MESON Chess Problem Database
Problem Display
PID: 261041 (6B1/2Bb1n2/NK2n1p1/1ppkp1Q1/1R6/6N1/8/8 w - - 0 1)
Pirrone, Santi
1st Prize, L'Italia Scacchistica, 1974
#2
7 + 8
| 15601 | Albrecht-Leiss-Degener Collection | 2022 |
SOLUTION
- SOUND
- Sets
- 1...Sd4
- 2.Qxe5#
- 1...Sf4
- 2.Qxe5#
- 1...Sg7
- 2.Qxe5#
- 1...Sed8
- 2.Qxe5#
- 1...Sf8
- 2.Qxe5#
- 1...Sd6
- 2.Qd2#
- 1...Sh6
- 2.Qd2#
- 2.Qxe5#
- 1...Sfd8
- 2.Qd2#
- 2.Qxe5#
- 1...Sh8
- 2.Qd2#
- 2.Qxe5#
- 1...Sd4
- Tries
- 1.Qe3?
- threat
- 2.Qe4#
- 1...Sd4
- 2.Qxe5#
- 1...Sf4
- 2.Qxe5#
- 1...Seg5
- 2.Qxe5#
- 1...Sg7
- 2.Qxe5#
- 1...Sed8
- 2.Qxe5#
- 1...Sf8
- 2.Qxe5#
- 1...Sfg5
- 2.Qd2#
- 2.Qxc5#
- 2.Qd3#
- 2.Qxe5#
- 1...Sd6
- 2.Qd2#
- 2.Qxc5#
- 2.Qd3#
- 1...e4
- 2.Qxe4#
- 1...Sxc7!
- threat
- 1.Qg4?
- threat
- 2.Qe4#
- 1...Sxc7
- 2.Qxd7#
- 1...Sd4
- 2.Qxd7#
- 1...Sf4
- 2.Qxd7#
- 1...Seg5
- 2.Qxd7#
- 1...Sg7
- 2.Qxd7#
- 1...Sed8
- 2.Qxd7#
- 1...Sfg5
- 2.Qd1#
- 1...Sd6
- 2.Qd1#
- 1...e4
- 2.Qxe4#
- 1...Sf8!
- threat
- 1.Qf5?
- threat
- 2.Qe4#
- 1...Sxc7
- 2.Qxd7#
- 1...Sd4
- 2.Qxd7#
- 2.Qxe5#
- 1...Sf4
- 2.Qxd7#
- 2.Qxe5#
- 1...Seg5
- 2.Qxd7#
- 2.Qxe5#
- 1...Sg7
- 2.Qxd7#
- 2.Qxe5#
- 1...Sed8
- 2.Qxd7#
- 2.Qxe5#
- 1...Sf8
- 2.Qxe5#
- 1...Sfg5
- 2.Qd3#
- 2.Qxe5#
- 1...Sd6
- 2.Qd3#
- 1...gxf5!
- threat
- 1.Qe3?
- Keys
- 1.Qxg6!
- threat
- 2.Qe4#
- 1...Sxc7
- 2.Sxc7#
- 1...Sd4
- 2.Qd6#
- 1...Sf4
- 2.Qd6#
- 1...Seg5
- 2.Qd6#
- 1...Sg7
- 2.Qd6#
- 1...Sed8
- 2.Qd6#
- 1...Sf8
- 2.Qd6#
- 1...Sfg5
- 2.Qd3#
- 1...Sd6
- 2.Qd3#
- 1...e4
- 2.Qxe4#
- threat
- 1.Qxg6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 6
- ADDED MATES = 4
- REMOVED MATES = 0
- Sets
- S(e);P_SPINS(h)::QAR1(C),XP(d)
- S(h);P_SPINS(e)::QAR(C)
- Tries
- Try
- Q(C);N_PINP(d)
- Threat
- QAB1(C)
- Vars
- S(e);P_SPINS(h)::QAR1(C),XP(d)
- P(d);::QAB1(C),XP(d)
- Refutation
- S(e);P_SPINS(h),XB(F)
- Try
- Q(C);N_PINP(d)
- Threat
- QAB1(C)
- Vars
- S(e);OGATE,P_SPINS(h),XB(F)::QAR2(C),XB(g)
- S(e);OGATE,P_SPINS(h)::QAR2(C),XB(g)
- S(h);P_SPINS(e)::QAR(C)
- P(d);::QAB1(C),XP(d)
- Refutation
- S(e);P_SPINS(h)
- Try
- Q(C);
- Threat
- QAB1(C)
- Vars
- S(e);OGATE,P_SPINS(h),XB(F)::QAR2(C),XB(g)
- S(e);P_SPINS(h)::QAR1(C),XP(d)
- S(h);P_SPINS(e)::QAR2(C)
- Refutation
- P(f);N_SPINP(d),XQ(C)
- Try
- Actual
- Q(C);N_PINP(d),XP(f)
- Threat
- QAB1(C)
- Vars
- S(e);P_SPINS(h),XB(F)::S(D),XS(e)
- S(e);OGATE,P_SPINS(h)::QAR1(C)
- S(h);P_SPINS(e)::QAR2(C)
- P(d);::QAB1(C),XP(d)
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).