MESON Chess Problem Database

Problem Display
PID: 2408 (q1R4B/8/2b3Q1/3kN2p/BP6/2n1p3/2R5/2n4K w - - 0 1)

Hopwood, Thomas Henry

Source?, 0000

q1R4B/8/2b3Q1/3kN2p/BP6/2n1p3/2R5/2n4K

#2

8 + 7

1693 English Chess Problems 1876

SOLUTION

  • SOUND
  • Tries
    • 1.Sg4?
      • threat
        • 2.Sxe3#
      • 1...Kc4+
        • 2.Qe4#
      • 1...Qa7
        • 2.Qxc6#
      • 1...Sd1
        • 2.Rc5#
      • 1...e2
        • 2.Se3#
      • 1...hxg4!
    • 1.Bb3+?
      • 1...Kd4+
        • 2.Sf3#
        • 2.Sxc6#
      • 1...Sxb3!
    • 1.Rd2+?
      • 1...Sd3
        • 2.Rxd3#
      • 1...exd2!
    • 1.Rd8+?
      • 1...Bd7
        • 2.Rxd7#
      • 1...Qxd8!
  • Keys
    • 1.Sc4!
      • threat
        • 2.Sxe3#
        • 2.Sb6#
      • 1...Kxc4+
        • 2.Qe4#
      • 1...Sxa4
        • 2.Sxe3#
        • 2.Qf5#
      • 1...Qb7
        • 2.Sxe3#
      • 1...Qa5
        • 2.Sxe3#
        • 2.Qxc6#
      • 1...Qa6
        • 2.Sxe3#
      • 1...Qa7
        • 2.Qxc6#
      • 1...Qb8
        • 2.Sxe3#
        • 2.Qxc6#
      • 1...Sd1
        • 2.Sb6#
        • 2.Qf5#
      • 1...e2
        • 2.Se3#
        • 2.Sb6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(E);
      • Threat
        • S(E),XP(c)
      • Vars
        • K(d);CHECK,P_SPINB(f),P_SPINS(b),S_FLIGHT::QAR2(F)
        • Q(g);N_GUARD::QAB1(F),XB(f)
        • S(b);OGATE::R1(B)
        • P(c);::S(E)
      • Refutation
        • P(e);XS(E)
    • Try
      • B(C);CHECK
      • Refutation
        • S(a);XB(C)
    • Try
      • R(B);CHECK
      • Vars
        • S(a);N_GUARD,P_SPINS(a)::R(B),XS(a)
      • Refutation
        • P(c);XR(B)
    • Try
      • R(G);CHECK
      • Vars
        • B(f);N_GUARD,P_SPINB(f)::R(G),XB(f)
      • Refutation
        • Q(g);XR(G)
  • Actual
    • S(E);
    • Threat
      • DUALS(2)
    • Vars
      • K(d);CHECK,P_SPINB(f),P_SPINS(b),S_FLIGHT,XS(E)::QAR2(F)
      • Q(g);::S(E),XP(c)
      • Q(g);N_GUARD::QAB1(F),XB(f)
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