MESON Chess Problem Database

Problem Display
PID: 201617 (8/8/5p2/5B2/3kP3/1P1N1r2/1K3P1B/3R4 w - - 0 1)

ten Cate, Pieter

Rostra Gymnasiorum, 1922

8/8/5p2/5B2/3kP3/1P1N1r2/1K3P1B/3R4

#2

8 + 3

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Tries
    • 1.Sf4+?
      • 1...Ke5
        • 2.Sg6#
        • 2.Rd5#
      • 1...Rd3
        • 2.Se6#
      • 1...Kc5!
    • 1.Sc5+?
      • 1...Rd3
        • 2.Se6#
      • 1...Kxc5!
  • Keys
    • 1.Bg1!
      • 1...Rxf2+
        • 2.Bxf2#
      • 1...Rxd3
        • 2.f4#
      • 1...Rxf5
        • 2.f3#
      • 1...Re3
        • 2.fxe3#
      • 1...Rg3
        • 2.fxg3#
      • 1...Rh3
        • 2.f3#
      • 1...Rf4
        • 2.f3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(F);CHECK
      • Vars
        • R(a);P_SPINR(a)::S(F)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • S(F);CHECK
      • Vars
        • R(a);P_SPINR(a)::S(F)
      • Refutation
        • K(b);S_FLIGHT,XS(F)
  • Actual
    • B(D);
    • Vars
      • R(a);CHECK,OGATE,P_SPINR(a),XP(C)::B(D),XR(a)
      • R(a);OGATE,P_SPINR(a),XS(F)::B(D)+P(C)
      • R(a);OGATE,XB(H)::B(D)+P(C)
      • R(a);OGATE::P(C),XR(a)
      • R(a);OGATE::B(D)+P(C),XR(a)
      • R(a);OGATE::B(D)+P(C)
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