MESON Chess Problem Database
Problem Display
PID: 137542 (3bb3/N2Q4/8/p1R5/qkNP4/6R1/1B1p1K2/1n1B4 w - - 0 1)
Mentasti, Gino
Source?, 1944
#2
9 + 7
| 6490 | yacpdb | 2010 |
SOLUTION
- SOUND
- Sets
- 1...Qb3
- 2.Rxb3#
- 1...Qc6
- 2.Sxc6#
- 1...Qa1
- 2.Sc6#
- 2.Rb3#
- 1...Qa2
- 2.Sc6#
- 1...Qa3
- 2.Sc6#
- 1...Bh5
- 2.Qxa4#
- 1...Bg6
- 2.Qxa4#
- 1...Bf7
- 2.Qxa4#
- 1...Sa3
- 2.Bc3#
- 1...Sc3
- 2.Bxc3#
- 1...Qb3
- Tries
- 1.Se3?
- threat
- 2.Sd5#
- 2.Rc4#
- 1...Qxd1
- 2.Sd5#
- 1...Qxd7
- 2.Rc4#
- 1...Qc2
- 2.Sxc2#
- 2.Sd5#
- 1...Qb5
- 2.Sd5#
- 2.Rxb5#
- 1...Qc6
- 2.Sxc6#
- 1...Qa2
- 2.Sc2#
- 2.Sc6#
- 2.Rb5#
- 1...Bf7
- 2.Qxa4#
- 1...Sa3
- 2.Sd5#
- 2.Bc3#
- 1...Sc3
- 2.Rc4#
- 1...Qb3!
- threat
- 1.Se5?
- threat
- 2.Sd3#
- 2.Rc4#
- 1...Qxd1
- 2.Rc4#
- 1...Qb3
- 2.Rxb3#
- 1...Qb5
- 2.Rxb5#
- 1...Qc6
- 2.Sd3#
- 2.Sexc6#
- 2.Saxc6#
- 1...Qa2
- 2.Sd3#
- 2.Sec6#
- 2.Sac6#
- 2.Rb5#
- 1...Qa3
- 2.Sec6#
- 2.Sac6#
- 2.Rc4#
- 2.Rb5#
- 1...Bg6
- 2.Rc4#
- 2.Qxa4#
- 1...Bf7
- 2.Sd3#
- 2.Qxa4#
- 1...Sa3
- 2.Sd3#
- 2.Bc3#
- 1...Qc2!
- threat
- 1.Sb6?
- threat
- 2.Sd5#
- 2.Rc4#
- 1...Qxd7
- 2.Rb3#
- 2.Rc4#
- 1...Qc2
- 2.Sd5#
- 2.Sc6#
- 2.Rb5#
- 1...Qb3
- 2.Sc6#
- 2.Rxb3#
- 2.Rb5#
- 1...Qb5
- 2.Sd5#
- 2.Rb3#
- 2.Rxb5#
- 1...Qc6
- 2.Sxc6#
- 2.Rb3#
- 1...Qa2
- 2.Sc6#
- 2.Rb5#
- 1...Bf7
- 2.Qxa4#
- 1...Sa3
- 2.Sd5#
- 2.Bc3#
- 1...Sc3
- 2.Rc4#
- 1...Bxb6!
- threat
- 1.Sd6?
- threat
- 2.Rc4#
- 1...Qb3
- 2.Rxb3#
- 1...Qb5
- 2.Rxb5#
- 1...Qc6
- 2.Sxc6#
- 1...Qa2
- 2.Sc6#
- 2.Rb5#
- 1...Bf7
- 2.Qxa4#
- 1...Sa3
- 2.Bc3#
- 1...Qc2!
- threat
- 1.Ba3+?
- 1...Qxa3
- 2.Sc6#
- 1...Sxa3!
- 1...Qxa3
- 1.Rb5+?
- 1...Kxc4
- 2.Be2#
- 2.Qe6#
- 2.Qd5#
- 1...Qxb5!
- 1...Kxc4
- 1.Se3?
- Keys
- 1.Sa3!
- threat
- 2.Rc4#
- 1...Qxa3
- 2.Sc6#
- 1...Sxa3
- 2.Bc3#
- 1...Qc2
- 2.Sxc2#
- 1...Qb3
- 2.Rxb3#
- 1...Qb5
- 2.Rxb5#
- 1...Qc6
- 2.Sxc6#
- 1...Bf7
- 2.Qxa4#
- threat
- 1.Sa3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 4
- Sets
- Q(c);N_GUARD::R1(D),XQ(c)
- Q(c);N_GUARD::S(H),XQ(c)
- Q(c);N_GUARD::S(H)
- B(g);N_GUARD::QAR1(I),XQ(c)
- S(a);N_GUARD::B(B)
- S(a);N_GUARD::B(B),XS(a)
- Tries
- Try
- S(E);
- Threat
- DUALS(2)
- Vars
- Q(c);XB(A)::S(E)
- Q(c);XQ(I)::R1(G)
- Q(c);N_GUARD::S(H),XQ(c)
- B(g);N_GUARD::QAR1(I),XQ(c)
- S(a);::R1(G)
- Refutation
- Q(c);
- Try
- S(E);
- Threat
- DUALS(2)
- Vars
- Q(c);XB(A)::R1(G)
- Q(c);N_GUARD::R1(D),XQ(c)
- Q(c);N_GUARD::R1(G),XQ(c)
- Refutation
- Q(c);
- Try
- S(E);
- Threat
- DUALS(2)
- Vars
- B(g);N_GUARD::QAR1(I),XQ(c)
- S(a);::R1(G)
- Refutation
- B(f);XS(E)
- Try
- S(E);
- Threat
- R1(G)
- Vars
- Q(c);N_GUARD::R1(D),XQ(c)
- Q(c);N_GUARD::R1(G),XQ(c)
- Q(c);N_GUARD::S(H),XQ(c)
- B(g);N_GUARD::QAR1(I),XQ(c)
- S(a);N_GUARD,SBLOCK::B(B)
- Refutation
- Q(c);
- Try
- B(B);CHECK
- Vars
- Q(c);XB(B)::S(H)
- Refutation
- S(a);XB(B)
- Try
- R(G);CHECK
- Refutation
- Q(c);XR(G)
- Try
- Actual
- S(E);
- Threat
- R1(G)
- Vars
- Q(c);N_GUARD,XS(E)::S(H)
- S(a);N_GUARD,SBLOCK,XS(E)::B(B)
- Q(c);N_GUARD::S(E),XQ(c)
- Q(c);N_GUARD::R1(D),XQ(c)
- Q(c);N_GUARD::R1(G),XQ(c)
- Q(c);N_GUARD::S(H),XQ(c)
- B(g);N_GUARD::QAR1(I),XQ(c)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
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