MESON Chess Problem Database
Problem Display
PID: 9694 (Q6B/4r1Rb/R7/8/2B5/4Pp1r/p3NKp1/k7 w - - 0 1)
Rubesamen, Hermann
Deutsches Wochenschach, 1908
#2
8 + 7
| 3360 | Simple Two-move Themes | 1924 |
| 13255 | Hoekstenen | 1967 |
| 5424 | Versunkene Schatze | 1998 |
SOLUTION
- SOUND
- Sets
- 1...Ra7
- 2.Rb7#
- 1...Rb7
- 2.Rxb7#
- 1...g1Q+
- 2.Rxg1#
- 1...g1S
- 2.Rxg1#
- 1...g1B+
- 2.Rxg1#
- 1...g1R
- 2.Rxg1#
- 1...Ra7
- Tries
- 1.Rb6?
- threat
- 2.Rxe7#
- 2.Qxa2#
- 1...g1Q+
- 2.Rxg1#
- 1...g1B+
- 2.Rxg1#
- 1...Rxe3
- 2.Qxa2#
- 1...Rxg7
- 2.Bxg7#
- 2.Qxa2#
- 1...g1R
- 2.Rxg1#
- 2.Qxa2#
- 1...Rg3
- 2.Qxa2#
- 1...Rh4
- 2.Qxa2#
- 1...Rh5
- 2.Qxa2#
- 1...Rh6
- 2.Qxa2#
- 1...Re4
- 2.Qxa2#
- 1...Re5
- 2.Qxa2#
- 1...Re6
- 2.Qxa2#
- 1...Ra7
- 2.Rxa7#
- 2.Rgb7#
- 2.Rc7#
- 2.Rd7#
- 2.Re7#
- 2.Rf7#
- 1...Rb7
- 2.Rgxb7#
- 2.Rc7#
- 2.Rd7#
- 2.Re7#
- 2.Rf7#
- 2.Qxa2#
- 1...Rc7
- 2.Rxc7#
- 2.Rd7#
- 2.Re7#
- 2.Rf7#
- 2.Qxa2#
- 1...Rd7
- 2.Rxd7#
- 2.Qxa2#
- 1...Rf7
- 2.Rxf7#
- 2.Qxa2#
- 1...Re8
- 2.Qxa2#
- 1...Bc2
- 2.Qxa2#
- 1...Bd3
- 2.Qxa2#
- 1...Be4
- 2.Qxa2#
- 1...Bf5
- 2.Qxa2#
- 1...Bg6
- 2.Qxa2#
- 1...Bg8
- 2.Qxa2#
- 1...Bb1!
- threat
- 1.Rc6?
- threat
- 2.Qxa2#
- 1...g1Q+
- 2.Rxg1#
- 1...g1B+
- 2.Rxg1#
- 1...Kb1
- 2.Qxa2#
- 1...Kb2
- 2.Qxa2#
- 1...Ra7
- 2.Rb7#
- 1...Bb1!
- threat
- 1.Rd6?
- threat
- 2.Qxa2#
- 1...g1Q+
- 2.Rxg1#
- 1...g1B+
- 2.Rxg1#
- 1...Kb1
- 2.Qxa2#
- 1...Kb2
- 2.Qxa2#
- 1...Ra7
- 2.Rb7#
- 1...Bb1!
- threat
- 1.Re6?
- threat
- 2.Qxa2#
- 1...g1Q+
- 2.Rxg1#
- 1...g1B+
- 2.Rxg1#
- 1...Kb1
- 2.Qxa2#
- 1...Kb2
- 2.Qxa2#
- 1...Ra7
- 2.Rb7#
- 1...Bb1!
- threat
- 1.Qb7?
- threat
- 2.Rxa2#
- 2.Rxe7#
- 1...g1Q+
- 2.Rxg1#
- 1...g1B+
- 2.Rxg1#
- 1...Rxe3
- 2.Rxa2#
- 1...Rxb7
- 2.Rxb7#
- 1...Rxg7
- 2.Bxg7#
- 2.Rxa2#
- 1...g1R
- 2.Rxa2#
- 2.Rxg1#
- 1...Re5
- 2.Rxa2#
- 1...Rg3
- 2.Rxa2#
- 1...Rh4
- 2.Rxa2#
- 1...Rh5
- 2.Rxa2#
- 1...Rh6
- 2.Rxa2#
- 1...Re4
- 2.Rxa2#
- 1...Re6
- 2.Rxa2#
- 1...Rc7
- 2.Rxa2#
- 2.Rxc7#
- 2.Rd7#
- 2.Re7#
- 2.Rf7#
- 1...Rd7
- 2.Rxa2#
- 2.Rxd7#
- 1...Rf7
- 2.Rxa2#
- 2.Rxf7#
- 1...Re8
- 2.Rxa2#
- 1...Bc2
- 2.Rxa2#
- 1...Bd3
- 2.Rxa2#
- 1...Be4
- 2.Rxa2#
- 1...Bf5
- 2.Rxa2#
- 1...Bg6
- 2.Rxa2#
- 1...Bg8
- 2.Rxa2#
- 1...Bb1!
- threat
- 1.Qb8?
- threat
- 2.Rxa2#
- 2.Rxe7#
- 1...g1Q+
- 2.Rxg1#
- 1...g1B+
- 2.Rxg1#
- 1...Rxe3
- 2.Rxa2#
- 1...Rxg7
- 2.Bxg7#
- 2.Rxa2#
- 1...Rb7
- 2.Rxb7#
- 1...g1R
- 2.Rxa2#
- 2.Rxg1#
- 1...Re5
- 2.Rxa2#
- 1...Rg3
- 2.Rxa2#
- 1...Rh4
- 2.Rxa2#
- 1...Rh5
- 2.Rxa2#
- 1...Rh6
- 2.Rxa2#
- 1...Re4
- 2.Rxa2#
- 1...Re6
- 2.Rxa2#
- 1...Ra7
- 2.Rgxa7#
- 2.Rb7#
- 2.Rc7#
- 2.Rd7#
- 2.Re7#
- 2.Rf7#
- 1...Rc7
- 2.Rxa2#
- 2.Rxc7#
- 2.Rd7#
- 2.Re7#
- 2.Rf7#
- 1...Rd7
- 2.Rxa2#
- 2.Rxd7#
- 1...Rf7
- 2.Rxa2#
- 2.Rxf7#
- 1...Re8
- 2.Rxa2#
- 1...Bc2
- 2.Rxa2#
- 1...Bd3
- 2.Rxa2#
- 1...Be4
- 2.Rxa2#
- 1...Bf5
- 2.Rxa2#
- 1...Bg6
- 2.Rxa2#
- 1...Bg8
- 2.Rxa2#
- 1...Bb1!
- threat
- 1.Rb6?
- Keys
- 1.Rh6!
- threat
- 2.Qxa2#
- 1...g1Q+
- 2.Rxg1#
- 1...g1B+
- 2.Rxg1#
- 1...Kb1
- 2.Qxa2#
- 1...Kb2
- 2.Qxa2#
- 1...Bb1
- 2.Rxe7#
- 1...Ra7
- 2.Rb7#
- threat
- 1.Rh6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 3
- Sets
- R(f);OGATE::B(H)+R(F)
- R(f);OGATE::B(H)+R(F),XR(f)
- P(c);CHECK,OGATE::B(H)+R(F),DCHECK,XQ(c)
- P(c);OGATE::B(H)+R(F),DCHECK,XS(c)
- P(c);CHECK,OGATE::B(H)+R(F),DCHECK,XB(c)
- P(c);OGATE::B(H)+R(F),DCHECK,XR(c)
- Tries
- Try
- R(E);
- Threat
- DUALS(2)
- Vars
- P(c);CHECK,OGATE::B(H)+R(F),DCHECK,XQ(c)
- P(c);CHECK,OGATE::B(H)+R(F),DCHECK,XB(c)
- R(f);XP(C)::QAR1(G),XP(b)
- R(e);::QAR1(G),XP(b)
- R(f);::QAR1(G),XP(b)
- B(g);::QAR1(G),XP(b)
- Refutation
- B(g);
- Try
- R(E);
- Threat
- QAR1(G),XP(b)
- Vars
- P(c);CHECK,OGATE::B(H)+R(F),DCHECK,XQ(c)
- P(c);CHECK,OGATE::B(H)+R(F),DCHECK,XB(c)
- K(a);N_SPINP(b),P-FLIGHT::QAB1(G),XP(b)
- K(a);N_SPINP(b),S_FLIGHT::QAR1(G),XP(b)
- R(f);N_SPINP(b),OGATE::B(H)+R(F)
- Refutation
- B(g);
- Try
- R(E);
- Threat
- QAR1(G),XP(b)
- Vars
- P(c);CHECK,OGATE::B(H)+R(F),DCHECK,XQ(c)
- P(c);CHECK,OGATE::B(H)+R(F),DCHECK,XB(c)
- K(a);N_SPINP(b),P-FLIGHT::QAB1(G),XP(b)
- K(a);N_SPINP(b),S_FLIGHT::QAR1(G),XP(b)
- R(f);N_SPINP(b),OGATE::B(H)+R(F)
- Refutation
- B(g);
- Try
- R(E);
- Threat
- QAR1(G),XP(b)
- Vars
- P(c);CHECK,OGATE::B(H)+R(F),DCHECK,XQ(c)
- P(c);CHECK,OGATE::B(H)+R(F),DCHECK,XB(c)
- K(a);N_SPINP(b),P-FLIGHT::QAB1(G),XP(b)
- K(a);N_SPINP(b),S_FLIGHT::QAR1(G),XP(b)
- R(f);N_SPINP(b),OGATE::B(H)+R(F)
- Refutation
- B(g);
- Try
- Q(G);
- Threat
- DUALS(2)
- Vars
- P(c);CHECK,OGATE::B(H)+R(F),DCHECK,XQ(c)
- P(c);CHECK,OGATE::B(H)+R(F),DCHECK,XB(c)
- R(f);XP(C)::R1(E),XP(b)
- R(f);OGATE,XQ(G)::B(H)+R(F),XR(f)
- R(f);::R1(E),XP(b)
- R(e);::R1(E),XP(b)
- B(g);::R1(E),XP(b)
- Refutation
- B(g);
- Try
- Q(G);
- Threat
- DUALS(2)
- Vars
- P(c);CHECK,OGATE::B(H)+R(F),DCHECK,XQ(c)
- P(c);CHECK,OGATE::B(H)+R(F),DCHECK,XB(c)
- R(f);XP(C)::R1(E),XP(b)
- R(f);OGATE::B(H)+R(F),XR(f)
- R(f);::R1(E),XP(b)
- R(e);::R1(E),XP(b)
- B(g);::R1(E),XP(b)
- Refutation
- B(g);
- Try
- Actual
- R(E);
- Threat
- QAR1(G),XP(b)
- Vars
- P(c);CHECK,OGATE::B(H)+R(F),DCHECK,XQ(c)
- P(c);CHECK,OGATE::B(H)+R(F),DCHECK,XB(c)
- K(a);N_SPINP(b),P-FLIGHT::QAB1(G),XP(b)
- K(a);N_SPINP(b),S_FLIGHT::QAR1(G),XP(b)
- B(g);SBLOCK::B(H)+R(F),XR(f)
- R(f);N_SPINP(b),OGATE::B(H)+R(F)
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).