MESON Chess Problem Database

Problem Display
PID: 60130 (2b4B/4R3/r3n3/p2p2b1/3rkNQn/3R1pP1/2P5/2K5 w - - 0 1)

Eddy, Edwin John

2nd Prize, Bristol Times and Mirror, 1928/I

2b4B/4R3/r3n3/p2p2b1/3rkNQn/3R1pP1/2P5/2K5

#2

8 + 10

1189 The Tablet 1928

SOLUTION

  • SOUND
  • Sets
    • 1...Bxf4+
      • 2.Qxf4#
    • 1...Bf6
      • 2.Sg6#
    • 1...Bxe7
      • 2.Sxe6#
    • 1...Sf5
      • 2.Qxf3#
  • Tries
    • 1.Qxf3+?
      • 1...Kf5
        • 2.g4#
      • 1...Sxf3!
    • 1.Qxg5?
      • threat
        • 2.Qe5#
      • 1...Sg6
        • 2.Qxg6#
      • 1...Sf5!
  • Keys
    • 1.Kd2!
      • threat
        • 2.Rxd4#
      • 1...Rxd3+
        • 2.cxd3#
      • 1...Bxf4+
        • 2.Qxf4#
      • 1...Bxe7
        • 2.Sxe6#
      • 1...Bf6
        • 2.Sg6#
      • 1...Ra4
        • 2.Re3#
      • 1...Rb4
        • 2.Re3#
      • 1...Rc4
        • 2.Re3#
      • 1...Sf5
        • 2.Qxf3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • B(g);CHECK,OGATE,P_SPINB(g),XS(E)::QAR1(F),XB(g)
    • B(g);N_PINS(E)::QAR(F)+S(E)
    • B(g);N_PINS(E),N_SPINS(i),XR(G)::QAR(F)+S(E),XS(i)
    • S(d);N_GUARD,SBLOCK::QAB1(F),XP(a)
  • Tries
    • Try
      • Q(F);CHECK,XP(a)
      • Vars
        • K(c);N_SPINS(i),S_FLIGHT::P(D)
      • Refutation
        • S(d);XQ(F)
    • Try
      • Q(F);N_SPINS(E),XB(g)
      • Threat
        • QAR1(F)
      • Vars
        • S(d);N_GUARD::QAB(F),XS(d)
      • Refutation
        • S(d);
  • Actual
    • K(A);P_SPINR(C),S_FLIGHT
    • Threat
      • R1(C),XR(b)
    • Vars
      • R(b);CHECK,OGATE,XR(C)::P(B),XR(b)
      • B(g);CHECK,OGATE,P_SPINB(g),XS(E)::QAR1(F),XB(g)
      • B(g);N_PINS(E),N_SPINS(i),XR(G)::QAR(F)+S(E),XS(i)
      • B(g);N_PINS(E)::QAR(F)+S(E)
      • R(b);N_PINR(C)::R1(C)
      • S(d);N_GUARD,SBLOCK::QAB1(F),XP(a)
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