MESON Chess Problem Database
Problem Display
PID: 118219 (4Rr2/8/B6B/1R6/2ppn3/N1pk3N/2p1p1nK/1bQ5 w - - 0 1)
Piatesi, Antonio
Canadian Chess Chat, 1981
#2
8 + 10
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Ba2
- 2.Qxc2#
- 1...Sf6
- 2.Sf2#
- 1...Ba2
- Tries
- 1.Rxb1?
- threat
- 2.Bxc4#
- 2.Qxc2#
- 1...cxb1Q
- 2.Bxc4#
- 1...cxb1S
- 2.Bxc4#
- 2.Qc2#
- 1...cxb1B
- 2.Bxc4#
- 1...cxb1R
- 2.Bxc4#
- 2.Qc2#
- 1...e1S
- 2.Bxc4#
- 1...Rf4
- 2.Bxc4#
- 1...Se1
- 2.Bxc4#
- 1...Sf4
- 2.Bxc4#
- 1...Sd2
- 2.Qxc2#
- 1...Sd6
- 2.Qxc2#
- 1...Se3!
- threat
- 1.Rb3?
- threat
- 2.Bxc4#
- 1...Sd2
- 2.Qxd2#
- 1...Sd6
- 2.Qd2#
- 1...Se3!
- threat
- 1.Qe3+?
- 1...dxe3
- 2.Rd5#
- 1...Sxe3!
- 1...dxe3
- 1.Rxb1?
- Keys
- 1.Rf5!
- threat
- 2.Bxc4#
- 1...Se3
- 2.Sf4#
- 1...Ba2
- 2.Qxc2#
- 1...Sd2
- 2.Sf2#
- 1...Sd6
- 2.Sf2#
- threat
- 1.Rf5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 1
- Sets
- B(a);N_GUARD::QAB1(A),XP(b)
- S(i);N_GUARD,S_CUTR(j)::S(D)
- Tries
- Try
- R(E);P_PINP(g),XB(a)
- Threat
- DUALS(2)
- Vars
- P(b);XR(E)::B(F),XP(g)
- P(c);::B(F),XP(g)
- R(j);::B(F),XP(g)
- S(d);::B(F),XP(g)
- S(i);::QAB1(A),XP(b)
- Refutation
- S(d);
- Try
- R(E);P_PINP(e)
- Threat
- B(F),XP(g)
- Vars
- S(i);N_GUARD::QAR1(A),XS(i)
- S(i);N_GUARD::QAR1(A)
- Refutation
- S(d);
- Try
- Q(A);CHECK
- Vars
- P(h);S_CUTS(d),XQ(A)::R(E)
- Refutation
- S(d);XQ(A)
- Try
- Actual
- R(E);P_PINP(g)
- Threat
- B(F),XP(g)
- Vars
- S(d);N_GUARD::S(D)
- B(a);N_GUARD::QAB1(A),XP(b)
- S(i);N_GUARD::S(D)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
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