MESON Chess Problem Database
Problem Display
PID: 267574 (4R1b1/3p4/4q3/4kN1N/R3B1P1/nQ2n3/K1Ppr3/6b1 w - - 0 1)
Bottacchi, Antonio
L'Illustrazione Italiana, 1918
#2
9 + 9
| 15601 | Albrecht-Leiss-Degener Collection | 2022 |
SOLUTION
- SOUND
- Sets
- 1...Sd1
- 2.Qd5#
- 1...Sf1
- 2.Qd5#
- 1...Sxc2
- 2.Qd5#
- 1...Sg2
- 2.Qd5#
- 1...Sxg4
- 2.Qd5#
- 1...Sd5
- 2.Qxd5#
- 1...Sxf5
- 2.Qd5#
- 1...d5
- 2.Qb8#
- 1...Sd1
- Tries
- 1.Bf3?
- threat
- 2.Re4#
- 1...Sexc2
- 2.Qd5#
- 1...Sxg4
- 2.Qd5#
- 1...Sxf5
- 2.Qd5#
- 1...Sac4
- 2.Qc3#
- 1...Sd1
- 2.Qd5#
- 1...Sf1
- 2.Qd5#
- 1...Sg2
- 2.Qd5#
- 1...Sd5
- 2.Qxd5#
- 1...d5
- 2.Qb8#
- 1...Sec4!
- threat
- 1.Bc6?
- threat
- 2.Re4#
- 1...Sexc2
- 2.Qd5#
- 1...Sxg4
- 2.Qd5#
- 1...Sxf5
- 2.Qd5#
- 1...Sac4
- 2.Qc3#
- 1...Sd1
- 2.Qd5#
- 1...Sf1
- 2.Qd5#
- 1...Sg2
- 2.Qd5#
- 1...Sec4
- 2.Qg3#
- 1...Sd5
- 2.Qxd5#
- 1...d5
- 2.Qb8#
- 1...dxc6!
- threat
- 1.Bb7?
- threat
- 2.Re4#
- 1...Sexc2
- 2.Qd5#
- 1...Sxg4
- 2.Qd5#
- 1...Sxf5
- 2.Qd5#
- 1...Sac4
- 2.Qc3#
- 1...Sd1
- 2.Qd5#
- 1...Sf1
- 2.Qd5#
- 1...Sg2
- 2.Qd5#
- 1...Sec4
- 2.Qg3#
- 1...Sd5
- 2.Qxd5#
- 1...d5!
- threat
- 1.Rxe6+?
- 1...dxe6
- 2.Qb2#
- 2.Qc3#
- 2.Qb8#
- 1...Bxe6!
- 1...dxe6
- 1.Bf3?
- Keys
- 1.Ba8!
- threat
- 2.Re4#
- 1...Sexc2
- 2.Qd5#
- 1...Sxg4
- 2.Qd5#
- 1...Sxf5
- 2.Qd5#
- 1...Sac4
- 2.Qc3#
- 1...Sd1
- 2.Qd5#
- 1...Sf1
- 2.Qd5#
- 1...Sg2
- 2.Qd5#
- 1...Sec4
- 2.Qg3#
- 1...Sd5
- 2.Qxd5#
- 1...d5
- 2.Qb8#
- threat
- 1.Ba8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- S(e);N_GUARD::QAR1(C)
- S(e);N_GUARD,XP(B)::QAR1(C)
- S(e);N_GUARD,XP(F)::QAR1(C)
- S(e);N_GUARD,N_PINQ(C)::QAR1(C),XS(e)
- S(e);N_GUARD,XS(G)::QAR1(C)
- P(h);N_PINQ(C)::QAB(C)
- Tries
- Try
- B(E);
- Threat
- R1(D)
- Vars
- S(e);N_GUARD,XP(B)::QAR1(C)
- S(e);N_GUARD,XP(F)::QAR1(C)
- S(e);N_GUARD,XS(G)::QAR1(C)
- S(d);N_PINQ(C)::QAB(C)
- S(e);N_GUARD::QAR1(C)
- S(e);N_GUARD,N_PINQ(C)::QAR1(C),XS(e)
- P(h);N_PINQ(C)::QAB(C)
- Refutation
- S(e);N_PINQ(C)
- Try
- B(E);
- Threat
- R1(D)
- Vars
- S(e);N_GUARD,XP(B)::QAR1(C)
- S(e);N_GUARD,XP(F)::QAR1(C)
- S(e);N_GUARD,XS(G)::QAR1(C)
- S(d);N_PINQ(C)::QAB(C)
- S(e);N_GUARD::QAR1(C)
- S(e);N_PINQ(C)::QAB(C)
- S(e);N_GUARD,N_PINQ(C)::QAR1(C),XS(e)
- P(h);N_PINQ(C)::QAB(C)
- Refutation
- P(h);XB(E)
- Try
- B(E);
- Threat
- R1(D)
- Vars
- S(e);N_GUARD,XP(B)::QAR1(C)
- S(e);N_GUARD,XP(F)::QAR1(C)
- S(e);N_GUARD,XS(G)::QAR1(C)
- S(d);N_PINQ(C)::QAB(C)
- S(e);N_GUARD::QAR1(C)
- S(e);N_PINQ(C)::QAB(C)
- S(e);N_GUARD,N_PINQ(C)::QAR1(C),XS(e)
- Refutation
- P(h);N_PINQ(C)
- Try
- R(I);CHECK,N_SPINQ(C),XQ(g)
- Refutation
- B(i);P_PINQ(C),XR(I)
- Try
- Actual
- B(E);
- Threat
- R1(D)
- Vars
- S(e);N_GUARD,XP(B)::QAR1(C)
- S(e);N_GUARD,XP(F)::QAR1(C)
- S(e);N_GUARD,XS(G)::QAR1(C)
- S(d);N_PINQ(C)::QAB(C)
- S(e);N_GUARD::QAR1(C)
- S(e);N_PINQ(C)::QAB(C)
- S(e);N_GUARD,N_PINQ(C)::QAR1(C),XS(e)
- P(h);N_PINQ(C)::QAB(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).