MESON Chess Problem Database
Problem Display
PID: 198178 (2K5/2p2Q2/5P1B/R1N2k2/2rR4/4P2b/8/8 w - - 0 1)
Guidelli, Giorgio
Good Companions, 1920
#2
8 + 4
| 6490 | yacpdb | 2019 |
SOLUTION
- SOUND
- Sets
- 1...Ke5+
- 2.Sd7#
- 1...Rxc5
- 2.Rxc5#
- 1...Bg4
- 2.Rd5#
- 1...Ke5+
- Tries
- 1.Sb3+?
- 1...Rc5
- 2.Rxc5#
- 1...c5!
- 1...Rc5
- 1.Sd3+?
- 1...Rc5
- 2.Rf4#
- 2.Rxc5#
- 1...c5!
- 1...Rc5
- 1.Sa4+?
- 1...Rc5
- 2.Rxc5#
- 1...c5!
- 1...Rc5
- 1.Sa6+?
- 1...Rc5
- 2.Rxc5#
- 1...c5!
- 1...Rc5
- 1.Se6+?
- 1...Rc5
- 2.Rxc5#
- 1...c5!
- 1...Rc5
- 1.Sb7+?
- 1...Rc5
- 2.Rxc5#
- 1...c5!
- 1...Rc5
- 1.Sd7+?
- 1...Rc5
- 2.Rf4#
- 2.Rxc5#
- 1...c5!
- 1...Rc5
- 1.Sb3+?
- Keys
- 1.Bg7!
- threat
- 2.Qh5#
- 1...Ke5+
- 2.Sd7#
- 1...Kg5+
- 2.Se6#
- 1...Rxc5
- 2.Rxc5#
- 1...Bg4
- 2.Rd5#
- threat
- 1.Bg7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- K(c);CHECK,P-FLIGHT::R(C)+S(D),DCHECK
- R(b);OGATE,P_SPINR(b),XS(D)::R(C),XR(b)
- B(a);SBLOCK::R(B)
- Tries
- Try
- S(D);CHECK
- Vars
- R(b);N_GUARD,P_SPINR(b)::R(C),XR(b)
- Refutation
- P(d);P_SPINP(d)
- Try
- S(D);CHECK
- Refutation
- P(d);P_SPINP(d)
- Try
- S(D);CHECK
- Vars
- R(b);N_GUARD,P_SPINR(b)::R(C),XR(b)
- Refutation
- P(d);P_SPINP(d)
- Try
- S(D);CHECK
- Vars
- R(b);N_GUARD,P_SPINR(b)::R(C),XR(b)
- Refutation
- P(d);P_SPINP(d)
- Try
- S(D);CHECK
- Vars
- R(b);N_GUARD,P_SPINR(b)::R(C),XR(b)
- Refutation
- P(d);P_SPINP(d)
- Try
- S(D);CHECK
- Vars
- R(b);N_GUARD,P_SPINR(b)::R(C),XR(b)
- Refutation
- P(d);P_SPINP(d)
- Try
- S(D);CHECK
- Refutation
- P(d);P_SPINP(d)
- Try
- Actual
- B(F);
- Threat
- QAR2(G)
- Vars
- K(c);CHECK,P-FLIGHT::R(C)+S(D),DCHECK
- R(b);OGATE,P_SPINR(b),XS(D)::R(C),XR(b)
- B(a);SBLOCK::R(B)
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).