MESON Chess Problem Database
Problem Display
PID: 21012 (6n1/4pppb/4PP1r/5k1r/4R2b/6pP/4N1K1/BQ6 w - - 0 1)
Guidelli, Giorgio
Good Companions (March), 1915
#2
8 + 10
| 3132 | The Good Companion Two-Mover | 1922 |
SOLUTION
- SOUND
- Sets
- 1...Kg5
- 2.Rg4#
- 1...Kg6
- 2.Rg4#
- 1...Rg5
- 2.Re3#
- 1...Rxf6
- 2.Re5#
- 1...Bg5
- 2.Re3#
- 1...Bxf6
- 2.Re5#
- 1...Sxf6
- 2.Re5#
- 1...exf6
- 2.Re5#
- 1...fxe6
- 2.Rg4#
- 1...gxf6
- 2.Re5#
- 1...g5
- 2.Re3#
- 1...Kg5
- Tries
- 1.Kf3?
- 1...Kg5
- 2.Rg4#
- 1...Kg6
- 2.Rg4#
- 1...Rxf6
- 2.Re5#
- 1...Bxf6
- 2.Re5#
- 1...Sxf6
- 2.Re5#
- 1...exf6
- 2.Re5#
- 1...fxe6
- 2.Rg4#
- 1...gxf6
- 2.Re5#
- 1...Rg6
- 2.Qb5#
- 1...Rg5
- 2.Re3#
- 1...Bg5
- 2.Re3#
- 1...Bg6
- 2.Qb5#
- 1...g5
- 2.Re3#
- 1...g6
- 2.Qb5#
- 1...g2!
- 1...Kg5
- 1.Sxg3+?
- 1...Kg5
- 2.Rg4#
- 1...Kg6
- 2.Rg4#
- 1...Bxg3!
- 1...Kg5
- 1.Ra4+?
- 1...Kg5
- 2.Rg4#
- 1...Kxe6!
- 1...Kg5
- 1.Rb4+?
- 1...Kg5
- 2.Rg4#
- 1...Kxe6!
- 1...Kg5
- 1.Rc4+?
- 1...Kg5
- 2.Rg4#
- 1...Kxe6!
- 1...Kg5
- 1.Rf4+?
- 1...Kg5
- 2.Rg4#
- 1...Kxe6!
- 1...Kg5
- 1.Rxh4+?
- 1...Kg5
- 2.Rg4#
- 1...Kxe6!
- 1...Kg5
- 1.Qf1+?
- 1...Kxe4
- 2.Qf3#
- 1...Kg5
- 2.Rg4#
- 1...Kg6!
- 1...Kxe4
- 1.Qb5+?
- 1...Kg6
- 2.Sf4#
- 1...Kxe4!
- 1...Kg6
- 1.Kf3?
- Keys
- 1.Qd3!
- 1...Kg5
- 2.Rg4#
- 1...Kg6
- 2.Rg4#
- 1...Rxf6
- 2.Re5#
- 1...Bxf6
- 2.Re5#
- 1...Sxf6
- 2.Re5#
- 1...exf6
- 2.Re5#
- 1...fxe6
- 2.Rg4#
- 1...gxf6
- 2.Re5#
- 1...Rg6
- 2.Qd5#
- 1...Rg5
- 2.Re3#
- 1...Bg5
- 2.Re3#
- 1...Bg6
- 2.Qd5#
- 1...g5
- 2.Re3#
- 1...g6
- 2.Qd5#
- 1...Kg5
- 1.Qd3!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- K(c);P-FLIGHT::R1(F)
- K(c);S_FLIGHT::QAB(B)+R(F),DCHECK
- R(d);SBLOCK::QAB(B)+R(F)
- R(e);SBLOCK,XP(H)::QAB(B)+R(F),DCHECK
- B(b);SBLOCK::QAB(B)+R(F)
- B(b);SBLOCK,XP(H)::QAB(B)+R(F),DCHECK
- S(j);SBLOCK,XP(H)::QAB(B)+R(F),DCHECK
- P(f);SBLOCK,XP(H)::QAB(B)+R(F),DCHECK
- P(g);SBLOCK,XP(G)::QAB(B)+R(F)
- P(h);SBLOCK,XP(H)::QAB(B)+R(F),DCHECK
- P(h);SBLOCK::QAB(B)+R(F)
- Tries
- Try
- K(D);S_FLIGHT
- Vars
- K(c);P-FLIGHT::R1(F)
- K(c);S_FLIGHT::QAB(B)+R(F),DCHECK
- R(e);SBLOCK,XP(H)::QAB(B)+R(F),DCHECK
- B(b);SBLOCK,XP(H)::QAB(B)+R(F),DCHECK
- S(j);SBLOCK,XP(H)::QAB(B)+R(F),DCHECK
- P(f);SBLOCK,XP(H)::QAB(B)+R(F),DCHECK
- P(g);SBLOCK,XP(G)::QAB(B)+R(F)
- P(h);SBLOCK,XP(H)::QAB(B)+R(F),DCHECK
- R(e);SBLOCK::QAR(B)
- R(d);SBLOCK::QAB(B)+R(F)
- B(b);SBLOCK::QAB(B)+R(F)
- B(i);SBLOCK::QAR(B)
- P(h);SBLOCK::QAB(B)+R(F)
- P(h);SBLOCK::QAR(B)
- Refutation
- P(a);
- Try
- S(C);CHECK,XP(a)
- Vars
- K(c);P-FLIGHT::R1(F)
- K(c);S_FLIGHT::QAB(B)+R(F),DCHECK
- Refutation
- B(b);XS(C)
- Try
- R(F);CHECK
- Vars
- K(c);P-FLIGHT::R1(F)
- Refutation
- K(c);S_FLIGHT,XP(G)
- Try
- R(F);CHECK
- Vars
- K(c);P-FLIGHT::R1(F)
- Refutation
- K(c);S_FLIGHT,XP(G)
- Try
- R(F);CHECK
- Vars
- K(c);P-FLIGHT::R1(F)
- Refutation
- K(c);S_FLIGHT,XP(G)
- Try
- R(F);CHECK
- Vars
- K(c);P-FLIGHT::R1(F)
- Refutation
- K(c);S_FLIGHT,XP(G)
- Try
- R(F);CHECK,XB(b)
- Vars
- K(c);P-FLIGHT::R1(F)
- Refutation
- K(c);S_FLIGHT,XP(G)
- Try
- Q(B);CHECK
- Vars
- K(c);S_FLIGHT,XR(F)::QAB1(B)
- K(c);P-FLIGHT::R1(F)
- Refutation
- K(c);S_FLIGHT
- Try
- Q(B);CHECK
- Vars
- K(c);S_FLIGHT::S(C)
- Refutation
- K(c);S_FLIGHT,XR(F)
- Try
- Actual
- Q(B);
- Vars
- K(c);P-FLIGHT::R1(F)
- K(c);S_FLIGHT::QAB(B)+R(F),DCHECK
- R(e);SBLOCK,XP(H)::QAB(B)+R(F),DCHECK
- B(b);SBLOCK,XP(H)::QAB(B)+R(F),DCHECK
- S(j);SBLOCK,XP(H)::QAB(B)+R(F),DCHECK
- P(f);SBLOCK,XP(H)::QAB(B)+R(F),DCHECK
- P(g);SBLOCK,XP(G)::QAB(B)+R(F)
- P(h);SBLOCK,XP(H)::QAB(B)+R(F),DCHECK
- R(e);SBLOCK::QAR2(B)
- R(d);SBLOCK::QAB(B)+R(F)
- B(b);SBLOCK::QAB(B)+R(F)
- B(i);SBLOCK::QAR2(B)
- P(h);SBLOCK::QAB(B)+R(F)
- P(h);SBLOCK::QAR2(B)
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).