat
        • 2.Scd4#
        • 2.Sce5#
        • 2.Sa7#
        • 2.Se7#
        • 2.Sb8#
        • 2.Sd8#
      • 1...Kxf3+
        • 2.Se5#
      • 1...Kd5+
        • 2.Sce5#
      • 1...Rxd6
        • 2.Sg5#
      • 1...dxc6
        • 2.Qxc6#
      • 1...Re5
        • 2.Sg5#
        • 2.Scxe5#
      • 1...Re7
        • 2.Sg5#
        • 2.Scd4#
        • 2.Sce5#
        • 2.Sa7#
        • 2.Sxe7#
        • 2.Sb8#
        • 2.Sd8#

This is a version

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(G);CHECK
      • Vars
        • K(b);P-FLIGHT,P_PINS(F)::QAR1(J)
      • Refutation
        • K(b);P-FLIGHT,XS(F)
    • Try
      • Q(J);XP(e)
      • Threat
        • DUALS(2)
      • Vars
        • R(f);XP(H)::QAR2(J)
        • P(c);::QAR2(J)
      • Refutation
        • P(g);XS(G)
    • Try
      • P(C);CHECK
      • Refutation
        • K(b);P_PINS(F),P_SPINR(f),S_FLIGHT
  • Actual
    • S(F);
    • Threat
      • DUALS(6)
    • Vars
      • K(b);CHECK,S_FLIGHT,XS(F)::QAB(J)+S(G),DCHECK
      • K(b);CHECK,P_SPINR(f),S_FLIGHT::QAB(J)+S(G)
      • R(f);XP(H)::S(F)
      • P(g);OGATE,P_SPINP(g),XS(G)::QAB(J),XP(g)
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