MESON Chess Problem Database
Problem Display
PID: 137265 (3n3K/Q4p1P/3N2Pk/1P4RP/4bpPP/b7/1r3p2/B2B4 w - - 0 1)
Heyl, Peter
Freie Presse, 1999
#2
12 + 8
| 14503 | Problemschach-Jahrbuch (1999) | 2000 |
SOLUTION
- SOUND
- Sets
- 1...Rb1
- 2.Bg7#
- 1...Ra2
- 2.Bg7#
- 1...Rc2
- 2.Bg7#
- 1...Rd2
- 2.Bg7#
- 1...Re2
- 2.Bg7#
- 1...Rb3
- 2.Bg7#
- 1...Rb4
- 2.Bg7#
- 1...Rxb5
- 2.Bg7#
- 1...Bh1
- 2.Sf5#
- 1...Bg2
- 2.Sf5#
- 1...Bf3
- 2.Sf5#
- 1...Bd5
- 2.Sf5#
- 1...Bf5
- 2.Sxf5#
- 1...Bc6
- 2.Sf5#
- 1...Bb7
- 2.Sf5#
- 1...Ba8
- 2.Sf5#
- 1...Sc6
- 2.Sxf7#
- 1...Se6
- 2.Sxf7#
- 1...Sb7
- 2.Sxf7#
- 1...fxg6
- 2.Qg7#
- 1...f5
- 2.Qg7#
- 1...f6
- 2.Qg7#
- 1...Rb1
- Tries
- 1.Kg8?
- threat
- 2.h8Q#
- 2.h8R#
- 1...Rxb5
- 2.Bg7#
- 2.h8Q#
- 2.h8R#
- 1...Bxd6
- 2.h8Q#
- 2.h8R#
- 1...fxg6
- 2.Qg7#
- 2.h8Q#
- 2.h8R#
- 1...f1Q
- 2.h8Q#
- 2.h8R#
- 1...f1S
- 2.h8Q#
- 2.h8R#
- 1...f1B
- 2.h8Q#
- 2.h8R#
- 1...f1R
- 2.h8Q#
- 2.h8R#
- 1...Rb1
- 2.Bg7#
- 2.h8Q#
- 2.h8R#
- 1...Ra2
- 2.Bg7#
- 2.h8Q#
- 2.h8R#
- 1...Rc2
- 2.Bg7#
- 2.h8Q#
- 2.h8R#
- 1...Rd2
- 2.Bg7#
- 2.h8Q#
- 2.h8R#
- 1...Re2
- 2.Bg7#
- 2.h8Q#
- 2.h8R#
- 1...Rb3
- 2.Bg7#
- 2.h8Q#
- 2.h8R#
- 1...Rb4
- 2.Bg7#
- 2.h8Q#
- 2.h8R#
- 1...Bb4
- 2.h8Q#
- 2.h8R#
- 1...Bc5
- 2.h8Q#
- 2.h8R#
- 1...Bb1
- 2.h8Q#
- 2.h8R#
- 1...Bh1
- 2.Sf5#
- 2.h8Q#
- 2.h8R#
- 1...Bc2
- 2.h8Q#
- 2.h8R#
- 1...Bg2
- 2.Sf5#
- 2.h8Q#
- 2.h8R#
- 1...Bd3
- 2.h8Q#
- 2.h8R#
- 1...Bf3
- 2.Sf5#
- 2.h8Q#
- 2.h8R#
- 1...Bd5
- 2.Sf5#
- 2.h8Q#
- 2.h8R#
- 1...Bf5
- 2.Sxf5#
- 2.h8Q#
- 2.h8R#
- 1...Bc6
- 2.Sf5#
- 2.h8Q#
- 2.h8R#
- 1...Bb7
- 2.Sf5#
- 2.h8Q#
- 2.h8R#
- 1...Ba8
- 2.Sf5#
- 2.h8Q#
- 2.h8R#
- 1...Sc6
- 2.Sxf7#
- 2.h8Q#
- 2.h8R#
- 1...Se6
- 2.Sxf7#
- 2.h8Q#
- 2.h8R#
- 1...Sb7
- 2.Sxf7#
- 2.h8Q#
- 2.h8R#
- 1...f3
- 2.h8Q#
- 2.h8R#
- 1...f5
- 2.Qg7#
- 2.h8Q#
- 2.h8R#
- 1...f6
- 2.Qg7#
- 2.h8Q#
- 2.h8R#
- 1...Bxg6!
- threat
- 1.Bxb2?
- threat
- 2.Bg7#
- 1...Se6
- 2.Sxf7#
- 1...f6
- 2.Qg7#
- 1...Bxb2+!
- threat
- 1.Rc5?
- threat
- 2.g5#
- 1...Re2
- 2.Bg7#
- 1...Bf3
- 2.Sf5#
- 1...Se6
- 2.Sxf7#
- 1...f6
- 2.Qg7#
- 1...f3!
- threat
- 1.Re5?
- threat
- 2.g5#
- 1...Bf3
- 2.Sf5#
- 1...Se6
- 2.Sxf7#
- 1...f3
- 2.Qe3#
- 1...f6
- 2.Qg7#
- 1...Re2!
- threat
- 1.Rf5?
- threat
- 2.g5#
- 1...Re2
- 2.Bg7#
- 1...Se6
- 2.Sxf7#
- 1...f3
- 2.Qe3#
- 1...f6
- 2.Qg7#
- 1...Bf3!
- threat
- 1.Qd4?
- threat
- 2.Qg7#
- 1...Se6
- 2.Sxf7#
- 1...f6!
- threat
- 1.Qe7?
- threat
- 2.Qf8#
- 1...Se6
- 2.Sxf7#
- 1...Bxd6!
- threat
- 1.Qxf7?
- threat
- 2.Qg7#
- 2.Qf8#
- 1...Sxf7+
- 2.Sxf7#
- 1...Bxd6
- 2.Qg7#
- 1...Se6!
- threat
- 1.Kg8?
- Keys
- 1.Rd5!
- threat
- 2.g5#
- 1...Re2
- 2.Bg7#
- 1...Bf3
- 2.Sf5#
- 1...Se6
- 2.Sxf7#
- 1...f3
- 2.Qe3#
- 1...f6
- 2.Qg7#
- threat
- 1.Rd5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 18
- Sets
- R(a);OGATE::B(A)
- R(a);OGATE,XP(E)::B(A)
- B(d);N_GUARD::S(H)
- B(d);N_GUARD::S(H),XB(d)
- S(h);N_GUARD::S(H),XP(g)
- P(g);OGATE,XP(I)::QAB1(J)
- P(g);OGATE::QAB1(J)
- Tries
- Try
- K(L);P-FLIGHT
- Threat
- P=Q
- Vars
- B(c);XS(H)::P=Q
- P(b);::P=Q
- B(c);::P=Q
- B(d);::P=Q
- P(e);::P=Q
- Refutation
- B(d);XP(I)
- Try
- B(A);XR(a)
- Threat
- B(A)
- Vars
- S(h);N_GUARD::S(H),XP(g)
- P(g);OGATE::QAB1(J)
- Refutation
- B(c);CHECK,XB(A)
- Try
- R(F);
- Threat
- P(C)
- Vars
- R(a);OGATE::B(A)
- B(d);N_GUARD::S(H)
- S(h);N_GUARD::S(H),XP(g)
- P(g);OGATE::QAB1(J)
- Refutation
- P(e);
- Try
- R(F);
- Threat
- P(C)
- Vars
- B(d);N_GUARD::S(H)
- S(h);N_GUARD::S(H),XP(g)
- P(e);OGATEB::QAB(J)
- P(g);OGATE::QAB1(J)
- Refutation
- R(a);
- Try
- R(F);
- Threat
- P(C)
- Vars
- R(a);OGATE::B(A)
- S(h);N_GUARD::S(H),XP(g)
- P(e);OGATEB::QAB(J)
- P(g);OGATE::QAB1(J)
- Refutation
- B(d);
- Try
- Q(J);
- Threat
- QAB1(J)
- Vars
- S(h);N_GUARD::S(H),XP(g)
- Refutation
- P(g);
- Try
- Q(J);
- Threat
- QAB(J)
- Vars
- S(h);N_GUARD::S(H),XP(g)
- Refutation
- B(c);XS(H)
- Try
- Q(J);XP(g)
- Threat
- DUALS(2)
- Vars
- S(h);CHECK,XQ(J)::S(H),XS(h)
- B(c);XS(H)::QAB1(J)
- Refutation
- S(h);
- Try
- Actual
- R(F);
- Threat
- P(C)
- Vars
- R(a);OGATE::B(A)
- B(d);N_GUARD::S(H)
- S(h);N_GUARD::S(H),XP(g)
- P(e);OGATEB::QAB(J)
- P(g);OGATE::QAB1(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).