MESON Chess Problem Database

Problem Display
PID: 11048 (3N4/5p1Q/p4K2/Rb6/1P1k3P/3pN3/3R4/8 w - - 0 1)

Fillery, William Edmund Frank

Chess, 1936

3N4/5p1Q/p4K2/Rb6/1P1k3P/3pN3/3R4/8

#2

8 + 5

SOLUTION

  • SOUND
  • Sets
    • 1...Ba4
      • 2.Rxd3#
      • 2.Qxd3#
    • 1...Bc6
      • 2.Rxd3#
      • 2.Qxd3#
    • 1...Bd7
      • 2.Rxd3#
      • 2.Qxd3#
    • 1...Be8
      • 2.Rxd3#
      • 2.Qxd3#
  • Tries
    • 1.Sd1?
      • 1...Kd5
        • 2.Qxd3#
      • 1...Ba4
        • 2.Qxd3#
      • 1...Bc4
        • 2.Sc6#
      • 1...Bc6
        • 2.Qxd3#
      • 1...Bd7
        • 2.Qxd3#
      • 1...Be8
        • 2.Qxd3#
      • 1...Kc4!
    • 1.Sc2+?
      • 1...Kc4
        • 2.Qxd3#
      • 1...Kd5
        • 2.Qxd3#
      • 1...Kc3!
    • 1.Rxb5?
      • threat
        • 2.Rxd3#
        • 2.Qxd3#
      • 1...Kc3
        • 2.Qxd3#
      • 1...Kxe3!
  • Keys
    • 1.Sd5!
      • 1...Kc4
        • 2.Qxd3#
      • 1...Kxd5
        • 2.Qxd3#
      • 1...Ba4
        • 2.Qxd3#
      • 1...Bc4
        • 2.Sc6#
      • 1...Bc6
        • 2.Qxd3#
      • 1...Bd7
        • 2.Qxd3#
      • 1...Be8
        • 2.Qxd3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(B);
      • Vars
        • K(b);P-FLIGHT,P_SPINB(c)::QAR2(G),XP(a)
        • B(c);N_GUARD::QAR1(G),XP(a)
        • B(c);N_GUARD,SBLOCK::S(H)
      • Refutation
        • K(b);N_SPINP(a),P-FLIGHT
    • Try
      • S(B);CHECK
      • Vars
        • K(b);N_SPINP(a),P-FLIGHT::QAB1(G),XP(a)
        • K(b);P-FLIGHT,P_SPINB(c)::QAR2(G),XP(a)
      • Refutation
        • K(b);N_SPINP(a),S_FLIGHT
    • Try
      • R(E);XB(c)
      • Threat
        • DUALS(2)
      • Vars
        • K(b);N_SPINP(a),S_FLIGHT::QAR1(G),XP(a)
      • Refutation
        • K(b);N_SPINP(a),S_FLIGHT,XS(B)
  • Actual
    • S(B);
    • Vars
      • K(b);N_SPINP(a),P-FLIGHT::QAB1(G),XP(a)
      • K(b);P-FLIGHT,P_SPINB(c),XS(B)::QAR2(G),XP(a)
      • B(c);N_GUARD::QAR1(G),XP(a)
      • B(c);N_GUARD,SBLOCK::S(H)
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