MESON Chess Problem Database
Problem Display
PID: 121717 (7b/p1pR3b/K1p1P3/BBk1p3/5r2/6nr/1P3n2/3Q4 w - - 0 1)
Stocchi, Ottavio
Il Due Mosse, 1954
#2
7 + 11
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Rf3
- 2.b4#
- 1...Rf5
- 2.Qc2#
- 2.Qc1#
- 2.b4#
- 1...Rf6
- 2.b4#
- 1...Rf7
- 2.b4#
- 1...Rf8
- 2.b4#
- 1...Be4
- 2.b4#
- 1...Sfe4
- 2.b4#
- 1...Sge4
- 2.b4#
- 1...e4
- 2.b4#
- 1...cxb5
- 2.Rxc7#
- 2.Qd5#
- 1...Rf3
- Tries
- 1.Bb6+?
- 1...Kb4
- 2.Qa4#
- 1...cxb6
- 2.Qd6#
- 1...axb6!
- 1...Kb4
- 1.Qc2+?
- 1...Rc4
- 2.Qxc4#
- 2.b4#
- 1...Bxc2!
- 1...Rc4
- 1.Qc1+?
- 1...Rc4
- 2.Qxc4#
- 2.b4#
- 1...Bc2!
- 1...Rc4
- 1.Qd4+?
- 1...exd4
- 2.b4#
- 1...Rxd4!
- 1...exd4
- 1.Bb6+?
- Keys
- 1.Qf3!
- threat
- 2.Qxc6#
- 1...Rxf3
- 2.b4#
- 1...cxb5
- 2.Qd5#
- 1...Re4
- 2.Qf8#
- 1...Be4
- 2.Qa3#
- 2.Qc3#
- 2.Qe3#
- 2.b4#
- 1...Sfe4
- 2.Qa3#
- 2.Qe3#
- 2.b4#
- 1...Sge4
- 2.b4#
- 1...e4
- 2.Qa3#
- 2.b4#
- threat
- 1.Qf3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 6
- Sets
- R(d);N_GUARD::P(B)
- B(j);S_CUTR(d)::P(B)
- S(a);S_CUTR(d)::P(B)
- S(b);S_CUTR(d)::P(B)
- P(f);S_CUTR(d)::P(B)
- Tries
- Try
- B(C);CHECK
- Vars
- K(e);S_FLIGHT::QAR1(A)
- P(i);XB(C)::QAB1(A)
- Refutation
- P(h);XB(C)
- Try
- Q(A);CHECK
- Refutation
- B(j);XQ(A)
- Try
- Q(A);CHECK
- Refutation
- B(j);P_SPINB(j)
- Try
- Q(A);CHECK
- Vars
- P(f);XQ(A)::P(B)
- Refutation
- R(d);XQ(A)
- Try
- Actual
- Q(A);
- Threat
- QAR1(A),XP(g)
- Vars
- R(d);N_GUARD,XQ(A)::P(B)
- P(g);N_GUARD,XB(D)::QAR1(A)
- R(d);OGATE::QAB(A)
- S(b);S_CUTR(d)::P(B)
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).