MESON Chess Problem Database
Problem Display
PID: 147686 (1br5/n2Q2N1/6b1/r3k1K1/4p3/p2pRpn1/B2N4/3q4 w - - 0 1)
Zimanskis, AC
L'Italia Scacchistica, 1930
#2
6 + 12
SOLUTION
- SOUND
- Sets
- 1...Qc2
- 2.Sxf3#
- 1...Qb3
- 2.Sxf3#
- 1...Qa4
- 2.Sxf3#
- 1...Qa1
- 2.Sxf3#
- 1...Qb1
- 2.Sxf3#
- 1...Qc1
- 2.Sxf3#
- 1...Qe1
- 2.Sxf3#
- 1...Qg1
- 2.Sxf3#
- 1...Ra4
- 2.Qd5#
- 1...Rd5
- 2.Qxd5#
- 1...Ra6
- 2.Qd5#
- 1...Rc4
- 2.Sxc4#
- 1...Rd8
- 2.Sc4#
- 1...Re8
- 2.Sc4#
- 1...Rf8
- 2.Sc4#
- 1...Rg8
- 2.Sc4#
- 1...Rh8
- 2.Sc4#
- 1...Bc7
- 2.Sc4#
- 1...Se2
- 2.Sxf3#
- 1...Sf5
- 2.Rxe4#
- 1...Sb5
- 2.Qd5#
- 1...Sc6
- 2.Sc4#
- 1...Qc2
- Tries
- 1.Sb3?
- threat
- 2.Qe6#
- 2.Qd4#
- 1...Bd6
- 2.Qe6#
- 1...Qa1
- 2.Qe6#
- 1...Ra4
- 2.Qe6#
- 1...Rd5
- 2.Qe6#
- 2.Qe7#
- 1...Ra6
- 2.Qd4#
- 1...Rc4
- 2.Qe6#
- 1...Rc6
- 2.Qd4#
- 1...Rd8
- 2.Qe6#
- 1...Re8
- 2.Qd4#
- 1...Bf5
- 2.Qd4#
- 1...Bf7
- 2.Qd4#
- 1...Se2
- 2.Qe6#
- 1...Sf5
- 2.Qe6#
- 1...Sb5
- 2.Qe6#
- 1...Sc6
- 2.Qe6#
- 1...Qxb3!
- threat
- 1.Sf5?
- threat
- 2.Qe6#
- 2.Qd4#
- 2.Qe7#
- 2.Qg7#
- 1...Sxf5
- 2.Rxe4#
- 1...Qb3
- 2.Sxf3#
- 1...Qa4
- 2.Sxf3#
- 2.Qe6#
- 2.Qe7#
- 2.Qg7#
- 1...Qa1
- 2.Sxf3#
- 2.Qe6#
- 2.Qe7#
- 2.Qg7#
- 1...Ra4
- 2.Qe6#
- 2.Qd5#
- 2.Qe7#
- 2.Qg7#
- 1...Rd5
- 2.Qxd5#
- 2.Qe7#
- 1...Ra6
- 2.Qd4#
- 2.Qd5#
- 1...Rc4
- 2.Sxc4#
- 1...Rc6
- 2.Qd4#
- 1...Rc7
- 2.Qe6#
- 2.Qd4#
- 2.Qd6#
- 1...Rd8
- 2.Sc4#
- 2.Qe6#
- 2.Qe7#
- 2.Qg7#
- 1...Re8
- 2.Sc4#
- 2.Qd4#
- 2.Qg7#
- 1...Rf8
- 2.Sc4#
- 2.Qe6#
- 2.Qd4#
- 2.Qe7#
- 1...Rg8
- 2.Sc4#
- 2.Qe6#
- 2.Qd4#
- 2.Qe7#
- 1...Bf7
- 2.Qd4#
- 1...Bd6
- 2.Qe6#
- 2.Qxd6#
- 2.Qg7#
- 1...Se2
- 2.Sxf3#
- 2.Rxe4#
- 2.Qe6#
- 2.Qe7#
- 2.Qg7#
- 1...Sh5
- 2.Rxe4#
- 2.Qe6#
- 2.Qd4#
- 2.Qe7#
- 1...Sb5
- 2.Qe6#
- 2.Qd5#
- 2.Qe7#
- 2.Qg7#
- 1...Sc6
- 2.Sc4#
- 2.Qe6#
- 2.Qg7#
- 1...Bxf5!
- threat
- 1.Sb3?
- Keys
- 1.Se6!
- threat
- 2.Qd4#
- 1...Qb3
- 2.Sxf3#
- 1...Qa4
- 2.Sxf3#
- 1...Qa1
- 2.Sxf3#
- 1...Ra4
- 2.Qd5#
- 1...Rd5
- 2.Qxd5#
- 1...Rc4
- 2.Sxc4#
- 1...Rd8
- 2.Sc4#
- 1...Bd6
- 2.Qg7#
- 1...Se2
- 2.Sxf3#
- 1...Sf5
- 2.Rxe4#
- 1...Sb5
- 2.Qd5#
- 1...Sc6
- 2.Sc4#
- threat
- 1.Se6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 11
- Sets
- Q(a);N_GUARD::S(B),XP(d)
- R(g);N_GUARD::QAR1(E)
- R(g);N_GUARD::QAR1(E),XR(g)
- R(l);N_GUARD::S(B),XR(l)
- R(l);N_GUARD::S(B)
- B(k);S_CUTR(l)::S(B)
- S(e);S_CUTQ(a)::S(B),XP(d)
- S(e);N_GUARD,S_CUTB(i)::R1(C),XP(f)
- S(j);S_CUTR(g)::QAR1(E)
- S(j);S_CUTR(l)::S(B)
- Tries
- Try
- S(B);
- Threat
- DUALS(2)
- Vars
- B(k);::QAR1(E)
- Q(a);::QAR1(E)
- R(g);::QAR1(E)
- R(g);::QAB1(E)
- R(l);::QAR1(E)
- R(l);::QAB1(E)
- B(i);::QAB1(E)
- S(e);::QAR1(E)
- S(j);::QAR1(E)
- Refutation
- Q(a);XS(B)
- Try
- S(F);
- Threat
- DUALS(4)
- Vars
- S(e);N_GUARD,XS(F)::R1(C),XP(f)
- Q(a);N_GUARD::S(B),XP(d)
- R(l);N_GUARD::S(B),XR(l)
- R(l);::QAB1(E)
- B(i);::QAB1(E)
- Refutation
- B(i);XS(F)
- Try
- Actual
- S(F);
- Threat
- QAB1(E)
- Vars
- Q(a);N_GUARD::S(B),XP(d)
- R(g);N_GUARD::QAR1(E)
- R(g);N_GUARD::QAR1(E),XR(g)
- R(l);N_GUARD::S(B),XR(l)
- R(l);N_GUARD::S(B)
- B(k);SBLOCK::QAB(E)
- S(e);S_CUTQ(a)::S(B),XP(d)
- S(e);N_GUARD,S_CUTB(i)::R1(C),XP(f)
- S(j);S_CUTR(g)::QAR1(E)
- S(j);S_CUTR(l)::S(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).