MESON Chess Problem Database

Problem Display
PID: 55159 (3Q1r2/2p5/2P1P2p/7P/5k1N/B7/2PR1N1K/8 w - - 0 1)

Mosley, GW

Illustrated London News, 1881

3Q1r2/2p5/2P1P2p/7P/5k1N/B7/2PR1N1K/8

#2

10 + 4

4760 200 Classic Chess Puzzles 1993

SOLUTION

  • SOUND
  • Sets
    • 1...Ke3
      • 2.Qd4#
  • Tries
    • 1.Sh3+?
      • 1...Ke3
        • 2.Qd3#
        • 2.Qd4#
      • 1...Ke4
        • 2.Re2#
        • 2.Qd4#
      • 1...Ke5
        • 2.Re2#
      • 1...Kg4!
    • 1.Sg6+?
      • 1...Ke3
        • 2.Qd3#
      • 1...Kf3
        • 2.Qd3#
      • 1...Kf5!
    • 1.Bxf8?
      • 1...Ke3
        • 2.Bxh6#
        • 2.Qd4#
      • 1...Ke5!
    • 1.Re2?
      • threat
        • 2.Bc1#
        • 2.Re4#
        • 2.Qd2#
      • 1...Rf6
        • 2.Bc1#
        • 2.Qxf6#
        • 2.Qd2#
      • 1...Rxd8!
    • 1.Rd4+?
      • 1...Ke5
        • 2.Re4#
      • 1...Ke3!
    • 1.Qf6+?
      • 1...Ke3
        • 2.Qd4#
      • 1...Rxf6!
    • 1.Qxf8+?
      • 1...Ke3
        • 2.Qxh6#
      • 1...Ke5
        • 2.Qf5#
      • 1...Kg5!
  • Keys
    • 1.Bc1!
      • threat
        • 2.Re2#
        • 2.Rd5#
      • 1...Ke3
        • 2.Qd4#
      • 1...Ke5
        • 2.Re2#
      • 1...Rxd8
        • 2.Rd5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(a);S_FLIGHT::QAB1(J)
  • Tries
    • Try
      • S(C);CHECK
      • Vars
        • K(a);S_FLIGHT::R(B)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • S(F);CHECK
      • Vars
        • K(a);S_FLIGHT::QAR1(J)
        • K(a);P-FLIGHT::QAR2(J)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • B(E);XR(d)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(B);
      • Threat
        • DUALS(3)
      • Refutation
        • R(d);XQ(J)
    • Try
      • R(B);CHECK
      • Vars
        • K(a);S_FLIGHT::R1(B)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(J);CHECK
      • Vars
        • K(a);S_FLIGHT::QAB1(J)
      • Refutation
        • R(d);XQ(J)
    • Try
      • Q(J);CHECK,XR(d)
      • Vars
        • K(a);S_FLIGHT::QAB(J),XP(b)
        • K(a);S_FLIGHT::QAR1(J)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • B(E);
    • Threat
      • DUALS(2)
    • Vars
      • K(a);S_FLIGHT::QAB1(J)
      • K(a);S_FLIGHT::R(B)
      • R(d);XQ(J)::B(E)+R(B)
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