MESON Chess Problem Database
Problem Display
PID: 89836 (8/8/8/8/5pK1/qR6/2r1PBBk/1Q4RN w - - 0 1)
Heyl, Peter
Die Schwalbe, 1999
#2
8 + 4
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Qc1
- 2.Rh3#
- 1...Qb2
- 2.Rh3#
- 1...Qb4
- 2.Rh3#
- 1...Qc5
- 2.Rh3#
- 1...Qd6
- 2.Rh3#
- 1...Qe7
- 2.Rh3#
- 1...Qf8
- 2.Rh3#
- 1...Qa1
- 2.Rh3#
- 1...Qa2
- 2.Rh3#
- 1...Qa4
- 2.Rh3#
- 1...Qa5
- 2.Rh3#
- 1...Qa6
- 2.Rh3#
- 1...Qa7
- 2.Rh3#
- 1...Qa8
- 2.Rh3#
- 1...Rc1
- 2.Qh7#
- 1...Ra2
- 2.Qh7#
- 1...Rb2
- 2.Qh7#
- 1...Rd2
- 2.Qh7#
- 1...Rxe2
- 2.Qh7#
- 1...Rc4
- 2.Qh7#
- 1...Rc8
- 2.Qh7#
- 1...f3
- 2.Bg3#
- 1...Qc1
- Tries
- 1.Sg3?
- threat
- 2.Sf1#
- 1...fxg3
- 2.Bxg3#
- 1...Rc1
- 2.Qh7#
- 1...Qc1!
- threat
- 1.Bf3?
- threat
- 2.Rg2#
- 1...Rc1
- 2.Qh7#
- 1...Qc1!
- threat
- 1.Be4?
- threat
- 2.Rg2#
- 1...Qc1
- 2.Rh3#
- 1...f3
- 2.Bg3#
- 1...Rc1!
- threat
- 1.Bc6?
- threat
- 2.Rg2#
- 1...Qc1
- 2.Rh3#
- 1...Rc1
- 2.Qh7#
- 1...f3
- 2.Bg3#
- 1...Rxc6!
- threat
- 1.Bb7?
- threat
- 2.Rg2#
- 1...Qc1
- 2.Rh3#
- 1...Rc1
- 2.Qh7#
- 1...f3
- 2.Bg3#
- 1...Rc6!
- threat
- 1.Ba8?
- threat
- 2.Rg2#
- 1...Qxa8
- 2.Rh3#
- 1...Qc1
- 2.Rh3#
- 1...Rc1
- 2.Qh7#
- 1...f3
- 2.Bg3#
- 1...Rc6!
- threat
- 1.Rxa3?
- threat
- 2.Rh3#
- 1...f3
- 2.Bg3#
- 1...Rc3!
- threat
- 1.Qxc2?
- threat
- 2.Qh7#
- 1...Qc5
- 2.Rh3#
- 1...Qd6
- 2.Rh3#
- 1...Qe7
- 2.Rh3#
- 1...Qf8
- 2.Rh3#
- 1...Qa5
- 2.Rh3#
- 1...Qa6
- 2.Rh3#
- 1...Qa7
- 2.Rh3#
- 1...Qxb3!
- threat
- 1.Sg3?
- Keys
- 1.Bd5!
- threat
- 2.Rg2#
- 1...Qc1
- 2.Rh3#
- 1...Rc1
- 2.Qh7#
- 1...f3
- 2.Bg3#
- threat
- 1.Bd5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 19
- Sets
- Q(c);N_GUARD::R1(G)
- Q(c);N_GUARD,SBLOCK::R1(G)
- R(a);OGATE::QAR(A)
- R(a);OGATE,SBLOCK::QAR(A)
- R(a);OGATE,XP(D)::QAR(A)
- P(d);N_GUARD::B(E)
- Tries
- Try
- S(C);
- Threat
- S(C)
- Vars
- P(d);OGATE,XS(C)::B(E),XP(d)
- R(a);OGATE::QAR(A)
- Refutation
- Q(c);
- Try
- B(F);
- Threat
- R1(B)
- Vars
- R(a);OGATE::QAR(A)
- Refutation
- Q(c);
- Try
- B(F);
- Threat
- R1(B)
- Vars
- Q(c);N_GUARD::R1(G)
- P(d);N_GUARD::B(E)
- Refutation
- R(a);
- Try
- B(F);
- Threat
- R1(B)
- Vars
- Q(c);N_GUARD::R1(G)
- R(a);OGATE::QAR(A)
- P(d);N_GUARD::B(E)
- Refutation
- R(a);XB(F)
- Try
- B(F);
- Threat
- R1(B)
- Vars
- Q(c);N_GUARD::R1(G)
- R(a);OGATE::QAR(A)
- P(d);N_GUARD::B(E)
- Refutation
- R(a);
- Try
- B(F);
- Threat
- R1(B)
- Vars
- Q(c);N_GUARD,XB(F)::R1(G)
- Q(c);N_GUARD::R1(G)
- R(a);OGATE::QAR(A)
- P(d);N_GUARD::B(E)
- Refutation
- R(a);
- Try
- R(G);XQ(c)
- Threat
- R1(G)
- Vars
- P(d);N_GUARD::B(E)
- Refutation
- R(a);
- Try
- Q(A);XR(a)
- Threat
- QAR(A)
- Vars
- Q(c);N_GUARD::R1(G)
- Refutation
- Q(c);XR(G)
- Try
- Actual
- B(F);
- Threat
- R1(B)
- Vars
- Q(c);N_GUARD::R1(G)
- R(a);OGATE::QAR(A)
- P(d);N_GUARD::B(E)
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).