MESON Chess Problem Database
Problem Display
PID: 195304 (1K5B/N1p5/P1P4n/r1ppn3/R1Bk4/3P2R1/3P4/8 w - - 0 1)
Bottger, FBH
Haagsche Courant, 1915
#2
10 + 7
SOLUTION
- SOUND
- Sets
- 1...Rxa4
- 2.Sb5#
- 1...Rb5+
- 2.Sxb5#
- 1...Rxa6
- 2.Sb5#
- 1...Sg4
- 2.Rxg4#
- 1...Sf5
- 2.Rg4#
- 1...Sf7
- 2.Rg4#
- 1...Sg8
- 2.Rg4#
- 1...Rxa4
- Tries
- 1.Kb7?
- 1...Rb5+
- 2.Sxb5#
- 1...Rxa4
- 2.Sb5#
- 1...Rxa6
- 2.Sb5#
- 1...Sg4
- 2.Rxg4#
- 1...Sf5
- 2.Rg4#
- 1...Sf7
- 2.Rg4#
- 1...Sg8
- 2.Rg4#
- 1...dxc4!
- 1...Rb5+
- 1.Kxc7?
- 1...Rxa4
- 2.Sb5#
- 1...Rxa6
- 2.Sb5#
- 1...Rb5
- 2.Sxb5#
- 1...Sg4
- 2.Rxg4#
- 1...Sf5
- 2.Rg4#
- 1...Sf7
- 2.Rg4#
- 1...Sg8
- 2.Rg4#
- 1...dxc4!
- 1...Rxa4
- 1.Kc8?
- 1...Rxa4
- 2.Sb5#
- 1...Rxa6
- 2.Sb5#
- 1...Rb5
- 2.Sxb5#
- 1...Sg4
- 2.Rxg4#
- 1...Sf5
- 2.Rg4#
- 1...Sf7
- 2.Rg4#
- 1...Sg8
- 2.Rg4#
- 1...dxc4!
- 1...Rxa4
- 1.Ba2+?
- 1...Rxa4
- 2.Sb5#
- 1...c4!
- 1...Rxa4
- 1.Bb3+?
- 1...Rxa4
- 2.Sb5#
- 1...c4!
- 1...Rxa4
- 1.Bf6?
- 1...Rb5+
- 2.Sxb5#
- 1...Rxa4
- 2.Sb5#
- 1...Rxa6
- 2.Sb5#
- 1...Sg4
- 2.Rxg4#
- 1...Sf5
- 2.Rg4#
- 1...Sf7
- 2.Rg4#
- 1...Sg8
- 2.Rg4#
- 1...dxc4!
- 1...Rb5+
- 1.Bg7?
- 1...Rb5+
- 2.Sxb5#
- 1...Rxa4
- 2.Sb5#
- 1...Rxa6
- 2.Sb5#
- 1...Sg4
- 2.Rxg4#
- 1...Sf5
- 2.Rg4#
- 1...Sf7
- 2.Rg4#
- 1...Sg8
- 2.Rg4#
- 1...dxc4!
- 1...Rb5+
- 1.Rg1?
- 1...Rb5+
- 2.Sxb5#
- 1...Rxa4
- 2.Sb5#
- 1...Rxa6
- 2.Sb5#
- 1...Sg4
- 2.Rxg4#
- 1...Sf5
- 2.Rg4#
- 1...Sf7
- 2.Rg4#
- 1...Sg8
- 2.Rg4#
- 1...dxc4!
- 1...Rb5+
- 1.Rg2?
- 1...Rb5+
- 2.Sxb5#
- 1...Rxa4
- 2.Sb5#
- 1...Rxa6
- 2.Sb5#
- 1...Sg4
- 2.Rxg4#
- 1...Sf5
- 2.Rg4#
- 1...Sf7
- 2.Rg4#
- 1...Sg8
- 2.Rg4#
- 1...dxc4!
- 1...Rb5+
- 1.Rf3?
- threat
- 2.Rf4#
- 1...Rb5+
- 2.Sxb5#
- 1...dxc4!
- threat
- 1.Rg5?
- threat
- 2.Bxe5#
- 1...Rb5+
- 2.Sxb5#
- 1...Sg4
- 2.Rxg4#
- 1...Sf5
- 2.Rg4#
- 1...Sf7
- 2.Rg4#
- 1...dxc4!
- threat
- 1.Rg6?
- 1...Rb5+
- 2.Sxb5#
- 1...Rxa4
- 2.Sb5#
- 1...Rxa6
- 2.Sb5#
- 1...Sg4
- 2.Rxg4#
- 1...Sf5
- 2.Rg4#
- 1...Sf7
- 2.Rg4#
- 1...Sg8
- 2.Rg4#
- 1...dxc4!
- 1...Rb5+
- 1.Rg8?
- 1...Rb5+
- 2.Sxb5#
- 1...Rxa4
- 2.Sb5#
- 1...Rxa6
- 2.Sb5#
- 1...dxc4
- 2.Rd8#
- 1...Sg4
- 2.Rxg4#
- 1...Sf5
- 2.Rg4#
- 1...Sf7
- 2.Rg4#
- 1...Sxg8!
- 1...Rb5+
- 1.Ra1?
- 1...Rb5+
- 2.Sxb5#
- 1...Rxa1
- 2.Sb5#
- 1...Rxa6
- 2.Sb5#
- 1...Ra2
- 2.Sb5#
- 1...Ra3
- 2.Sb5#
- 1...Ra4
- 2.Sb5#
- 1...Sg4
- 2.Rxg4#
- 1...Sf5
- 2.Rg4#
- 1...Sf7
- 2.Rg4#
- 1...Sg8
- 2.Rg4#
- 1...dxc4!
- 1...Rb5+
- 1.Ra2?
- 1...Rb5+
- 2.Sxb5#
- 1...Rxa2
- 2.Sb5#
- 1...Rxa6
- 2.Sb5#
- 1...Ra3
- 2.Sb5#
- 1...Ra4
- 2.Sb5#
- 1...Sg4
- 2.Rxg4#
- 1...Sf5
- 2.Rg4#
- 1...Sf7
- 2.Rg4#
- 1...Sg8
- 2.Rg4#
- 1...dxc4!
- 1...Rb5+
- 1.Ra3?
- 1...Rb5+
- 2.Sxb5#
- 1...Rxa3
- 2.Sb5#
- 1...Rxa6
- 2.Sb5#
- 1...Ra4
- 2.Sb5#
- 1...Sg4
- 2.Rxg4#
- 1...Sf5
- 2.Rg4#
- 1...Sf7
- 2.Rg4#
- 1...Sg8
- 2.Rg4#
- 1...dxc4!
- 1...Rb5+
- 1.Kb7?
- Keys
- 1.Rg7!
- 1...Rb5+
- 2.Sxb5#
- 1...Sxc6+
- 2.Sxc6#
- 1...Sd7+
- 2.Rxd7#
- 1...Rxa4
- 2.Sb5#
- 1...Rxa6
- 2.Sb5#
- 1...Sxd3
- 2.Rg4#
- 1...Sxc4
- 2.Rg3#
- 1...dxc4
- 2.Rd7#
- 1...Sf3
- 2.Rg4#
- 1...Seg4
- 2.Rxg4#
- 1...Sg6
- 2.Rxg6#
- 1...Sef7
- 2.Rg4#
- 2.Rxf7#
- 1...Shg4
- 2.Rxg4#
- 1...Sf5
- 2.Rg4#
- 1...Shf7
- 2.Rg4#
- 1...Sg8
- 2.Rg4#
- 1...Rb5+
- 1.Rg7!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 8
- REMOVED MATES = 0
- Sets
- R(b);N_GUARD,XR(D)::S(H)
- R(b);CHECK,N_GUARD::S(H),XR(b)
- R(b);N_GUARD,XP(F)::S(H)
- S(f);N_GUARD::R(C),XS(f)
- S(f);N_GUARD::R(C)
- Tries
- Try
- K(I);P-FLIGHT
- Vars
- R(b);CHECK,N_GUARD::S(H),XR(b)
- R(b);N_GUARD,XR(D)::S(H)
- R(b);N_GUARD,XP(F)::S(H)
- S(f);N_GUARD::R(C),XS(f)
- S(f);N_GUARD::R(C)
- Refutation
- P(d);P_SPINP(d),XB(E)
- Try
- K(I);S_FLIGHT,XP(g)
- Vars
- R(b);N_GUARD,XR(D)::S(H)
- R(b);N_GUARD,XP(F)::S(H)
- R(b);N_GUARD::S(H),XR(b)
- S(f);N_GUARD::R(C),XS(f)
- S(f);N_GUARD::R(C)
- Refutation
- P(d);P_SPINP(d),XB(E)
- Try
- K(I);P-FLIGHT
- Vars
- R(b);N_GUARD,XR(D)::S(H)
- R(b);N_GUARD,XP(F)::S(H)
- R(b);N_GUARD::S(H),XR(b)
- S(f);N_GUARD::R(C),XS(f)
- S(f);N_GUARD::R(C)
- Refutation
- P(d);P_SPINP(d),XB(E)
- Try
- B(E);CHECK
- Vars
- R(b);XR(D)::S(H)
- Refutation
- P(c);P_SPINP(c)
- Try
- B(E);CHECK
- Vars
- R(b);XR(D)::S(H)
- Refutation
- P(c);P_SPINP(c)
- Try
- B(J);
- Vars
- R(b);CHECK,N_GUARD::S(H),XR(b)
- R(b);N_GUARD,XR(D)::S(H)
- R(b);N_GUARD,XP(F)::S(H)
- S(f);N_GUARD::R(C),XS(f)
- S(f);N_GUARD::R(C)
- Refutation
- P(d);P_SPINP(d),XB(E)
- Try
- B(J);
- Vars
- R(b);CHECK,N_GUARD::S(H),XR(b)
- R(b);N_GUARD,XR(D)::S(H)
- R(b);N_GUARD,XP(F)::S(H)
- S(f);N_GUARD::R(C),XS(f)
- S(f);N_GUARD::R(C)
- Refutation
- P(d);P_SPINP(d),XB(E)
- Try
- R(C);
- Vars
- R(b);CHECK,N_GUARD::S(H),XR(b)
- R(b);N_GUARD,XR(D)::S(H)
- R(b);N_GUARD,XP(F)::S(H)
- S(f);N_GUARD::R(C),XS(f)
- S(f);N_GUARD::R(C)
- Refutation
- P(d);P_SPINP(d),XB(E)
- Try
- R(C);
- Vars
- R(b);CHECK,N_GUARD::S(H),XR(b)
- R(b);N_GUARD,XR(D)::S(H)
- R(b);N_GUARD,XP(F)::S(H)
- S(f);N_GUARD::R(C),XS(f)
- S(f);N_GUARD::R(C)
- Refutation
- P(d);P_SPINP(d),XB(E)
- Try
- R(C);
- Threat
- R(C)
- Vars
- R(b);CHECK,N_GUARD::S(H),XR(b)
- Refutation
- P(d);P_SPINP(d),XB(E)
- Try
- R(C);
- Threat
- B(J),XS(e)
- Vars
- R(b);CHECK,N_GUARD::S(H),XR(b)
- S(f);N_GUARD::R(C),XS(f)
- S(f);N_GUARD::R(C)
- Refutation
- P(d);P_SPINP(d),XB(E)
- Try
- R(C);
- Vars
- R(b);CHECK,N_GUARD::S(H),XR(b)
- R(b);N_GUARD,XR(D)::S(H)
- R(b);N_GUARD,XP(F)::S(H)
- S(f);N_GUARD::R(C),XS(f)
- S(f);N_GUARD::R(C)
- Refutation
- P(d);P_SPINP(d),XB(E)
- Try
- R(C);
- Vars
- R(b);CHECK,N_GUARD::S(H),XR(b)
- R(b);N_GUARD,XR(D)::S(H)
- R(b);N_GUARD,XP(F)::S(H)
- P(d);OGATEB,P_SPINP(d),XB(E)::R(C)
- S(f);N_GUARD::R(C),XS(f)
- S(f);N_GUARD::R(C)
- Refutation
- S(f);XR(C)
- Try
- R(D);
- Vars
- R(b);CHECK,N_GUARD::S(H),XR(b)
- R(b);N_GUARD,XR(D)::S(H)
- R(b);N_GUARD,XP(F)::S(H)
- R(b);N_GUARD::S(H)
- S(f);N_GUARD::R(C),XS(f)
- S(f);N_GUARD::R(C)
- Refutation
- P(d);XB(E)
- Try
- R(D);
- Vars
- R(b);CHECK,N_GUARD::S(H),XR(b)
- R(b);N_GUARD,XR(D)::S(H)
- R(b);N_GUARD,XP(F)::S(H)
- R(b);N_GUARD::S(H)
- S(f);N_GUARD::R(C),XS(f)
- S(f);N_GUARD::R(C)
- Refutation
- P(d);XB(E)
- Try
- R(D);
- Vars
- R(b);CHECK,N_GUARD::S(H),XR(b)
- R(b);N_GUARD,XR(D)::S(H)
- R(b);N_GUARD,XP(F)::S(H)
- R(b);N_GUARD::S(H)
- S(f);N_GUARD::R(C),XS(f)
- S(f);N_GUARD::R(C)
- Refutation
- P(d);XB(E)
- Try
- Actual
- R(C);N_PINS(e)
- Vars
- R(b);CHECK,N_GUARD::S(H),XR(b)
- S(e);CHECK,XP(G)::S(H),XS(e)
- S(e);CHECK,OGATEB::B(J)+R(C),XS(e)
- R(b);N_GUARD,XR(D)::S(H)
- R(b);N_GUARD,XP(F)::S(H)
- S(e);XP(B)::B(J)+R(C),DCHECK
- S(e);OGATEB,P_SPINS(e),XB(E)::B(J)+R(C)
- P(d);OGATEB,P_SPINP(d),XB(E)::R(C)
- S(e);::B(J)+R(C),DCHECK
- S(e);::B(J)+R(C),DCHECK,XS(e)
- S(e);OGATEB::B(J)+R(C),XS(e)
- S(f);N_GUARD::R(C),XS(f)
- S(f);N_GUARD::R(C)
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).