MESON Chess Problem Database
Problem Display
PID: 190086 (8/8/1Rn5/1BpkP1NK/3p2N1/8/1BPn4/3R4 w - - 0 1)
Arnold, William E
The San Francisco Call, 1913
#2
9 + 5
| 6490 | yacpdb | 2019 |
SOLUTION
- SOUND
- Sets
- 1...Sb1
- 2.c4#
- 1...Sf1
- 2.c4#
- 1...Sb3
- 2.c4#
- 1...Sf3
- 2.c4#
- 1...Sc4
- 2.Bxc6#
- 1...Se4
- 2.c4#
- 1...Sb4
- 2.Rd6#
- 1...Sa5
- 2.Rd6#
- 1...Sxe5
- 2.Sf6#
- 1...Sa7
- 2.Rd6#
- 1...Se7
- 2.Rd6#
- 1...Sb8
- 2.Rd6#
- 1...Sd8
- 2.Rd6#
- 1...d3
- 2.Se3#
- 2.Sf6#
- 1...Sb1
- Tries
- 1.Kh6?
- 1...Sxe5
- 2.Sf6#
- 1...Sb1
- 2.c4#
- 1...Sf1
- 2.c4#
- 1...Sb3
- 2.c4#
- 1...Sf3
- 2.c4#
- 1...Sc4
- 2.Bxc6#
- 1...Se4
- 2.c4#
- 1...Sb4
- 2.Rd6#
- 1...Sa5
- 2.Rd6#
- 1...Sa7
- 2.Rd6#
- 1...Se7
- 2.Rd6#
- 1...Sb8
- 2.Rd6#
- 1...Sd8
- 2.Rd6#
- 1...d3
- 2.Se3#
- 2.Sf6#
- 1...c4!
- 1...Sxe5
- 1.Se3+?
- 1...dxe3
- 2.c4#
- 1...Kxe5!
- 1...dxe3
- 1.Ba1?
- 1...Sxe5
- 2.Sf6#
- 1...Sb1
- 2.c4#
- 1...Sf1
- 2.c4#
- 1...Sb3
- 2.c4#
- 1...Sf3
- 2.c4#
- 1...Sc4
- 2.Bxc6#
- 1...Se4
- 2.c4#
- 1...Sb4
- 2.Rd6#
- 1...Sa5
- 2.Rd6#
- 1...Sa7
- 2.Rd6#
- 1...Se7
- 2.Rd6#
- 1...Sb8
- 2.Rd6#
- 1...Sd8
- 2.Rd6#
- 1...d3
- 2.Se3#
- 2.Sf6#
- 1...c4!
- 1...Sxe5
- 1.Ba3?
- 1...Sxe5
- 2.Sf6#
- 1...Sb1
- 2.c4#
- 1...Sf1
- 2.c4#
- 1...Sb3
- 2.c4#
- 1...Sf3
- 2.c4#
- 1...Sc4
- 2.Bxc6#
- 1...Se4
- 2.c4#
- 1...Sb4
- 2.Rd6#
- 1...Sa5
- 2.Rd6#
- 1...Sa7
- 2.Rd6#
- 1...Se7
- 2.Rd6#
- 1...Sb8
- 2.Rd6#
- 1...Sd8
- 2.Rd6#
- 1...c4
- 2.Bxc6#
- 1...d3!
- 1...Sxe5
- 1.Bf1?
- 1...Sxe5
- 2.Sf6#
- 1...d3
- 2.Se3#
- 1...c4
- 2.Rb5#
- 1...Sb1
- 2.c4#
- 1...Sb3
- 2.c4#
- 1...Sf3
- 2.c4#
- 1...Sc4
- 2.Bg2#
- 1...Se4
- 2.c4#
- 1...Sb4
- 2.Rd6#
- 1...Sa5
- 2.Rd6#
- 1...Sa7
- 2.Rd6#
- 1...Se7
- 2.Rd6#
- 1...Sb8
- 2.Rd6#
- 1...Sd8
- 2.Rd6#
- 1...Sxf1!
- 1...Sxe5
- 1.Ba6?
- 1...Sxe5
- 2.Sf6#
- 1...c4
- 2.Rb5#
- 1...Sb1
- 2.c4#
- 1...Sf1
- 2.c4#
- 1...Sb3
- 2.c4#
- 1...Sf3
- 2.c4#
- 1...Se4
- 2.c4#
- 1...Sb4
- 2.Rd6#
- 1...Sa5
- 2.Rd6#
- 1...Sa7
- 2.Rd6#
- 1...Se7
- 2.Rd6#
- 1...Sb8
- 2.Rd6#
- 1...Sd8
- 2.Rd6#
- 1...d3
- 2.Se3#
- 2.Sf6#
- 1...Sc4!
- 1...Sxe5
- 1.Rxd2?
- threat
- 2.c4#
- 1...Sxe5
- 2.Se3#
- 2.Sf6#
- 1...Sa5
- 2.Rd6#
- 1...c4!
- threat
- 1.Ra6?
- 1...Sxe5
- 2.Sf6#
- 1...Sb1
- 2.c4#
- 1...Sf1
- 2.c4#
- 1...Sb3
- 2.c4#
- 1...Sf3
- 2.c4#
- 1...Sc4
- 2.Bxc6#
- 1...Se4
- 2.c4#
- 1...Sb4
- 2.Rd6#
- 1...Sa5
- 2.Rd6#
- 1...Sa7
- 2.Rd6#
- 1...Se7
- 2.Rd6#
- 1...Sb8
- 2.Rd6#
- 1...Sd8
- 2.Rd6#
- 1...d3
- 2.Se3#
- 2.Sf6#
- 1...c4!
- 1...Sxe5
- 1.c4+?
- 1...Sxc4
- 2.Bxc6#
- 1...dxc4 ep!
- 1...Sxc4
- 1.Kh6?
- Keys
- 1.Be2!
- 1...Sxe5
- 2.Sf6#
- 1...d3
- 2.Se3#
- 1...c4
- 2.Rb5#
- 1...Sb1
- 2.c4#
- 1...Sf1
- 2.c4#
- 1...Sb3
- 2.c4#
- 1...Sf3
- 2.c4#
- 1...Sc4
- 2.Bf3#
- 1...Se4
- 2.c4#
- 1...Sb4
- 2.Rd6#
- 1...Sa5
- 2.Rd6#
- 1...Sa7
- 2.Rd6#
- 1...Se7
- 2.Rd6#
- 1...Sb8
- 2.Rd6#
- 1...Sd8
- 2.Rd6#
- 1...Sxe5
- 1.Be2!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 1
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- S(a);N_GUARD,P_SPINP(b)::P(C)
- S(a);P_SPINP(b),SBLOCK::B(E),XS(e)
- S(e);OGATE::R1(I)
- S(e);SBLOCK,XP(F)::S(D)
- Tries
- Try
- K(H);P-FLIGHT
- Vars
- S(e);SBLOCK,XP(F)::S(D)
- S(a);N_GUARD,P_SPINP(b)::P(C)
- S(a);P_SPINP(b),SBLOCK::B(E),XS(e)
- S(e);OGATE::R1(I)
- Refutation
- P(c);
- Try
- S(D);CHECK
- Vars
- P(b);P_SPINS(a),XS(D)::P(C)
- Refutation
- K(d);P-FLIGHT,P_SPINP(b),XP(F)
- Try
- B(B);
- Vars
- S(e);SBLOCK,XP(F)::S(D)
- S(a);N_GUARD,P_SPINP(b)::P(C)
- S(a);P_SPINP(b),SBLOCK::B(E),XS(e)
- S(e);OGATE::R1(I)
- Refutation
- P(c);
- Try
- B(B);
- Vars
- S(e);SBLOCK,XP(F)::S(D)
- S(a);N_GUARD,P_SPINP(b)::P(C)
- S(a);P_SPINP(b),SBLOCK::B(E),XS(e)
- S(e);OGATE::R1(I)
- P(c);SBLOCK::B(E),XS(e)
- Refutation
- P(b);
- Try
- B(E);
- Vars
- S(e);SBLOCK,XP(F)::S(D)
- P(b);N_GUARD::S(D)
- P(c);OGATEB::R(I)
- S(a);N_GUARD,P_SPINP(b)::P(C)
- S(a);N_GUARD,P_SPINP(b),SBLOCK::B(E)
- S(e);OGATE::R1(I)
- Refutation
- S(a);P_SPINP(b),XB(E)
- Try
- B(E);
- Vars
- S(e);SBLOCK,XP(F)::S(D)
- P(c);OGATEB,SBLOCK::R(I)
- S(a);N_GUARD,P_SPINP(b)::P(C)
- S(e);OGATE::R1(I)
- Refutation
- S(a);P_SPINP(b)
- Try
- R(A);P_PINP(b),XS(a)
- Threat
- P(C)
- Vars
- S(e);OGATE::R1(I)
- Refutation
- P(c);
- Try
- R(I);
- Vars
- S(e);SBLOCK,XP(F)::S(D)
- S(a);N_GUARD,P_SPINP(b)::P(C)
- S(a);P_SPINP(b),SBLOCK::B(E),XS(e)
- S(e);OGATE::R1(I)
- Refutation
- P(c);
- Try
- P(C);CHECK
- Vars
- S(a);P_SPINP(b),SBLOCK,XP(C)::B(E),XS(e)
- Refutation
- P(b);EP,P_SPINS(a),XP(C)
- Try
- Actual
- B(E);
- Vars
- S(e);SBLOCK,XP(F)::S(D)
- P(b);N_GUARD::S(D)
- P(c);OGATEB::R(I)
- S(a);N_GUARD,P_SPINP(b)::P(C)
- S(a);N_GUARD,P_SPINP(b),SBLOCK::B(E)
- S(e);OGATE::R1(I)
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).