MESON Chess Problem Database

Problem Display
PID: 43909 (3R4/2R3B1/4B3/1Kn2p2/PQ3P2/2N5/1pkpP3/2N5 w - - 0 1)

Taylor, Jesse Paul

Freie Presse, 1879

3R4/2R3B1/4B3/1Kn2p2/PQ3P2/2N5/1pkpP3/2N5

#2

11 + 5

1829 The Theory of Pawn Promotion 1912
20 De Problemist 1931
3979 Systematic Terminology 1984
285 The Chess Player's Chronicle (Staunton) ????

SOLUTION

  • SOUND
  • Sets
    • 1...bxc1S
      • 2.Qb1#
    • 1...bxc1B
      • 2.Qb1#
    • 1...b1Q
      • 2.Qxb1#
    • 1...b1S
      • 2.Qxb1#
    • 1...b1B
      • 2.Qxb1#
    • 1...b1R
      • 2.Qxb1#
  • Tries
    • 1.Rxd2+?
      • 1...Kxc1
        • 2.Qxb2#
      • 1...Kxd2!
    • 1.Qb3+?
      • 1...Kxc1
        • 2.Qd1#
      • 1...Sxb3!
  • Keys
    • 1.S3a2!
      • 1...Kb1
        • 2.Qxb2#
      • 1...Kd1
        • 2.Qxd2#
      • 1...bxc1Q
        • 2.Qb3#
      • 1...bxc1S
        • 2.Rxd2#
      • 1...bxc1B
        • 2.Qb3#
      • 1...bxc1R
        • 2.Rxd2#
        • 2.Qb3#
      • 1...dxc1Q
        • 2.Bxf5#
      • 1...dxc1S
        • 2.Qxb2#
      • 1...dxc1B
        • 2.Bxf5#
      • 1...dxc1R
        • 2.Bxf5#
        • 2.Qxb2#
      • 1...b1Q
        • 2.Rxd2#
      • 1...b1S
        • 2.Bb3#
        • 2.Qb3#
      • 1...b1B
        • 2.Bb3#
        • 2.Rxd2#
        • 2.Qxd2#
        • 2.Qb3#
      • 1...b1R
        • 2.Rxd2#
      • 1...d1Q
        • 2.Qxb2#
      • 1...d1S
        • 2.Bxf5#
      • 1...d1B
        • 2.Bxf5#
        • 2.Qxb2#
      • 1...d1R
        • 2.Qxb2#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 4
    • ADDED MATES = 9
    • REMOVED MATES = 2
  • Sets
    • P(a);OGATE,XS(A)::QAB1(E)
    • P(a);OGATE,P_PINQ(E)::QAB1(E),XQ(a)
    • P(a);OGATE::QAB1(E),XS(a)
    • P(a);OGATE::QAB1(E),XB(a)
    • P(a);OGATE,P_PINQ(E)::QAB1(E),XR(a)
  • Tries
    • Try
      • R(K);CHECK,XP(c)
      • Vars
        • K(b);P-FLIGHT,XS(A)::QAB1(E),XP(a)
      • Refutation
        • K(b);P-FLIGHT,XR(K)
    • Try
      • Q(E);CHECK
      • Vars
        • K(b);OGATE,P-FLIGHT,XS(A)::QAR1(E)
      • Refutation
        • S(d);XQ(E)
  • Actual
    • S(C);P_PINS(d)
    • Vars
      • K(b);N_SPINS(d),P_SPINP(a),S_FLIGHT::QAR1(E),XP(a)
      • K(b);N_SPINS(d),P_SPINP(c),S_FLIGHT::QAR1(E),XP(c)
      • P(a);XS(A)::QAB1(E)
      • P(a);XS(A)::R1(K),XP(c)
      • P(c);XS(A)::B(H),XP(e)
      • P(c);XS(A)::QAR1(E),XP(a)
      • P(a);P_PINQ(E)::R1(K),XP(c)
      • P(c);::QAR1(E),XP(a)
      • P(c);::B(H),XP(e)
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