MESON Chess Problem Database

Problem Display
PID: 37155 (3RR3/1Kp5/3NN3/1p3B2/1r3Pp1/1Pr1kP2/2p4Q/B1b5 w - - 0 1)

Visserman, Eeltje

1st Prize, The Problemist, 1964

3RR3/1Kp5/3NN3/1p3B2/1r3Pp1/1Pr1kP2/2p4Q/B1b5

#2

11 + 8

3747 FIDE Album (1962-1964) 1968
721 Variantim 1991

SOLUTION

  • SOUND
  • Sets
    • 1...Kxf3
      • 2.Sg5#
    • 1...Rcxb3
      • 2.Sd4#
    • 1...Rd3
      • 2.Sd4#
    • 1...Rcc4
      • 2.Sd4#
    • 1...Rc6
      • 2.Sd4#
  • Tries
    • 1.Sc4+?
      • 1...Kxf3
        • 2.Sd4#
        • 2.Sg5#
      • 1...Rcxc4
        • 2.Sd4#
        • 2.Rd3#
      • 1...Rbxc4
        • 2.Sd4#
      • 1...bxc4+!
  • Keys
    • 1.Bd3!
      • threat
        • 2.Qe2#
      • 1...Kxd3
        • 2.Sc4#
      • 1...Kxf3
        • 2.Sg5#
      • 1...Rxd3
        • 2.Sd4#
      • 1...gxf3
        • 2.Sf5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 3
  • Sets
    • K(d);P-FLIGHT,XP(D)::S(H)
    • R(c);XP(C)::R(K)+S(H)
    • R(c);::R(K)+S(H)
  • Tries
    • Try
      • S(G);CHECK
      • Vars
        • R(e);XS(G)::R(K)+S(H)
      • Refutation
        • P(g);CHECK,XS(G)
  • Actual
    • B(F);
    • Threat
      • QAR1(B)
    • Vars
      • K(d);P-FLIGHT,XB(F)::R(J)+S(G)
      • K(d);P-FLIGHT,XP(D)::S(H)
      • R(c);SBLOCK,XB(F)::R(K)+S(H)
      • P(f);SBLOCK,XP(D)::S(G)
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