MESON Chess Problem Database
Problem Display
PID: 23695 (2b4b/n7/1R1B1n1r/1p1kNP2/1P3P2/1K5p/1PN1Q3/3r4 w - - 0 1)
Sarkits, Anatoly L
1st Comm., Troll, 1997-1998
#2
10 + 9
SOLUTION
- SOUND
- Sets
- 1...Ra1
- 2.Qd3#
- 1...Rb1
- 2.Qd3#
- 1...Rc1
- 2.Qd3#
- 1...Re1
- 2.Qd3#
- 1...Rf1
- 2.Qd3#
- 1...Rg1
- 2.Qd3#
- 1...Rh1
- 2.Qd3#
- 1...Rd3+
- 2.Qxd3#
- 1...Sg4
- 2.Qf3#
- 1...Sh5
- 2.Qf3#
- 1...Sd7
- 2.Qf3#
- 1...Sh7
- 2.Qf3#
- 1...Se8
- 2.Qf3#
- 1...Sg8
- 2.Qf3#
- 1...Ra1
- Tries
- 1.Sg4?
- threat
- 2.Qe5#
- 1...Rd3+
- 2.Qxd3#
- 1...Sxg4
- 2.Qf3#
- 1...Re1
- 2.Qd3#
- 1...Se4
- 2.Sge3#
- 1...Sh5
- 2.Qf3#
- 1...Sd7
- 2.Qf3#
- 1...Sh7
- 2.Qf3#
- 1...Se8
- 2.Qf3#
- 1...Sg8
- 2.Qf3#
- 1...Sc6!
- threat
- 1.Sg6?
- threat
- 2.Se7#
- 2.Qe5#
- 1...Rd3+
- 2.Qxd3#
- 1...Rxg6
- 2.Qe5#
- 1...Re1
- 2.Se7#
- 2.Qd3#
- 1...Rh7
- 2.Qe5#
- 1...Se4
- 2.Se7#
- 1...Sg4
- 2.Se7#
- 2.Qf3#
- 1...Sh5
- 2.Se7#
- 2.Qf3#
- 1...Sd7
- 2.Se7#
- 2.Qf3#
- 2.Qe6#
- 1...Sh7
- 2.Se7#
- 2.Qf3#
- 1...Se8
- 2.Se7#
- 2.Qf3#
- 1...Sg8
- 2.Qf3#
- 1...Sc6!
- threat
- 1.Sd7?
- threat
- 2.Qe5#
- 2.Qe6#
- 1...Rd3+
- 2.Qxd3#
- 1...Bxd7
- 2.Qe5#
- 1...Sxd7
- 2.Qf3#
- 1...Sc6
- 2.Qe6#
- 1...Re1
- 2.Qd3#
- 1...Sg4
- 2.Qf3#
- 1...Sh5
- 2.Qf3#
- 1...Sh7
- 2.Qf3#
- 1...Se8
- 2.Qf3#
- 1...Sg8
- 2.Qf3#
- 1...Se4!
- threat
- 1.Sf7?
- threat
- 2.Qe5#
- 1...Rd3+
- 2.Qxd3#
- 1...Re1
- 2.Qd3#
- 1...Sg4
- 2.Qf3#
- 1...Sh5
- 2.Qf3#
- 1...Sd7
- 2.Qf3#
- 1...Sh7
- 2.Qf3#
- 1...Se8
- 2.Qf3#
- 1...Sg8
- 2.Qf3#
- 1...Sc6
- 2.Rxb5#
- 1...Se4!
- threat
- 1.Bc5?
- threat
- 2.Rd6#
- 1...Rd3+
- 2.Qxd3#
- 1...Se4
- 2.Se3#
- 1...Sg4
- 2.Qf3#
- 1...Sh5
- 2.Qf3#
- 1...Sd7
- 2.Qf3#
- 1...Sh7
- 2.Qf3#
- 1...Se8
- 2.Qf3#
- 1...Sg8
- 2.Qf3#
- 1...Sc6!
- threat
- 1.Bc7?
- threat
- 2.Rd6#
- 1...Rd3+
- 2.Qxd3#
- 1...Sg4
- 2.Qf3#
- 1...Sh5
- 2.Qf3#
- 1...Sd7
- 2.Qf3#
- 1...Sh7
- 2.Qf3#
- 1...Se8
- 2.Qf3#
- 1...Sg8
- 2.Qf3#
- 1...Sc6
- 2.Rxb5#
- 1...Se4!
- threat
- 1.Be7?
- threat
- 2.Rd6#
- 1...Rd3+
- 2.Qxd3#
- 1...Sg4
- 2.Qf3#
- 1...Sh5
- 2.Qf3#
- 1...Sd7
- 2.Qf3#
- 1...Sh7
- 2.Qf3#
- 1...Se8
- 2.Qf3#
- 1...Sg8
- 2.Qf3#
- 1...Sc6
- 2.Rxb5#
- 1...Se4!
- threat
- 1.Bb8?
- threat
- 2.Rd6#
- 1...Rd3+
- 2.Qxd3#
- 1...Sg4
- 2.Qf3#
- 1...Sh5
- 2.Qf3#
- 1...Sd7
- 2.Qf3#
- 1...Sh7
- 2.Qf3#
- 1...Se8
- 2.Qf3#
- 1...Sg8
- 2.Qf3#
- 1...Sc6
- 2.Rxb5#
- 1...Se4!
- threat
- 1.Bf8?
- threat
- 2.Rd6#
- 1...Rd3+
- 2.Qxd3#
- 1...Sg4
- 2.Qf3#
- 1...Sh5
- 2.Qf3#
- 1...Sd7
- 2.Qf3#
- 1...Sh7
- 2.Qf3#
- 1...Se8
- 2.Qf3#
- 1...Sg8
- 2.Qf3#
- 1...Sc6
- 2.Rxb5#
- 1...Se4!
- threat
- 1.Sg4?
- Keys
- 1.Sc4!
- threat
- 2.Qe5#
- 1...Rd3+
- 2.Qxd3#
- 1...bxc4+
- 2.Qxc4#
- 1...Re1
- 2.Qd3#
- 1...Se4
- 2.S4e3#
- 1...Sg4
- 2.Qf3#
- 1...Sh5
- 2.Qf3#
- 1...Sd7
- 2.Qf3#
- 1...Sh7
- 2.Qf3#
- 1...Se8
- 2.Qf3#
- 1...Sg8
- 2.Qf3#
- 1...Sc6
- 2.Rxb5#
- threat
- 1.Sc4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 6
- Sets
- R(a);N_GUARD::QAR2(C)
- R(a);N_GUARD,P_PINP(A)::QAR2(C)
- R(a);CHECK,N_GUARD::QAR2(C),XR(a)
- S(e);N_GUARD::QAB(C)
- Tries
- Try
- S(G);
- Threat
- QAR1(C)
- Vars
- R(a);CHECK,N_GUARD::QAR2(C),XR(a)
- S(e);N_GUARD,XS(G)::QAB(C)
- R(a);N_GUARD::QAR2(C)
- S(e);SBLOCK::S(G)
- S(e);N_GUARD::QAB(C)
- Refutation
- S(g);
- Try
- S(G);
- Threat
- DUALS(2)
- Vars
- R(a);CHECK,N_GUARD::QAR2(C),XR(a)
- R(f);XS(G)::QAR1(C)
- R(f);::QAR1(C)
- S(e);::S(G)
- S(e);N_GUARD::QAB(C)
- Refutation
- S(g);
- Try
- S(G);
- Threat
- DUALS(2)
- Vars
- R(a);CHECK,N_GUARD::QAR2(C),XR(a)
- B(h);XS(G)::QAR1(C)
- S(e);N_GUARD,XS(G)::QAB(C)
- S(g);::QAB1(C)
- R(a);N_GUARD::QAR2(C)
- S(e);N_GUARD::QAB(C)
- Refutation
- S(e);
- Try
- S(G);
- Threat
- QAR1(C)
- Vars
- R(a);CHECK,N_GUARD::QAR2(C),XR(a)
- R(a);N_GUARD::QAR2(C)
- S(e);N_GUARD::QAB(C)
- S(g);N_GUARD,SBLOCK::R(I),XP(c)
- Refutation
- S(e);
- Try
- B(J);
- Threat
- R1(I)
- Vars
- R(a);CHECK,N_GUARD::QAR2(C),XR(a)
- S(e);SBLOCK::S(B)
- S(e);N_GUARD::QAB(C)
- Refutation
- S(g);
- Try
- B(J);
- Threat
- R1(I)
- Vars
- R(a);CHECK,N_GUARD::QAR2(C),XR(a)
- S(e);N_GUARD::QAB(C)
- S(g);N_GUARD::R(I),XP(c)
- Refutation
- S(e);
- Try
- B(J);
- Threat
- R1(I)
- Vars
- R(a);CHECK,N_GUARD::QAR2(C),XR(a)
- S(e);N_GUARD::QAB(C)
- S(g);N_GUARD::R(I),XP(c)
- Refutation
- S(e);
- Try
- B(J);
- Threat
- R1(I)
- Vars
- R(a);CHECK,N_GUARD::QAR2(C),XR(a)
- S(e);N_GUARD::QAB(C)
- S(g);N_GUARD::R(I),XP(c)
- Refutation
- S(e);
- Try
- B(J);
- Threat
- R1(I)
- Vars
- R(a);CHECK,N_GUARD::QAR2(C),XR(a)
- S(e);N_GUARD::QAB(C)
- S(g);N_GUARD::R(I),XP(c)
- Refutation
- S(e);
- Try
- Actual
- S(G);
- Threat
- QAR1(C)
- Vars
- R(a);CHECK,N_GUARD::QAR2(C),XR(a)
- P(c);CHECK,OGATE,XS(G)::QAB1(C),XP(c)
- R(a);N_GUARD::QAR2(C)
- S(e);SBLOCK::S(G)
- S(e);N_GUARD::QAB(C)
- S(g);N_GUARD,SBLOCK::R(I),XP(c)
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).