MESON Chess Problem Database
Problem Display
PID: 79808 (2R5/3p4/B1pPN3/1r1NK3/2kB4/1p2p3/np6/1Qb5 w - - 0 1)
Savournin, Jacques
Europe Echecs, 1977
#2
8 + 9
SOLUTION
- SOUND
- Sets
- 1...c5
- 2.Rxc5#
- 1...dxe6
- 2.Rxc6#
- 1...c5
- Tries
- 1.Ke4?
- threat
- 2.Qd3#
- 1...Sb4
- 2.Sb6#
- 1...Sc3+!
- threat
- 1.Bc3?
- threat
- 2.Qe4#
- 1...dxe6
- 2.Rxc6#
- 1...Sxc3!
- threat
- 1.Bxe3?
- threat
- 2.Qe4#
- 1...Bxe3
- 2.Qf1#
- 1...Sc3!
- threat
- 1.Bc5?
- threat
- 2.Qe4#
- 1...cxd5
- 2.Ba3#
- 1...Sc3
- 2.Sb6#
- 1...dxe6!
- threat
- 1.Qc2+?
- 1...Sc3
- 2.Qxc3#
- 1...bxc2!
- 1...Sc3
- 1.Ke4?
- Keys
- 1.Sc5!
- threat
- 2.Qd3#
- 1...cxd5
- 2.Sd3#
- 1...Sb4
- 2.Sb6#
- threat
- 1.Sc5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 2
- Sets
- P(h);N_PINS(C),OGATE::R1(H),XP(h)
- P(i);N_GUARD,XS(G)::R(H),XP(h)
- Tries
- Try
- K(D);N_SPINS(C),P-FLIGHT
- Threat
- QAB1(A)
- Vars
- S(b);SBLOCK::S(C)
- Refutation
- S(b);CHECK
- Try
- B(B);
- Threat
- QAR2(A)
- Vars
- P(i);N_GUARD,XS(G)::R(H),XP(h)
- Refutation
- S(b);XB(B)
- Try
- B(B);XP(e)
- Threat
- QAR2(A)
- Vars
- B(a);OGATE,XB(B)::QAB(A)
- Refutation
- S(b);
- Try
- B(B);N_PINP(h),N_SPINS(C)
- Threat
- QAR2(A)
- Vars
- P(h);OGATEB,XS(C)::R(H)+B(B)
- S(b);SBLOCK::S(C)
- Refutation
- P(i);XS(G)
- Try
- Q(A);CHECK
- Vars
- S(b);N_GUARD,P_SPINS(b)::QAR1(A),XS(b)
- Refutation
- P(d);XQ(A)
- Try
- Actual
- S(G);N_PINP(h),N_SPINS(C)
- Threat
- QAB1(A)
- Vars
- P(h);XS(C)::R(H)+S(G)
- S(b);SBLOCK::S(C)
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).