MESON Chess Problem Database
Problem Display
PID: 228990 (2q5/Bnpn2Pp/1r1p3K/8/pPNk1Np1/p5P1/Q1BP4/7b w - - 0 1)
Mari, Alberto
Il Secolo, 1926
#2
10 + 12
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Bd5
- 2.Se2#
- 1...d5+
- 2.Se6#
- 1...Bd5
- Tries
- 1.Sxa3?
- threat
- 2.Qa1#
- 2.Qb2#
- 1...Ke5
- 2.Qa1#
- 2.Qb2#
- 1...d5+!
- threat
- 1.Se3?
- threat
- 2.Qa1#
- 1...Ke5
- 2.Qa1#
- 1...d5+!
- threat
- 1.Sa5?
- threat
- 2.Qa1#
- 1...d5+
- 2.Sc6#
- 1...Ke5
- 2.Qa1#
- 1...Sxa5!
- threat
- 1.Qb3?
- threat
- 2.Qc3#
- 2.Qd3#
- 1...d5+
- 2.Se6#
- 1...Be4
- 2.Qc3#
- 1...Sbc5
- 2.Qc3#
- 1...Sdc5
- 2.Qc3#
- 1...Se5
- 2.Qc3#
- 1...axb3!
- threat
- 1.Qb2+?
- 1...Kxc4
- 2.Bd3#
- 1...axb2!
- 1...Kxc4
- 1.Sxa3?
- Keys
- 1.Se5!
- threat
- 2.Qa1#
- 1...dxe5+
- 2.Se6#
- 1...d5+
- 2.Sc6#
- 1...Kxe5
- 2.Qa1#
- 1...Sxe5
- 2.Se2#
- threat
- 1.Se5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 3
- REMOVED MATES = 1
- Sets
- B(a);SBLOCK::S(G)
- P(g);CHECK,SBLOCK::S(G)
- Tries
- Try
- S(F);XP(b)
- Threat
- DUALS(2)
- Refutation
- P(g);CHECK
- Try
- S(F);
- Threat
- QAB(A)
- Vars
- K(d);N_SPINR(f),S_FLIGHT::QAB(A)
- Refutation
- P(g);CHECK
- Try
- S(F);
- Threat
- QAB(A)
- Vars
- P(g);CHECK,S_CUTB(a)::S(F)
- K(d);N_SPINR(f),S_FLIGHT::QAB(A)
- Refutation
- S(h);XS(F)
- Try
- Q(A);
- Threat
- DUALS(2)
- Vars
- P(g);CHECK,SBLOCK::S(G)
- B(a);::QAB1(A)
- S(h);N_SPINR(f)::QAB1(A)
- S(j);N_SPINR(f)::QAB1(A)
- S(j);::QAB1(A)
- Refutation
- P(c);XQ(A)
- Try
- Q(A);CHECK
- Vars
- K(d);N_SPINR(f),P-FLIGHT,XS(F)::B(B)
- Refutation
- P(b);XQ(A)
- Try
- Actual
- S(F);
- Threat
- QAB(A)
- Vars
- P(g);CHECK,SBLOCK,XS(F)::S(G)
- P(g);CHECK,S_CUTB(a)::S(F)
- K(d);N_SPINR(f),S_FLIGHT,XS(F)::QAB(A)
- S(j);SBLOCK,XS(F)::S(G)
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).