MESON Chess Problem Database
Problem Display
PID: 109319 (4nQ2/qp6/p3p1Kb/3pkN2/6R1/1br1p2r/2pPRB2/4N2B w - - 0 1)
Sarkits, Anatoly L
Hlas l'udu, 1995
#2
9 + 13
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Qb8
- 2.d4#
- 1...Qa8
- 2.d4#
- 1...Rd3
- 2.Sxd3#
- 1...Rc4
- 2.Sd3#
- 1...Rc5
- 2.Sd3#
- 2.d4#
- 1...Rc6
- 2.Sd3#
- 1...Rc7
- 2.Sd3#
- 1...Rc8
- 2.Sd3#
- 1...Rxh1
- 2.Sf3#
- 1...Rh2
- 2.Sf3#
- 1...Rf3
- 2.Sxf3#
- 1...Rh4
- 2.Sf3#
- 1...Rh5
- 2.Sf3#
- 1...Sd6
- 2.Qxd6#
- 2.Qf6#
- 1...Sf6
- 2.Qd6#
- 2.Qxf6#
- 1...Sc7
- 2.Qd6#
- 2.Qf6#
- 1...Sg7
- 2.Qd6#
- 2.Qf6#
- 1...exf5
- 2.Qe7#
- 1...b6
- 2.d4#
- 1...Qb8
- Tries
- 1.Sd6?
- threat
- 2.Sf7#
- 1...Sxd6
- 2.Qf6#
- 1...Bf4
- 2.Qxf4#
- 1...Rc7
- 2.Sd3#
- 1...Rf3
- 2.Sxf3#
- 1...b6
- 2.d4#
- 1...b5!
- threat
- 1.Sxh6?
- threat
- 2.Sf7#
- 2.Qf4#
- 1...Qd4
- 2.Sf7#
- 2.Rg5#
- 1...Rc4
- 2.Sd3#
- 2.Sf7#
- 1...Rc7
- 2.Sd3#
- 2.Qf4#
- 1...Rf3
- 2.Sxf3#
- 1...Sd6
- 2.Qg7#
- 2.Qf4#
- 2.Qf6#
- 2.Qh8#
- 1...Sf6
- 2.Sf7#
- 1...b5
- 2.Qf4#
- 1...b6
- 2.Qf4#
- 2.d4#
- 1...Rxh6+!
- threat
- 1.Bxe3?
- threat
- 2.Bd4#
- 2.Bf4#
- 1...Qxe3
- 2.d4#
- 1...Rcxe3
- 2.Sd3#
- 1...Rhxe3
- 2.Sf3#
- 1...exf5
- 2.Bd4#
- 2.Qe7#
- 1...Qd4
- 2.Bxd4#
- 2.Bf4#
- 1...Bf4
- 2.Bd4#
- 2.Bxf4#
- 1...d4
- 2.Bxd4#
- 2.Bf4#
- 1...Bxe3!
- threat
- 1.Bg3+?
- 1...Bf4
- 2.Bxf4#
- 1...Rxg3!
- 1...Bf4
- 1.Qc5?
- threat
- 2.Re4#
- 2.d4#
- 1...Rxc5
- 2.Sd3#
- 2.d4#
- 1...Rxh1
- 2.Sf3#
- 2.d4#
- 1...exf5
- 2.Qe7#
- 1...Rd3
- 2.Sxd3#
- 2.Re4#
- 1...Rc4
- 2.Sd3#
- 1...Rf3
- 2.Sxf3#
- 2.d4#
- 1...Rg3
- 2.d4#
- 1...Rh4
- 2.Sf3#
- 2.d4#
- 1...Bf4
- 2.d4#
- 1...Sd6
- 2.Qxd6#
- 2.d4#
- 1...Sf6
- 2.Qd6#
- 2.d4#
- 1...Qxc5!
- threat
- 1.Sd6?
- Keys
- 1.Sxe3!
- threat
- 2.Sc4#
- 1...Qxe3
- 2.d4#
- 1...Rcxe3
- 2.Sd3#
- 1...Rhxe3
- 2.Sf3#
- 1...Bxe3
- 2.Qf4#
- 1...Rc4
- 2.Sd3#
- 2.Sxc4#
- 1...Bc4
- 2.Sxc4#
- threat
- 1.Sxe3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 14
- Sets
- Q(k);N_GUARD::P(C)
- R(c);N_GUARD::S(A),XR(c)
- R(c);N_GUARD::S(A)
- R(e);N_GUARD,XB(B)::S(A)
- R(e);N_GUARD::S(A)
- R(e);N_GUARD::S(A),XR(e)
- P(i);OGATEB,XS(G)::QAR2(I)
- P(l);S_CUTQ(k)::P(C)
- Tries
- Try
- S(G);
- Threat
- S(G)
- Vars
- S(m);N_GUARD,SBLOCK,XS(G)::QAB1(I)
- B(j);N_GUARD::QAB1(I),XB(j)
- R(c);N_GUARD::S(A)
- R(e);N_GUARD::S(A),XR(e)
- P(l);S_CUTQ(k)::P(C)
- Refutation
- P(l);
- Try
- S(G);XB(j)
- Threat
- DUALS(2)
- Vars
- R(e);N_GUARD::S(A),XR(e)
- S(m);::S(G)
- P(l);::QAB1(I)
- Refutation
- R(e);CHECK,XS(G)
- Try
- B(E);XP(d)
- Threat
- DUALS(2)
- Vars
- Q(k);N_GUARD,P_SPINQ(k),XB(E)::P(C)
- R(c);N_GUARD,P_SPINR(c),XB(E)::S(A)
- R(e);N_GUARD,P_SPINR(e),XB(E)::S(A)
- Refutation
- B(j);P_SPINB(j),XB(E)
- Try
- B(E);CHECK
- Vars
- B(j);N_GUARD,P_SPINB(j)::B(E),XB(j)
- Refutation
- R(e);P_PINR(F),XB(E)
- Try
- Q(I);
- Threat
- DUALS(2)
- Vars
- P(i);OGATEB,XS(G)::QAR2(I)
- R(c);N_GUARD::S(A)
- R(e);P_PINR(F)::P(C)
- B(j);::P(C)
- Refutation
- Q(k);XQ(I)
- Try
- Actual
- S(G);XP(d)
- Threat
- R(D)+S(G),DCHECK
- Vars
- Q(k);N_GUARD,P_SPINQ(k),XS(G)::P(C)
- R(c);N_GUARD,P_SPINR(c),XS(G)::S(A)
- R(e);N_GUARD,P_SPINR(e),XS(G)::S(A)
- B(j);N_GUARD,P_SPINB(j),XS(G)::QAB1(I)
- B(b);::R(D)+S(G),DCHECK,XB(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).