MESON Chess Problem Database
Problem Display
PID: 270363 (1RnK4/3NP3/1pkP1p2/5n1Q/1PP1RBPr/1r2P1p1/2p5/7B w - - 0 1)
Maleika, Gerhard
Probleemblad, 2021
#2
13 + 9
SOLUTION
- SOUND
- Sets
- 1...Ra3
- 2.b5#
- 1...Rc3
- 2.b5#
- 1...Rd3
- 2.b5#
- 1...Rxe3
- 2.b5#
- 1...Sxe3
- 2.Qb5#
- 1...Sd4
- 2.Qd5#
- 1...Sfxd6
- 2.Qd5#
- 1...Sh6
- 2.Qb5#
- 2.Qd5#
- 1...Sfxe7
- 2.Qb5#
- 1...Sg7
- 2.Qb5#
- 2.Qd5#
- 1...Scxd6
- 2.Rxb6#
- 1...Sa7
- 2.Rxb6#
- 1...Scxe7
- 2.Rxb6#
- 1...Ra3
- Tries
- 1.Sc5?
- threat
- 2.Rxc8#
- 2.Qe8#
- 2.e8Q#
- 2.e8B#
- 1...Rxe3
- 2.Rxc8#
- 2.Qe8#
- 2.e8Q#
- 2.e8B#
- 1...Rxb4
- 2.Rxc8#
- 1...Rxh1
- 2.Rxc8#
- 2.Qe8#
- 2.e8Q#
- 2.e8B#
- 1...Rxg4
- 2.Rxc8#
- 2.Qe8#
- 2.e8Q#
- 2.e8B#
- 1...Rxh5
- 2.Rxc8#
- 2.e8Q#
- 2.e8B#
- 1...Sxe3
- 2.Rxc8#
- 2.Qe8#
- 2.e8Q#
- 2.e8B#
- 1...Sfxd6
- 2.Qd5#
- 1...Sfxe7
- 2.Qe8#
- 1...Scxe7
- 2.Qe8#
- 1...bxc5
- 2.Qe8#
- 2.e8Q#
- 2.e8B#
- 1...c1Q
- 2.Rxc8#
- 2.Qe8#
- 2.e8Q#
- 2.e8B#
- 1...c1S
- 2.Rxc8#
- 2.Qe8#
- 2.e8Q#
- 2.e8B#
- 1...c1B
- 2.Rxc8#
- 2.Qe8#
- 2.e8Q#
- 2.e8B#
- 1...c1R
- 2.Rxc8#
- 2.Qe8#
- 2.e8Q#
- 2.e8B#
- 1...Rb1
- 2.Rxc8#
- 2.Qe8#
- 2.e8Q#
- 2.e8B#
- 1...Rb2
- 2.Rxc8#
- 2.Qe8#
- 2.e8Q#
- 2.e8B#
- 1...Ra3
- 2.Rxc8#
- 2.Qe8#
- 2.e8Q#
- 2.e8B#
- 1...Rc3
- 2.Rxc8#
- 2.Qe8#
- 2.e8Q#
- 2.e8B#
- 1...Rd3
- 2.Rxc8#
- 2.Qe8#
- 2.e8Q#
- 2.e8B#
- 1...Rh2
- 2.Rxc8#
- 2.Qe8#
- 2.e8Q#
- 2.e8B#
- 1...Rh3
- 2.Rxc8#
- 2.Qe8#
- 2.e8Q#
- 2.e8B#
- 1...Sd4
- 2.Rxc8#
- 2.Qe8#
- 2.Qd5#
- 2.e8Q#
- 2.e8B#
- 1...Sh6
- 2.Rxc8#
- 2.Qe8#
- 2.Qd5#
- 2.e8Q#
- 2.e8B#
- 1...Sg7
- 2.Rxc8#
- 2.Qd5#
- 1...Sa7
- 2.Qe8#
- 2.e8Q#
- 2.e8B#
- 1...g2
- 2.Rxc8#
- 2.Qe8#
- 2.e8Q#
- 2.e8B#
- 1...b5
- 2.Qe8#
- 2.e8Q#
- 2.e8B#
- 1...Scxd6!
- threat
- 1.Bg2?
- threat
- 2.Rd4#
- 2.Re6#
- 1...Rxe3
- 2.Rxe3#
- 2.b5#
- 1...Sxe3
- 2.Rxe3#
- 2.Qb5#
- 1...Sfxd6
- 2.Re6#
- 2.Qd5#
- 1...Sfxe7
- 2.Rxe7#
- 2.Qb5#
- 1...Scxd6
- 2.Re6#
- 2.Rxb6#
- 1...Scxe7
- 2.Rxe7#
- 2.Rxb6#
- 1...Rd3
- 2.Rd4#
- 2.b5#
- 1...Sd4
- 2.Rxd4#
- 2.Qd5#
- 1...Rh2!
- threat
- 1.Rd4+?
- 1...g2
- 2.Bxg2#
- 1...Rxh1!
- 1...g2
- 1.Re6+?
- 1...g2
- 2.Bxg2#
- 1...Rxh1!
- 1...g2
- 1.e8Q?
- threat
- 2.Sc5#
- 2.Sxb6#
- 2.Sxf6#
- 2.Sf8#
- 1...Sfxd6
- 2.Se5#
- 2.Qd5#
- 1...Scxd6
- 2.Se5#
- 2.Rxb6#
- 1...Sg7
- 2.Qb5#
- 2.Qd5#
- 1...b5
- 2.Sc5#
- 2.Sb6#
- 2.Sxf6#
- 2.Sf8#
- 1...Rxb4!
- threat
- 1.e8B?
- threat
- 2.Sc5#
- 2.Sxb6#
- 2.Sxf6#
- 2.Sf8#
- 1...Sfxd6
- 2.Se5#
- 2.Qd5#
- 1...Scxd6
- 2.Se5#
- 2.Rxb6#
- 1...Sg7
- 2.Qb5#
- 2.Qd5#
- 1...b5
- 2.Sc5#
- 2.Sb6#
- 2.Sxf6#
- 2.Sf8#
- 1...Rxb4!
- threat
- 1.Sc5?
- Keys
- 1.Bf3!
- threat
- 2.Rd4#
- 2.Re6#
- 1...Rxe3
- 2.Rxe3#
- 2.b5#
- 1...Sxe3
- 2.Rxe3#
- 2.Qb5#
- 1...Sfxd6
- 2.Re6#
- 2.Qd5#
- 1...Sfxe7
- 2.Rxe7#
- 2.Qb5#
- 1...Scxd6
- 2.Re6#
- 2.Rxb6#
- 1...Scxe7
- 2.Rxe7#
- 2.Rxb6#
- 1...Rd3
- 2.Rd4#
- 2.b5#
- 1...Sd4
- 2.Rxd4#
- 2.Qd5#
- threat
- 1.Bf3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 11
- Sets
- R(b);N_GUARD::P(C)
- R(b);N_GUARD,XP(B)::P(C)
- S(e);OGATE,XP(B)::QAB1(H)
- S(e);OGATE::QAB1(H)
- S(e);OGATE,XP(I)::QAB1(H)
- S(e);OGATE,XP(K)::QAB1(H)
- S(i);N_GUARD,XP(I)::R1(L),XP(f)
- S(i);N_GUARD::R1(L),XP(f)
- S(i);N_GUARD,XP(K)::R1(L),XP(f)
- Tries
- Try
- S(J);
- Threat
- DUALS(4)
- Vars
- R(b);XP(C)::R(L),XS(i)
- S(e);OGATE,XP(I)::QAB1(H)
- S(e);XP(K)::QAB(H)
- S(i);XP(K)::QAB(H)
- Refutation
- S(i);XP(I)
- Try
- B(A);
- Threat
- DUALS(2)
- Refutation
- R(d);
- Try
- R(E);CHECK
- Vars
- P(c);P_SPINP(c)::B(A),XP(c)
- Refutation
- R(d);XB(A)
- Try
- R(E);CHECK
- Vars
- P(c);P_SPINP(c)::B(A),XP(c)
- Refutation
- R(d);XB(A)
- Try
- P(K);
- Threat
- DUALS(4)
- Refutation
- R(b);XP(C)
- Try
- P(K);
- Threat
- DUALS(4)
- Refutation
- R(b);XP(C)
- Try
- Actual
- B(A);
- Threat
- DUALS(2)
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).