MESON Chess Problem Database

Problem Display
PID: 202387 (R7/4p3/1N2k2K/1P2P3/1P1p4/3N4/5P2/4RB2 w - - 0 1)

Somma, Francesco

L'Italia Scacchistica, 1923

R7/4p3/1N2k2K/1P2P3/1P1p4/3N4/5P2/4RB2

#2

10 + 3

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Kf5
      • 2.Bh3#
  • Tries
    • 1.Kh5?
      • 1...Kf5
        • 2.Bh3#
      • 1...Kf7!
    • 1.Sd7?
      • 1...Kd5
        • 2.Sf4#
      • 1...Kf5
        • 2.Bh3#
      • 1...Kf7
        • 2.e6#
      • 1...Kxd7!
    • 1.Bg2?
      • 1...Kf5
        • 2.Bh3#
      • 1...Kf7!
    • 1.Re2?
      • 1...Kf5
        • 2.Bh3#
      • 1...Kf7!
    • 1.Raa1?
      • 1...Kf5
        • 2.Bh3#
      • 1...Kf7!
    • 1.Ra2?
      • 1...Kf5
        • 2.Bh3#
      • 1...Kf7!
    • 1.Ra3?
      • 1...Kf5
        • 2.Bh3#
      • 1...Kf7!
    • 1.Ra4?
      • 1...Kf5
        • 2.Bh3#
      • 1...Kf7!
    • 1.Ra5?
      • 1...Kf5
        • 2.Bh3#
      • 1...Kf7!
    • 1.Ra6?
      • 1...Kf5
        • 2.Bh3#
      • 1...Kf7!
    • 1.Ra7?
      • 1...Kf5
        • 2.Bh3#
      • 1...Kf7!
    • 1.Rb8?
      • 1...Kf5
        • 2.Bh3#
      • 1...Kf7!
    • 1.Rc8?
      • 1...Kf5
        • 2.Bh3#
      • 1...Kf7!
    • 1.Rd8?
      • 1...Kf5
        • 2.Bh3#
      • 1...Kf7!
    • 1.Re8?
      • 1...Kf5
        • 2.Bh3#
      • 1...Kf7!
    • 1.Rg8?
      • 1...Kf5
        • 2.Bh3#
      • 1...Kf7!
    • 1.Rh8?
      • 1...Kf5
        • 2.Bh3#
      • 1...Kf7!
    • 1.f3?
      • 1...Kf5
        • 2.Bh3#
      • 1...Kf7!
    • 1.f4?
      • 1...Kf5
        • 2.Bh3#
      • 1...Kf7!
  • Keys
    • 1.Sd5!
      • 1...Kxd5
        • 2.Sf4#
      • 1...Kf5
        • 2.Bh3#
      • 1...Kd7
        • 2.Sc5#
      • 1...Kf7
        • 2.e6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • K(b);S_FLIGHT::B(B)
  • Tries
    • Try
      • K(I);P-FLIGHT
      • Vars
        • K(b);S_FLIGHT::B(B)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • S(H);
      • Vars
        • K(b);S_FLIGHT::S(D)
        • K(b);S_FLIGHT::B(B)
        • K(b);OGATE,S_FLIGHT::P(G)
      • Refutation
        • K(b);S_FLIGHT,XS(H)
    • Try
      • B(B);
      • Vars
        • K(b);S_FLIGHT::B(B)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • R(A);
      • Vars
        • K(b);S_FLIGHT::B(B)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • R(J);
      • Vars
        • K(b);S_FLIGHT::B(B)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • R(J);
      • Vars
        • K(b);S_FLIGHT::B(B)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • R(J);
      • Vars
        • K(b);S_FLIGHT::B(B)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • R(J);
      • Vars
        • K(b);S_FLIGHT::B(B)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • R(J);
      • Vars
        • K(b);S_FLIGHT::B(B)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • R(J);
      • Vars
        • K(b);S_FLIGHT::B(B)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • R(J);
      • Vars
        • K(b);S_FLIGHT::B(B)
      • Refutation
        • K(b);P_SPINP(c),S_FLIGHT
    • Try
      • R(J);
      • Vars
        • K(b);S_FLIGHT::B(B)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • R(J);
      • Vars
        • K(b);S_FLIGHT::B(B)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • R(J);
      • Vars
        • K(b);S_FLIGHT::B(B)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • R(J);P_PINP(c)
      • Vars
        • K(b);N_SPINP(c),S_FLIGHT::B(B)
      • Refutation
        • K(b);N_SPINP(c),S_FLIGHT
    • Try
      • R(J);
      • Vars
        • K(b);S_FLIGHT::B(B)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • R(J);
      • Vars
        • K(b);S_FLIGHT::B(B)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • P(C);
      • Vars
        • K(b);S_FLIGHT::B(B)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • P(C);
      • Vars
        • K(b);S_FLIGHT::B(B)
      • Refutation
        • K(b);S_FLIGHT
  • Actual
    • S(H);
    • Vars
      • K(b);S_FLIGHT,XS(H)::S(D)
      • K(b);S_FLIGHT::B(B)
      • K(b);S_FLIGHT::S(D)
      • K(b);OGATE,S_FLIGHT::P(G)
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Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).