MESON Chess Problem Database

Problem Display
PID: 206482 (8/1p5p/3PKPR1/2pp2Bp/Q3n1kP/3p2P1/3rrpP1/3B1N2 w - - 0 1)

ten Cate, Pieter

2nd HM., Midweek Sports Referee, 1925

8/1p5p/3PKPR1/2pp2Bp/Q3n1kP/3p2P1/3rrpP1/3B1N2

#2

11 + 11

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...h6
      • 2.Bxd2#
      • 2.Be3#
      • 2.Bxh6#
  • Tries
    • 1.Kxd5?
      • threat
        • 2.Qd7#
        • 2.Qxe4#
      • 1...Rxd1
        • 2.Qd7#
      • 1...c4
        • 2.Qd7#
      • 1...b5
        • 2.Qxe4#
      • 1...Kf5!
    • 1.Bf4+?
      • 1...hxg6
        • 2.Sh2#
        • 2.Se3#
      • 1...Sg5+!
  • Keys
    • 1.Qd7!
      • threat
        • 2.Kxd5#
        • 2.Ke5#
        • 2.Ke7#
        • 2.Kf7#
      • 1...Sc3+
        • 2.Kf7#
      • 1...Sxg3+
        • 2.Se3#
      • 1...Sxg5+
        • 2.Kxd5#
      • 1...Sxd6+
        • 2.Kxd6#
      • 1...Sxf6+
        • 2.Kxf6#
      • 1...d4
        • 2.Kd5#
        • 2.Ke5#
        • 2.Ke7#
        • 2.Kf7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(I);S_FLIGHT,XP(h)
      • Threat
        • DUALS(2)
      • Vars
        • R(a);N_SPINR(b),XB(A)::QAB(E)
        • P(g);N_SPINS(e)::QAB(E)
        • P(j);::QAR2(E),XS(e)
      • Refutation
        • K(f);N_SPINR(b),N_SPINS(e),S_FLIGHT
    • Try
      • B(G);CHECK,N_PINS(e)
      • Refutation
        • S(e);CHECK,P_SPINS(e)
  • Actual
    • Q(E);N_PINS(e)
    • Threat
      • DUALS(4)
    • Vars
      • S(e);CHECK::QAB(E)+K(I)
      • S(e);CHECK,SBLOCK,XP(D)::S(B)
      • S(e);CHECK,P_SPINS(e),XB(G)::QAB(E)+K(I),XP(h)
      • S(e);CHECK,XP(H)::QAB(E)+K(I),XS(e)
      • S(e);CHECK,XP(J)::QAB(E)+K(I),XS(e)
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Developed and maintained by Brian Stephenson.
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