MESON Chess Problem Database
Problem Display
PID: 175413 (8/7p/1R5K/2B1k3/R1b2N1N/3P3P/5P2/8 w - - 0 1)
Riera y Rique, Pedro
Problemes d'Echecs, 1899
#2
9 + 3
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Kxf4
- 2.Bd6#
- 1...Ba2
- 2.Re4#
- 1...Bb3
- 2.Re4#
- 1...Bxd3
- 2.Re6#
- 1...Bb5
- 2.Re4#
- 2.Re6#
- 1...Ba6
- 2.Re4#
- 2.Re6#
- 1...Be6
- 2.Rxe6#
- 1...Bf7
- 2.Re4#
- 1...Bg8
- 2.Re4#
- 1...Kxf4
- Tries
- 1.Kg5?
- threat
- 2.Sf3#
- 1...Bd5
- 2.Bd4#
- 2.Bd6#
- 1...h6+!
- threat
- 1.Sf3+?
- 1...Kxf4
- 2.Rf6#
- 1...Kf5!
- 1...Kxf4
- 1.Ba3?
- 1...Kxf4
- 2.Bd6#
- 1...Bxd3
- 2.Bb2#
- 2.Re6#
- 1...Ba2
- 2.Bb2#
- 2.Re4#
- 1...Bb3
- 2.Bb2#
- 2.Re4#
- 1...Bb5
- 2.Bb2#
- 2.Re4#
- 2.Re6#
- 1...Bd5
- 2.Bb2#
- 1...Ba6
- 2.Bb2#
- 2.Re4#
- 2.Re6#
- 1...Be6
- 2.Bb2#
- 2.Rxe6#
- 1...Bf7
- 2.Bb2#
- 2.Re4#
- 1...Bg8
- 2.Bb2#
- 2.Re4#
- 1...Kd4!
- 1...Kxf4
- 1.Be3?
- 1...Bxd3
- 2.Re6#
- 1...Be6
- 2.Rxe6#
- 1...Ba2
- 2.Re4#
- 1...Bb3
- 2.Re4#
- 1...Bb5
- 2.Re4#
- 2.Re6#
- 1...Ba6
- 2.Re4#
- 2.Re6#
- 1...Bf7
- 2.Re4#
- 1...Bg8
- 2.Re4#
- 1...Bd5!
- 1...Bxd3
- 1.Bd4+?
- 1...Kxf4
- 2.Rf6#
- 1...Kxd4!
- 1...Kxf4
- 1.Bd6+?
- 1...Kd4
- 2.Rxc4#
- 1...Kf6!
- 1...Kd4
- 1.Be7?
- 1...Kxf4
- 2.Bd6#
- 1...Bxd3
- 2.Bf6#
- 2.Re6#
- 1...Bd5
- 2.Bf6#
- 1...Ba2
- 2.Bf6#
- 2.Re4#
- 1...Bb3
- 2.Bf6#
- 2.Re4#
- 1...Bb5
- 2.Bf6#
- 2.Re4#
- 2.Rxb5#
- 2.Re6#
- 1...Ba6
- 2.Bf6#
- 2.Re4#
- 2.Re6#
- 1...Be6
- 2.Re4#
- 2.Rxe6#
- 1...Bf7
- 2.Bf6#
- 2.Re4#
- 1...Bg8
- 2.Bf6#
- 2.Re4#
- 1...Kd4!
- 1...Kxf4
- 1.Bf8?
- 1...Kxf4
- 2.Bd6#
- 1...Bxd3
- 2.Bg7#
- 2.Re6#
- 1...Bd5
- 2.Bg7#
- 1...Ba2
- 2.Bg7#
- 2.Re4#
- 1...Bb3
- 2.Bg7#
- 2.Re4#
- 1...Bb5
- 2.Bg7#
- 2.Re4#
- 2.Re6#
- 1...Ba6
- 2.Bg7#
- 2.Re4#
- 2.Re6#
- 1...Be6
- 2.Bg7#
- 2.Rxe6#
- 1...Bf7
- 2.Bg7#
- 2.Re4#
- 1...Bg8
- 2.Bg7#
- 2.Re4#
- 1...Kd4!
- 1...Kxf4
- 1.Rab4?
- 1...Kxf4
- 2.Bd6#
- 1...Bxd3
- 2.Re6#
- 1...Ba2
- 2.Re4#
- 1...Bb3
- 2.Re4#
- 1...Bb5
- 2.Re4#
- 2.Re6#
- 1...Ba6
- 2.Re4#
- 2.Re6#
- 1...Be6
- 2.Rxe6#
- 1...Bf7
- 2.Re4#
- 1...Bg8
- 2.Re4#
- 1...Bd5!
- 1...Kxf4
- 1.Rc6?
- 1...Kxf4
- 2.Bd6#
- 1...Bxd3
- 2.Re6#
- 1...Ba2
- 2.Re4#
- 1...Bb3
- 2.Re4#
- 1...Bb5
- 2.Re4#
- 2.Re6#
- 1...Ba6
- 2.Re4#
- 2.Re6#
- 1...Be6
- 2.Rxe6#
- 1...Bf7
- 2.Re4#
- 1...Bg8
- 2.Re4#
- 1...Bd5!
- 1...Kxf4
- 1.Re6+?
- 1...Kxf4
- 2.Be3#
- 2.Bd6#
- 2.Rxc4#
- 2.Re4#
- 1...Bxe6!
- 1...Kxf4
- 1.Rf6?
- threat
- 2.Rf5#
- 1...Bxd3
- 2.Re6#
- 1...Be6
- 2.Rxe6#
- 1...Kxf6!
- threat
- 1.Rg6?
- 1...Kxf4
- 2.Bd6#
- 1...Bxd3
- 2.Bd6#
- 2.Re6#
- 1...Bd5
- 2.Bd6#
- 1...Ba2
- 2.Bd6#
- 2.Re4#
- 1...Bb3
- 2.Bd6#
- 2.Re4#
- 1...Bb5
- 2.Bd6#
- 2.Re4#
- 2.Re6#
- 1...Ba6
- 2.Bd6#
- 2.Re4#
- 2.Re6#
- 1...Be6
- 2.Re4#
- 2.Rxe6#
- 1...Bf7
- 2.Bd6#
- 2.Re4#
- 1...Bg8
- 2.Bd6#
- 2.Re4#
- 1...hxg6!
- 1...Kxf4
- 1.Kg5?
- Keys
- 1.Bb4!
- 1...Kd4
- 2.Sf3#
- 1...Kxf4
- 2.Bd6#
- 1...Bxd3
- 2.Bc3#
- 1...Be6
- 2.Bc3#
- 1...Bd5
- 2.Bc3#
- 1...Ba2
- 2.Bc3#
- 1...Bb3
- 2.Bc3#
- 1...Bb5
- 2.Bc3#
- 1...Ba6
- 2.Bc3#
- 1...Bf7
- 2.Bc3#
- 1...Bg8
- 2.Bc3#
- 1...Kd4
- 1.Bb4!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 6
- ADDED MATES = 4
- REMOVED MATES = 0
- Sets
- K(b);P_SPINB(a),S_FLIGHT,XS(E)::B(G)
- B(a);OGATE::R1(D)
- B(a);N_GUARD,XP(B)::R1(H)
- B(a);N_GUARD::R1(H),XB(a)
- Tries
- Try
- K(I);S_FLIGHT
- Threat
- S(F)
- Refutation
- P(c);CHECK
- Try
- S(F);CHECK
- Vars
- K(b);P_SPINB(a),S_FLIGHT,XS(E)::R(H)
- Refutation
- K(b);P-FLIGHT
- Try
- B(G);
- Vars
- K(b);P_SPINB(a),S_FLIGHT,XS(E)::B(G)
- B(a);::B(G)
- Refutation
- K(b);P_SPINB(a),S_FLIGHT
- Try
- B(G);
- Vars
- B(a);N_GUARD,XP(B)::R1(H)
- B(a);N_GUARD::R1(H),XB(a)
- B(a);OGATE::R1(D)
- Refutation
- B(a);
- Try
- B(G);CHECK
- Vars
- K(b);S_FLIGHT,XS(E)::R(H)
- Refutation
- K(b);P_SPINB(a),S_FLIGHT,XB(G)
- Try
- B(G);CHECK
- Vars
- K(b);P_SPINB(a),S_FLIGHT::R1(D),XB(a)
- Refutation
- K(b);S_FLIGHT
- Try
- B(G);
- Vars
- K(b);P_SPINB(a),S_FLIGHT,XS(E)::B(G)
- B(a);::B(G)
- Refutation
- K(b);P_SPINB(a),S_FLIGHT
- Try
- B(G);
- Vars
- K(b);P_SPINB(a),S_FLIGHT,XS(E)::B(G)
- B(a);::B(G)
- Refutation
- K(b);P_SPINB(a),S_FLIGHT
- Try
- R(D);
- Vars
- K(b);P_SPINB(a),S_FLIGHT,XS(E)::B(G)
- B(a);N_GUARD,XP(B)::R1(H)
- B(a);OGATE::R1(D)
- B(a);N_GUARD::R1(H),XB(a)
- Refutation
- B(a);
- Try
- R(H);
- Vars
- K(b);P_SPINB(a),S_FLIGHT,XS(E)::B(G)
- B(a);N_GUARD,XP(B)::R1(H)
- B(a);OGATE::R1(D)
- B(a);N_GUARD::R1(H),XB(a)
- Refutation
- B(a);
- Try
- R(H);CHECK
- Refutation
- B(a);XR(H)
- Try
- R(H);
- Threat
- R1(H)
- Vars
- B(a);N_GUARD,XP(B)::R1(H)
- B(a);N_GUARD::R1(H),XB(a)
- Refutation
- K(b);S_FLIGHT,XR(H)
- Try
- R(H);
- Vars
- K(b);P_SPINB(a),S_FLIGHT,XS(E)::B(G)
- B(a);::B(G)
- Refutation
- P(c);XR(H)
- Try
- Actual
- B(G);
- Vars
- K(b);S_FLIGHT::S(F)
- K(b);S_FLIGHT,XS(E)::B(G)
- B(a);XP(B)::B(G)
- B(a);::B(G)
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).