MESON Chess Problem Database
Problem Display
PID: 137515 (4r1N1/4n2Q/1R1BPP2/p2k1P2/n1RPp1p1/1PPN2K1/8/2b5 w - - 0 1)
Heyl, Peter
Freie Presse, 1999
#2
13 + 8
| 14503 | Problemschach-Jahrbuch (1999) | 2000 |
SOLUTION
- SOUND
- Sets
- 1...Ra8
- 2.Sxe7#
- 1...Rb8
- 2.Sxe7#
- 1...Rc8
- 2.Sxe7#
- 1...Rd8
- 2.Sxe7#
- 1...Rf8
- 2.Sxe7#
- 1...Bb2
- 2.Sf4#
- 1...Ba3
- 2.Sf4#
- 1...Bf4+
- 2.Sxf4#
- 1...Sb2
- 2.Rc5#
- 1...Sc5
- 2.Rxc5#
- 1...Sxf5+
- 2.Qxf5#
- 1...Sg6
- 2.Qb7#
- 1...Sc8
- 2.Qb7#
- 1...Sxg8
- 2.Qb7#
- 1...exd3
- 2.Qh1#
- 1...e3
- 2.Qh1#
- 1...Ra8
- Tries
- 1.Ba3?
- threat
- 2.Rd6#
- 1...Bf4+
- 2.Sxf4#
- 1...Sxf5+
- 2.Qxf5#
- 1...Bxa3
- 2.Sf4#
- 1...exd3
- 2.Qh1#
- 1...e3
- 2.Qh1#
- 1...Rd8
- 2.Sxe7#
- 1...Sc5
- 2.Rxc5#
- 1...Sc6
- 2.Qd7#
- 1...Sc8
- 2.Qb7#
- 1...Sxb6!
- threat
- 1.Bb4?
- threat
- 2.Rd6#
- 1...Bf4+
- 2.Sxf4#
- 1...Sxf5+
- 2.Qxf5#
- 1...exd3
- 2.Qh1#
- 1...axb4
- 2.Sxb4#
- 1...e3
- 2.Qh1#
- 1...Rd8
- 2.Sxe7#
- 1...Sc5
- 2.Rxc5#
- 1...Sc6
- 2.Qd7#
- 1...Sc8
- 2.Qb7#
- 1...Sxb6!
- threat
- 1.Bf4?
- threat
- 2.Rd6#
- 1...Bxf4+
- 2.Sxf4#
- 1...Sxf5+
- 2.Qxf5#
- 1...Sxb6
- 2.Rc5#
- 1...exd3
- 2.Qh1#
- 1...e3
- 2.Qh1#
- 1...Rd8
- 2.Sxe7#
- 1...Sc6
- 2.Qd7#
- 1...Sc8
- 2.Qb7#
- 1...Ba3!
- threat
- 1.Bc5?
- threat
- 2.Rd6#
- 1...Bf4+
- 2.Sxf4#
- 1...Sxf5+
- 2.Qxf5#
- 1...Sxc5
- 2.Rxc5#
- 1...exd3
- 2.Qh1#
- 1...e3
- 2.Qh1#
- 1...Rd8
- 2.Sxe7#
- 1...Sc6
- 2.Qd7#
- 1...Sc8
- 2.Qb7#
- 1...Sxb6!
- threat
- 1.Be5?
- threat
- 2.Rd6#
- 1...Bf4+
- 2.Sxf4#
- 1...Sxb6
- 2.Rc5#
- 1...exd3
- 2.Qh1#
- 1...e3
- 2.Qh1#
- 1...Rd8
- 2.Sxe7#
- 1...Ba3
- 2.Sf4#
- 1...Sc6
- 2.Qd7#
- 1...Sc8
- 2.Qb7#
- 1...Sxf5+!
- threat
- 1.Bc7?
- threat
- 2.Rd6#
- 1...Bf4+
- 2.Sxf4#
- 1...Sxf5+
- 2.Qxf5#
- 1...Sxb6
- 2.Rc5#
- 1...exd3
- 2.Qh1#
- 1...e3
- 2.Qh1#
- 1...Rd8
- 2.Sxe7#
- 1...Ba3
- 2.Sf4#
- 1...Sc6
- 2.Qd7#
- 1...Sc8!
- threat
- 1.Bxe7?
- threat
- 2.Rd6#
- 1...Bf4+
- 2.Sxf4#
- 1...Rxe7
- 2.Sxe7#
- 1...Sxb6
- 2.Rc5#
- 1...exd3
- 2.Qh1#
- 1...e3
- 2.Qh1#
- 1...Ba3
- 2.Sf4#
- 1...Rd8!
- threat
- 1.Rxa4?
- threat
- 2.Rxa5#
- 1...Bf4+
- 2.Sxf4#
- 1...Sxf5+
- 2.Qxf5#
- 1...exd3
- 2.Qh1#
- 1...e3
- 2.Qh1#
- 1...Ra8
- 2.Sxe7#
- 1...Rc8
- 2.Sxe7#
- 1...Ba3
- 2.Sf4#
- 1...Sc6!
- threat
- 1.Ba3?
- Keys
- 1.Bb8!
- threat
- 2.Rd6#
- 1...Bf4+
- 2.Sxf4#
- 1...Sxf5+
- 2.Qxf5#
- 1...Rxb8
- 2.Sxe7#
- 1...Sxb6
- 2.Rc5#
- 1...exd3
- 2.Qh1#
- 1...e3
- 2.Qh1#
- 1...Rd8
- 2.Sxe7#
- 1...Ba3
- 2.Sf4#
- 1...Sc6
- 2.Qd7#
- 1...Sc8
- 2.Qb7#
- threat
- 1.Bb8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 8
- Sets
- R(h);N_GUARD::S(M),XS(g)
- B(a);N_GUARD::S(C)
- B(a);CHECK,N_GUARD::S(C),XB(a)
- S(b);N_GUARD::R1(E)
- S(b);N_GUARD::R1(E),XS(b)
- S(g);CHECK,OGATE,XP(G)::QAR2(L),XS(g)
- S(g);OGATE::QAB(L)
- S(g);OGATE,XS(M)::QAB(L)
- P(c);OGATEB,XS(C)::QAB(L)
- P(c);OGATEB::QAB(L)
- Tries
- Try
- B(I);
- Threat
- R1(H)
- Vars
- B(a);CHECK,N_GUARD::S(C),XB(a)
- S(g);CHECK,OGATE,XP(G)::QAR2(L),XS(g)
- B(a);N_GUARD,XB(I)::S(C)
- P(c);OGATEB,XS(C)::QAB(L)
- P(c);OGATEB::QAB(L)
- R(h);N_GUARD::S(M),XS(g)
- S(b);N_GUARD::R1(E),XS(b)
- S(g);OGATE::QAR2(L)
- S(g);OGATE::QAB(L)
- Refutation
- S(b);XR(H)
- Try
- B(I);
- Threat
- R1(H)
- Vars
- B(a);CHECK,N_GUARD::S(C),XB(a)
- S(g);CHECK,OGATE,XP(G)::QAR2(L),XS(g)
- P(c);OGATEB,XS(C)::QAB(L)
- P(e);XB(I)::S(C),XP(e)
- P(c);OGATEB::QAB(L)
- R(h);N_GUARD::S(M),XS(g)
- S(b);N_GUARD::R1(E),XS(b)
- S(g);OGATE::QAR2(L)
- S(g);OGATE::QAB(L)
- Refutation
- S(b);XR(H)
- Try
- B(I);
- Threat
- R1(H)
- Vars
- B(a);CHECK,XB(I)::S(C),XB(a)
- S(g);CHECK,OGATE,XP(G)::QAR2(L),XS(g)
- S(b);N_GUARD,XR(H)::R1(E)
- P(c);OGATEB,XS(C)::QAB(L)
- P(c);OGATEB::QAB(L)
- R(h);N_GUARD::S(M),XS(g)
- S(g);OGATE::QAR2(L)
- S(g);OGATE::QAB(L)
- Refutation
- B(a);
- Try
- B(I);
- Threat
- R1(H)
- Vars
- B(a);CHECK,N_GUARD::S(C),XB(a)
- S(g);CHECK,OGATE,XP(G)::QAR2(L),XS(g)
- S(b);OGATE,XB(I)::R1(E),XS(b)
- P(c);OGATEB,XS(C)::QAB(L)
- P(c);OGATEB::QAB(L)
- R(h);N_GUARD::S(M),XS(g)
- S(g);OGATE::QAR2(L)
- S(g);OGATE::QAB(L)
- Refutation
- S(b);XR(H)
- Try
- B(I);
- Threat
- R1(H)
- Vars
- B(a);CHECK,N_GUARD::S(C),XB(a)
- S(b);N_GUARD,XR(H)::R1(E)
- P(c);OGATEB,XS(C)::QAB(L)
- P(c);OGATEB::QAB(L)
- R(h);N_GUARD::S(M),XS(g)
- B(a);N_GUARD::S(C)
- S(g);OGATE::QAR2(L)
- S(g);OGATE::QAB(L)
- Refutation
- S(g);CHECK,XP(G)
- Try
- B(I);
- Threat
- R1(H)
- Vars
- B(a);CHECK,N_GUARD::S(C),XB(a)
- S(g);CHECK,OGATE,XP(G)::QAR2(L),XS(g)
- S(b);N_GUARD,XR(H)::R1(E)
- P(c);OGATEB,XS(C)::QAB(L)
- P(c);OGATEB::QAB(L)
- R(h);N_GUARD::S(M),XS(g)
- B(a);N_GUARD::S(C)
- S(g);OGATE::QAR2(L)
- Refutation
- S(g);
- Try
- B(I);XS(g)
- Threat
- R1(H)
- Vars
- B(a);CHECK,N_GUARD::S(C),XB(a)
- R(h);XB(I)::S(M),XR(h)
- S(b);N_GUARD,XR(H)::R1(E)
- P(c);OGATEB,XS(C)::QAB(L)
- P(c);OGATEB::QAB(L)
- B(a);N_GUARD::S(C)
- Refutation
- R(h);
- Try
- R(E);XS(b)
- Threat
- R(E),XP(e)
- Vars
- B(a);CHECK,N_GUARD::S(C),XB(a)
- S(g);CHECK,OGATE,XP(G)::QAR2(L),XS(g)
- P(c);OGATEB,XS(C)::QAB(L)
- P(c);OGATEB::QAB(L)
- R(h);N_GUARD::S(M),XS(g)
- B(a);N_GUARD::S(C)
- Refutation
- S(g);
- Try
- Actual
- B(I);
- Threat
- R1(H)
- Vars
- B(a);CHECK,N_GUARD::S(C),XB(a)
- S(g);CHECK,OGATE,XP(G)::QAR2(L),XS(g)
- R(h);N_GUARD,XB(I)::S(M),XS(g)
- S(b);N_GUARD,XR(H)::R1(E)
- P(c);OGATEB,XS(C)::QAB(L)
- P(c);OGATEB::QAB(L)
- R(h);N_GUARD::S(M),XS(g)
- B(a);N_GUARD::S(C)
- S(g);OGATE::QAR2(L)
- S(g);OGATE::QAB(L)
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).