MESON Chess Problem Database
Problem Display
PID: 185948 (K2n2R1/Npk2rn1/5N2/2PR2pb/B3p3/4B3/prQ5/1q6 w - - 0 1)
Heyl, Peter
Freie Presse, 2000
(First published on Fri Mar 10 2000)
#2
9 + 11
| 15391 | Problemschach-Jahrbuch (2000) | 2001 |
SOLUTION
- SOUND
- Sets
- 1...Rb3
- 2.Qh2#
- 1...Rb4
- 2.Qh2#
- 1...Rb5
- 2.Qh2#
- 1...Rb6
- 2.cxb6#
- 1...Rxf6
- 2.Rd7#
- 1...Rd7
- 2.Rxd7#
- 1...Rf8
- 2.Rd7#
- 1...Sf5
- 2.Se8#
- 1...Sge6
- 2.Se8#
- 1...Se8
- 2.Sxe8#
- 1...Sc6
- 2.Rc8#
- 1...Sde6
- 2.Rc8#
- 1...g4
- 2.Bf4#
- 1...b5
- 2.cxb5 ep#
- 1...b6
- 2.cxb6#
- 1...Rb3
- Tries
- 1.Sb5+?
- 1...Kc6
- 2.Rd6#
- 1...Kc8
- 2.Rdxd8#
- 2.Rgxd8#
- 1...Rxb5!
- 1...Kc6
- 1.Bd4?
- threat
- 2.Be5#
- 1...Rxf6
- 2.Rd7#
- 1...Rb6
- 2.cxb6#
- 1...Rd7
- 2.Rxd7#
- 1...Sf5
- 2.Se8#
- 1...Se8
- 2.Sxe8#
- 1...Sc6
- 2.Rc8#
- 1...Re7!
- threat
- 1.Rd1?
- threat
- 2.Sd5#
- 1...Rxf6
- 2.Rd7#
- 1...Rb5
- 2.Qh2#
- 1...Rd7
- 2.Rxd7#
- 1...Sc6
- 2.Rc8#
- 1...b5
- 2.cxb5 ep#
- 1...Qxd1!
- threat
- 1.Rd2?
- threat
- 2.Sd5#
- 1...Rxf6
- 2.Rd7#
- 1...Rd7
- 2.Rxd7#
- 1...Sc6
- 2.Rc8#
- 1...b5
- 2.cxb5 ep#
- 1...Rb5!
- threat
- 1.Rd4?
- threat
- 2.Sd5#
- 1...Rxf6
- 2.Rd7#
- 1...Rb5
- 2.Qh2#
- 1...Rd7
- 2.Rxd7#
- 1...Sc6
- 2.Rc8#
- 1...b5!
- threat
- 1.Rd6?
- threat
- 2.Sd5#
- 1...Rxf6
- 2.Rd7#
- 1...Qd1!
- threat
- 1.Rdxd8?
- threat
- 2.Sd5#
- 2.Rc8#
- 1...Rxf6
- 2.Rd7#
- 2.Rc8#
- 1...Se8
- 2.Rc8#
- 1...Qd1
- 2.Rc8#
- 1...Rd7
- 2.Rxd7#
- 2.Rc8#
- 1...Bg4
- 2.Sd5#
- 1...Rf8!
- threat
- 1.Rxg7?
- threat
- 2.Se8#
- 1...Rd7
- 2.Rdxd7#
- 2.Rgxd7#
- 1...Re7
- 2.Rxe7#
- 1...Rxg7!
- threat
- 1.Rgxd8?
- threat
- 2.Rc8#
- 1...Rf8
- 2.Rd7#
- 1...Bg4!
- threat
- 1.Qc3?
- threat
- 2.Qe5#
- 1...Rxf6
- 2.Rd7#
- 1...Rb6
- 2.cxb6#
- 1...Rd7
- 2.Rxd7#
- 1...Sf5
- 2.Se8#
- 1...Se8
- 2.Sxe8#
- 1...Sc6
- 2.Rc8#
- 1...Re7!
- threat
- 1.Sb5+?
- Keys
- 1.Rd3!
- threat
- 2.Sd5#
- 1...Rxf6
- 2.Rd7#
- 1...Rb5
- 2.Qh2#
- 1...Rd7
- 2.Rxd7#
- 1...Sc6
- 2.Rc8#
- 1...b5
- 2.cxb5 ep#
- threat
- 1.Rd3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 10
- Sets
- R(c);N_GUARD::QAB(A)
- R(c);OGATE::QAR(A)+P(D)DCHECK,XR(c)
- R(i);N_GUARD,XS(F)::R1(E)
- R(i);N_GUARD::R1(E),XR(i)
- R(i);N_GUARD::R1(E)
- S(j);N_GUARD::S(F)
- S(j);N_GUARD::S(F),XS(j)
- S(k);OGATE::R1(I)
- P(e);N_GUARD::B(B)
- P(g);OGATE::QAR(A)+P(D)DCHECK,XP(g),EP
- P(g);OGATE::QAR(A)+P(D)DCHECK,XP(g)
- Tries
- Try
- S(G);CHECK
- Vars
- K(h);P-FLIGHT::R1(E)
- Refutation
- R(c);XS(G)
- Try
- B(B);
- Threat
- B(B)
- Vars
- R(i);N_GUARD,XS(F)::R1(E)
- R(c);OGATE::QAR(A)+P(D)DCHECK,XR(c)
- R(i);N_GUARD::R1(E),XR(i)
- S(j);N_GUARD::S(F)
- S(j);N_GUARD::S(F),XS(j)
- S(k);OGATE::R1(I)
- Refutation
- R(i);
- Try
- R(E);
- Threat
- S(F)
- Vars
- R(i);N_GUARD,XS(F)::R1(E)
- R(c);N_GUARD::QAB(A)
- R(i);N_GUARD::R1(E),XR(i)
- S(k);OGATE::R1(I)
- P(g);OGATE::QAR(A)+P(D)DCHECK,XP(g),EP
- Refutation
- Q(a);XR(E)
- Try
- R(E);
- Threat
- S(F)
- Vars
- R(i);N_GUARD,XS(F)::R1(E)
- R(i);N_GUARD::R1(E),XR(i)
- S(k);OGATE::R1(I)
- P(g);OGATE::QAR(A)+P(D)DCHECK,XP(g),EP
- Refutation
- R(c);
- Try
- R(E);
- Threat
- S(F)
- Vars
- R(i);N_GUARD,XS(F)::R1(E)
- R(c);N_GUARD::QAB(A)
- R(i);N_GUARD::R1(E),XR(i)
- S(k);OGATE::R1(I)
- Refutation
- P(g);
- Try
- R(E);
- Threat
- S(F)
- Vars
- R(i);N_GUARD,XS(F)::R1(E)
- Refutation
- Q(a);
- Try
- R(E);XS(k)
- Threat
- DUALS(2)
- Vars
- S(j);::R1(E)
- Q(a);::R1(E)
- B(f);::S(F)
- Refutation
- R(i);P_PINR(E)
- Try
- R(I);P_PINR(i),XS(j)
- Threat
- S(F)
- Vars
- R(i);OGATE::R(I),XR(i)
- Refutation
- R(i);N_SPINR(i),XR(I)
- Try
- R(I);XS(k)
- Threat
- R1(I)
- Vars
- R(i);N_GUARD,P_PINR(I)::R1(E)
- Refutation
- B(f);
- Try
- Q(A);
- Threat
- QAB(A)
- Vars
- R(i);N_GUARD,XS(F)::R1(E)
- R(c);OGATE::QAR(A)+P(D)DCHECK,XR(c)
- R(i);N_GUARD::R1(E),XR(i)
- S(j);N_GUARD::S(F)
- S(j);N_GUARD::S(F),XS(j)
- S(k);OGATE::R1(I)
- Refutation
- R(i);
- Try
- Actual
- R(E);
- Threat
- S(F)
- Vars
- R(i);N_GUARD,XS(F)::R1(E)
- R(c);N_GUARD::QAB(A)
- R(i);N_GUARD::R1(E),XR(i)
- S(k);OGATE::R1(I)
- P(g);OGATE::QAR(A)+P(D)DCHECK,XP(g),EP
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).