MESON Chess Problem Database
Problem Display
PID: 2956 (3n1BN1/6pr/6R1/1n1pk1pr/5pB1/5P2/p3N3/K1R5 w - - 0 1)
Bolus, Andrew
Williams, Philip Hamilton
Source?, 1914
#2
8 + 10
| 2681 | All Change Here! | 1919 |
SOLUTION
- SOUND
- Sets
- 1...Rh1
- 2.Rxg5#
- 1...Rh2
- 2.Rxg5#
- 1...Rh3
- 2.Rxg5#
- 1...Rh4
- 2.Rxg5#
- 1...R5h6
- 2.Rxg5#
- 1...R7h6
- 2.Bxg7#
- 1...Rh8
- 2.Bxg7#
- 1...Sa3
- 2.Bd6#
- 1...Sc3
- 2.Bd6#
- 1...Sd4
- 2.Bd6#
- 1...Sd6
- 2.Bxd6#
- 1...Sa7
- 2.Bd6#
- 1...Sc7
- 2.Bd6#
- 1...Sc6
- 2.Re6#
- 1...Se6
- 2.Rxe6#
- 1...Sb7
- 2.Re6#
- 1...Sf7
- 2.Re6#
- 1...d4
- 2.Rc5#
- 1...Rh1
- Tries
- 1.Kxa2?
- 1...d4
- 2.Rc5#
- 1...Rh1
- 2.Rxg5#
- 1...Rh2
- 2.Rxg5#
- 1...Rh3
- 2.Rxg5#
- 1...Rh4
- 2.Rxg5#
- 1...R5h6
- 2.Rxg5#
- 1...R7h6
- 2.Bxg7#
- 1...Rh8
- 2.Bxg7#
- 1...Sa3
- 2.Bd6#
- 1...Sd4
- 2.Bd6#
- 1...Sd6
- 2.Bxd6#
- 1...Sa7
- 2.Bd6#
- 1...Sc7
- 2.Bd6#
- 1...Sc6
- 2.Re6#
- 1...Se6
- 2.Rxe6#
- 1...Sb7
- 2.Re6#
- 1...Sf7
- 2.Re6#
- 1...Sc3+!
- 1...d4
- 1.Sf6?
- threat
- 2.Sd7#
- 1...d4
- 2.Rc5#
- 1...gxf6!
- threat
- 1.Rd1?
- 1...Rh1
- 2.Rxg5#
- 1...Rh2
- 2.Rxg5#
- 1...Rh3
- 2.Rxg5#
- 1...Rh4
- 2.Rxg5#
- 1...R5h6
- 2.Rxg5#
- 1...R7h6
- 2.Bxg7#
- 1...Rh8
- 2.Bxg7#
- 1...Sa3
- 2.Bd6#
- 1...Sc3
- 2.Bd6#
- 1...Sd4
- 2.Bd6#
- 1...Sd6
- 2.Bxd6#
- 1...Sa7
- 2.Bd6#
- 1...Sc7
- 2.Bd6#
- 1...Sc6
- 2.Re6#
- 1...Se6
- 2.Rxe6#
- 1...Sb7
- 2.Re6#
- 1...Sf7
- 2.Re6#
- 1...d4!
- 1...Rh1
- 1.Rf1?
- 1...Rh1
- 2.Rxg5#
- 1...Rh2
- 2.Rxg5#
- 1...Rh3
- 2.Rxg5#
- 1...Rh4
- 2.Rxg5#
- 1...R5h6
- 2.Rxg5#
- 1...R7h6
- 2.Bxg7#
- 1...Rh8
- 2.Bxg7#
- 1...Sa3
- 2.Bd6#
- 1...Sc3
- 2.Bd6#
- 1...Sd4
- 2.Bd6#
- 1...Sd6
- 2.Bxd6#
- 1...Sa7
- 2.Bd6#
- 1...Sc7
- 2.Bd6#
- 1...Sc6
- 2.Re6#
- 1...Se6
- 2.Rxe6#
- 1...Sb7
- 2.Re6#
- 1...Sf7
- 2.Re6#
- 1...d4!
- 1...Rh1
- 1.Rg1?
- 1...Rh1
- 2.Rxg5#
- 1...Rh2
- 2.Rxg5#
- 1...Rh3
- 2.Rxg5#
- 1...Rh4
- 2.Rxg5#
- 1...R5h6
- 2.Rxg5#
- 1...R7h6
- 2.Bxg7#
- 1...Rh8
- 2.Bxg7#
- 1...Sa3
- 2.Bd6#
- 1...Sc3
- 2.Bd6#
- 1...Sd4
- 2.Bd6#
- 1...Sd6
- 2.Bxd6#
- 1...Sa7
- 2.Bd6#
- 1...Sc7
- 2.Bd6#
- 1...Sc6
- 2.Re6#
- 1...Se6
- 2.Rxe6#
- 1...Sb7
- 2.Re6#
- 1...Sf7
- 2.Re6#
- 1...d4!
- 1...Rh1
- 1.Rc2?
- 1...d4
- 2.Rc5#
- 1...Rh2
- 2.Rxg5#
- 1...Rh3
- 2.Rxg5#
- 1...Rh4
- 2.Rxg5#
- 1...R5h6
- 2.Rxg5#
- 1...R7h6
- 2.Bxg7#
- 1...Rh8
- 2.Bxg7#
- 1...Sa3
- 2.Bd6#
- 1...Sc3
- 2.Bd6#
- 1...Sd4
- 2.Bd6#
- 1...Sd6
- 2.Bxd6#
- 1...Sa7
- 2.Bd6#
- 1...Sc7
- 2.Bd6#
- 1...Sc6
- 2.Re6#
- 1...Se6
- 2.Rxe6#
- 1...Sb7
- 2.Re6#
- 1...Sf7
- 2.Re6#
- 1...Rh1+!
- 1...d4
- 1.Rc3?
- 1...Sxc3
- 2.Bd6#
- 1...d4
- 2.Rc5#
- 1...Rh2
- 2.Rxg5#
- 1...Rh3
- 2.Rxg5#
- 1...Rh4
- 2.Rxg5#
- 1...R5h6
- 2.Rxg5#
- 1...R7h6
- 2.Bxg7#
- 1...Rh8
- 2.Bxg7#
- 1...Sa3
- 2.Bd6#
- 1...Sd4
- 2.Bd6#
- 1...Sd6
- 2.Bxd6#
- 1...Sa7
- 2.Bd6#
- 1...Sc7
- 2.Bd6#
- 1...Sc6
- 2.Re6#
- 1...Se6
- 2.Rxe6#
- 1...Sb7
- 2.Re6#
- 1...Sf7
- 2.Re6#
- 1...Rh1+!
- 1...Sxc3
- 1.Rc5?
- 1...Rh2
- 2.Rxg5#
- 1...Rh3
- 2.Rxg5#
- 1...Rh4
- 2.Rxg5#
- 1...R5h6
- 2.Rxg5#
- 1...R7h6
- 2.Bxg7#
- 1...Rh8
- 2.Bxg7#
- 1...Sa3
- 2.Bd6#
- 1...Sc3
- 2.Bd6#
- 1...Sd4
- 2.Bd6#
- 1...Sd6
- 2.Bxd6#
- 1...Sa7
- 2.Bd6#
- 1...Sc7
- 2.Bd6#
- 1...Sc6
- 2.Re6#
- 1...Se6
- 2.Rxe6#
- 1...Sb7
- 2.Re6#
- 1...Sf7
- 2.Re6#
- 1...Rh1+!
- 1...Rh2
- 1.Rcc6?
- 1...Sxc6
- 2.Re6#
- 1...d4
- 2.Rc5#
- 1...Rh2
- 2.Rxg5#
- 1...Rh3
- 2.Rxg5#
- 1...Rh4
- 2.Rxg5#
- 1...R5h6
- 2.Rxg5#
- 1...R7h6
- 2.Bxg7#
- 1...Rh8
- 2.Bxg7#
- 1...Sa3
- 2.Bd6#
- 1...Sc3
- 2.Bd6#
- 1...Sd4
- 2.Bd6#
- 1...Sd6
- 2.Bxd6#
- 1...Sa7
- 2.Bd6#
- 1...Sc7
- 2.Bd6#
- 1...Se6
- 2.Rcxe6#
- 2.Rgxe6#
- 1...Sb7
- 2.Rce6#
- 2.Rge6#
- 1...Sf7
- 2.Rce6#
- 2.Rge6#
- 1...Rh1+!
- 1...Sxc6
- 1.Rc7?
- 1...Sxc7
- 2.Bd6#
- 1...d4
- 2.Rc5#
- 1...Rh2
- 2.Rxg5#
- 1...Rh3
- 2.Rxg5#
- 1...Rh4
- 2.Rxg5#
- 1...R5h6
- 2.Rxg5#
- 1...R7h6
- 2.Bxg7#
- 1...Rh8
- 2.Bxg7#
- 1...Sa3
- 2.Bd6#
- 1...Sc3
- 2.Bd6#
- 1...Sd4
- 2.Bd6#
- 1...Sd6
- 2.Bxd6#
- 1...Sa7
- 2.Bd6#
- 1...Sc6
- 2.Re6#
- 1...Se6
- 2.Rxe6#
- 1...Sb7
- 2.Re6#
- 2.Re7#
- 1...Sf7
- 2.Re6#
- 2.Re7#
- 1...Rh1+!
- 1...Sxc7
- 1.Rc8?
- 1...d4
- 2.Rc5#
- 1...Rh2
- 2.Rxg5#
- 1...Rh3
- 2.Rxg5#
- 1...Rh4
- 2.Rxg5#
- 1...R5h6
- 2.Rxg5#
- 1...R7h6
- 2.Bxg7#
- 1...Rh8
- 2.Bxg7#
- 1...Sa3
- 2.Bd6#
- 1...Sc3
- 2.Bd6#
- 1...Sd4
- 2.Bd6#
- 1...Sd6
- 2.Bxd6#
- 1...Sa7
- 2.Bd6#
- 1...Sc7
- 2.Bd6#
- 1...Sc6
- 2.Re6#
- 1...Se6
- 2.Rxe6#
- 1...Sb7
- 2.Re6#
- 2.Re8#
- 1...Sf7
- 2.Re6#
- 2.Re8#
- 1...Rh1+!
- 1...d4
- 1.Kxa2?
- Keys
- 1.Re1!
- 1...d4
- 2.Sc3#
- 1...Rh1
- 2.Rxg5#
- 1...Rh2
- 2.Rxg5#
- 1...Rh3
- 2.Rxg5#
- 1...Rh4
- 2.Rxg5#
- 1...R5h6
- 2.Rxg5#
- 1...R7h6
- 2.Bxg7#
- 1...Rh8
- 2.Bxg7#
- 1...Sa3
- 2.Bd6#
- 1...Sc3
- 2.Bd6#
- 1...Sd4
- 2.Bd6#
- 1...Sd6
- 2.Bxd6#
- 1...Sa7
- 2.Bd6#
- 1...Sc7
- 2.Bd6#
- 1...Sc6
- 2.Re6#
- 1...Se6
- 2.Rxe6#
- 1...Sb7
- 2.Re6#
- 1...Sf7
- 2.Re6#
- 1...d4
- 1.Re1!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 1
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- R(g);N_GUARD,P_PINR(B)::R(F),XP(f)
- R(g);N_GUARD::R(F),XP(f)
- R(i);N_GUARD::B(G),XP(h)
- S(c);N_GUARD::B(G)
- S(c);N_GUARD::B(G),XS(c)
- S(j);N_GUARD::R1(F)
- S(j);N_GUARD::R1(F),XS(j)
- P(d);OGATEB::R(B)
- Tries
- Try
- K(A);P-FLIGHT,XP(a)
- Vars
- P(d);OGATEB::R(B)
- R(g);N_GUARD::R(F),XP(f)
- R(g);N_GUARD,P_PINS(C)::R(F),XP(f)
- R(i);N_GUARD::B(G),XP(h)
- S(c);N_GUARD::B(G)
- S(c);N_GUARD::B(G),XS(c)
- S(j);N_GUARD::R1(F)
- S(j);N_GUARD::R1(F),XS(j)
- Refutation
- S(c);CHECK
- Try
- S(H);
- Threat
- S(H)
- Vars
- P(d);OGATEB::R(B)
- Refutation
- P(h);XS(H)
- Try
- R(B);
- Vars
- R(g);N_GUARD,P_PINR(B)::R(F),XP(f)
- R(g);N_GUARD::R(F),XP(f)
- R(i);N_GUARD::B(G),XP(h)
- S(c);N_GUARD::B(G)
- S(c);N_GUARD::B(G),XS(c)
- S(j);N_GUARD::R1(F)
- S(j);N_GUARD::R1(F),XS(j)
- Refutation
- P(d);
- Try
- R(B);
- Vars
- R(g);N_GUARD,P_PINR(B)::R(F),XP(f)
- R(g);N_GUARD::R(F),XP(f)
- R(i);N_GUARD::B(G),XP(h)
- S(c);N_GUARD::B(G)
- S(c);N_GUARD::B(G),XS(c)
- S(j);N_GUARD::R1(F)
- S(j);N_GUARD::R1(F),XS(j)
- Refutation
- P(d);
- Try
- R(B);
- Vars
- R(g);N_GUARD,P_PINR(B)::R(F),XP(f)
- R(g);N_GUARD::R(F),XP(f)
- R(i);N_GUARD::B(G),XP(h)
- S(c);N_GUARD::B(G)
- S(c);N_GUARD::B(G),XS(c)
- S(j);N_GUARD::R1(F)
- S(j);N_GUARD::R1(F),XS(j)
- Refutation
- P(d);
- Try
- R(B);
- Vars
- P(d);OGATEB::R(B)
- R(g);N_GUARD::R(F),XP(f)
- R(i);N_GUARD::B(G),XP(h)
- S(c);N_GUARD::B(G)
- S(c);N_GUARD::B(G),XS(c)
- S(j);N_GUARD::R1(F)
- S(j);N_GUARD::R1(F),XS(j)
- Refutation
- R(g);CHECK
- Try
- R(B);
- Vars
- S(c);N_GUARD,XR(B)::B(G)
- P(d);OGATEB::R(B)
- R(g);N_GUARD::R(F),XP(f)
- R(i);N_GUARD::B(G),XP(h)
- S(c);N_GUARD::B(G)
- S(c);N_GUARD::B(G),XS(c)
- S(j);N_GUARD::R1(F)
- S(j);N_GUARD::R1(F),XS(j)
- Refutation
- R(g);CHECK
- Try
- R(B);P_PINP(d)
- Vars
- R(g);N_GUARD::R(F),XP(f)
- R(i);N_GUARD::B(G),XP(h)
- S(c);N_GUARD::B(G)
- S(c);N_GUARD::B(G),XS(c)
- S(j);N_GUARD::R1(F)
- S(j);N_GUARD::R1(F),XS(j)
- Refutation
- R(g);CHECK
- Try
- R(B);
- Vars
- S(j);N_GUARD,XR(B)::R1(F)
- P(d);OGATEB::R(B)
- R(g);N_GUARD::R(F),XP(f)
- R(i);N_GUARD::B(G),XP(h)
- S(c);N_GUARD::B(G)
- S(c);N_GUARD::B(G),XS(c)
- Refutation
- R(g);CHECK
- Try
- R(B);
- Vars
- S(c);N_GUARD,XR(B)::B(G)
- P(d);OGATEB::R(B)
- R(g);N_GUARD::R(F),XP(f)
- R(i);N_GUARD::B(G),XP(h)
- S(c);N_GUARD::B(G)
- S(c);N_GUARD::B(G),XS(c)
- S(j);N_GUARD::R1(F)
- S(j);N_GUARD::R1(F),XS(j)
- Refutation
- R(g);CHECK
- Try
- R(B);
- Vars
- P(d);OGATEB::R(B)
- R(g);N_GUARD::R(F),XP(f)
- R(i);N_GUARD::B(G),XP(h)
- S(c);N_GUARD::B(G)
- S(c);N_GUARD::B(G),XS(c)
- S(j);N_GUARD::R1(F)
- S(j);N_GUARD::R1(F),XS(j)
- Refutation
- R(g);CHECK
- Try
- Actual
- R(B);
- Vars
- P(d);SBLOCK::R(B)+S(C)
- R(g);N_GUARD,P_PINR(B)::R(F),XP(f)
- R(g);N_GUARD::R(F),XP(f)
- R(i);N_GUARD::B(G),XP(h)
- S(c);N_GUARD::B(G)
- S(c);N_GUARD::B(G),XS(c)
- S(j);N_GUARD::R1(F)
- S(j);N_GUARD::R1(F),XS(j)
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).