MESON Chess Problem Database
Problem Display
PID: 16293 (2NRn3/b7/1pB1Pp2/5P2/RPkpb3/8/1K1PnB1Q/4N3 w - - 0 1)
Stojnic, Dragan
The Problemist, 2000
#2
12 + 8
SOLUTION
- SOUND
- Sets
- 1...Bh1
- 2.d3#
- 1...Bg2
- 2.d3#
- 1...Bf3
- 2.d3#
- 1...Bd5
- 2.d3#
- 1...Bb8
- 2.Sxb6#
- 1...Sc1
- 2.Rxd4#
- 1...Sg1
- 2.Rxd4#
- 1...Sc3
- 2.Rxd4#
- 1...Sg3
- 2.Rxd4#
- 1...Sf4
- 2.Rxd4#
- 1...Sd6
- 2.Sxd6#
- 1...Sc7
- 2.Sd6#
- 1...Sg7
- 2.Sd6#
- 1...d3
- 2.b5#
- 1...Bh1
- Tries
- 1.Rxe8?
- threat
- 2.Sd6#
- 1...Bb8
- 2.Sxb6#
- 1...Bxc6!
- threat
- 1.Qg3?
- threat
- 2.Qb3#
- 1...Bxc6
- 2.Qd3#
- 1...Sxg3
- 2.Rxd4#
- 1...Bd3
- 2.Qxd3#
- 1...Bf3
- 2.d3#
- 1...Sc1
- 2.Rxd4#
- 1...Sc3
- 2.Rxd4#
- 1...d3
- 2.b5#
- 1...Bc2!
- threat
- 1.Qe5?
- threat
- 2.Bb5#
- 2.Qb5#
- 2.b5#
- 1...Bxc6
- 2.d3#
- 2.b5#
- 1...Bc2
- 2.Bb5#
- 2.Qb5#
- 2.Qd5#
- 1...Bd5
- 2.Qxd5#
- 2.d3#
- 1...Sc3
- 2.Rxd4#
- 2.Qxd4#
- 1...Sd6
- 2.Sxd6#
- 2.b5#
- 1...Sc7
- 2.Sd6#
- 2.b5#
- 1...b5
- 2.Bxb5#
- 2.Qxb5#
- 1...fxe5!
- threat
- 1.Qd6?
- threat
- 2.b5#
- 1...Bxc6
- 2.Qxc6#
- 1...Sxd6
- 2.Sxd6#
- 1...Bc2
- 2.Qd5#
- 1...Sc3
- 2.Qxd4#
- 1...b5!
- threat
- 1.Qh1?
- 1...Bxh1
- 2.d3#
- 1...Bxf5
- 2.Qd5#
- 1...Bxc6
- 2.Qxc6#
- 1...Bc2
- 2.Qd5#
- 1...Bb1
- 2.Qd5#
- 1...Bg2
- 2.d3#
- 1...Bd3
- 2.Qd5#
- 1...Bf3
- 2.d3#
- 1...Bd5
- 2.Qxd5#
- 2.d3#
- 1...Bb8
- 2.Sxb6#
- 1...Sc1
- 2.Rxd4#
- 1...Sg1
- 2.Rxd4#
- 1...Sc3
- 2.Rxd4#
- 1...Sg3
- 2.Rxd4#
- 1...Sf4
- 2.Rxd4#
- 1...Sd6
- 2.Sxd6#
- 1...Sc7
- 2.Sd6#
- 1...Sg7
- 2.Sd6#
- 1...d3
- 2.b5#
- 1...b5!
- 1...Bxh1
- 1.Qg2?
- 1...Bxg2
- 2.d3#
- 1...Bxf5
- 2.Qd5#
- 1...Bxc6
- 2.Qxc6#
- 1...Bb1
- 2.Qd5#
- 1...Bc2
- 2.Qd5#
- 1...Bd3
- 2.Qd5#
- 1...Bf3
- 2.d3#
- 1...Bd5
- 2.Qxd5#
- 2.d3#
- 1...Bb8
- 2.Sxb6#
- 1...Sc1
- 2.Rxd4#
- 1...Sg1
- 2.Rxd4#
- 1...Sc3
- 2.Rxd4#
- 1...Sg3
- 2.Rxd4#
- 1...Sf4
- 2.Rxd4#
- 1...Sd6
- 2.Sxd6#
- 1...Sc7
- 2.Sd6#
- 1...Sg7
- 2.Sd6#
- 1...d3
- 2.b5#
- 1...b5!
- 1...Bxg2
- 1.Qh3?
- threat
- 2.Qb3#
- 1...Bxc6
- 2.Qd3#
- 1...Bd3
- 2.Qxd3#
- 1...Bf3
- 2.d3#
- 1...Sc1
- 2.Rxd4#
- 1...Sc3
- 2.Rxd4#
- 1...Sg3
- 2.Rxd4#
- 1...d3
- 2.b5#
- 1...Bc2!
- threat
- 1.Rxe8?
- Keys
- 1.Qc7!
- 1...Bxf5
- 2.Bxe8#
- 1...Bxc6
- 2.Qxc6#
- 1...Sxc7
- 2.Sd6#
- 1...Bc2
- 2.Bxe8#
- 1...Bb1
- 2.Bxe8#
- 1...Bh1
- 2.d3#
- 1...Bg2
- 2.d3#
- 1...Bd3
- 2.Bxe8#
- 1...Bf3
- 2.d3#
- 1...Bd5
- 2.d3#
- 1...Bb8
- 2.Sxb6#
- 1...Sc1
- 2.Rxd4#
- 1...Sg1
- 2.Rxd4#
- 1...Sc3
- 2.Rxd4#
- 1...Sg3
- 2.Rxd4#
- 1...Sf4
- 2.Rxd4#
- 1...Sd6
- 2.Sxd6#
- 1...Sg7
- 2.Sd6#
- 1...d3
- 2.b5#
- 1...b5
- 2.Bd5#
- 1...Bxf5
- 1.Qc7!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 6
- REMOVED MATES = 0
- Sets
- B(d);N_GUARD::P(C)
- B(g);N_GUARD::S(K),XP(e)
- S(a);N_GUARD::R1(L),XP(c)
- S(h);N_GUARD::S(K),XS(h)
- S(h);N_GUARD::S(K)
- P(c);::R(F)+P(G)
- Tries
- Try
- R(L);XS(h)
- Threat
- S(K)
- Vars
- B(g);N_GUARD::S(K),XP(e)
- Refutation
- B(d);XB(I)
- Try
- Q(E);
- Threat
- QAB1(E)
- Vars
- B(d);N_GUARD,XB(I)::QAB1(E)
- S(a);N_GUARD,XQ(E)::R1(L),XP(c)
- B(d);N_GUARD::QAB1(E),XB(d)
- B(d);N_GUARD::P(C)
- S(a);N_GUARD::R1(L),XP(c)
- P(c);::R(F)+P(G)
- Refutation
- B(d);
- Try
- Q(E);
- Threat
- DUALS(3)
- Refutation
- P(f);XQ(E)
- Try
- Q(E);
- Threat
- R(F)+P(G)
- Vars
- B(d);OGATE,XB(I)::QAR2(E),XB(d)
- S(h);XQ(E)::S(K),XS(h)
- B(d);N_GUARD::QAB1(E)
- S(a);N_GUARD::QAR1(E),XP(c)
- Refutation
- P(e);
- Try
- Q(E);
- Vars
- B(d);N_GUARD,XQ(E)::P(C)
- B(d);OGATE,XP(H)::QAB1(E)
- B(d);OGATE,XB(I)::QAR2(E),XB(d)
- B(d);OGATE::QAB1(E)
- B(d);N_GUARD::P(C)
- B(g);N_GUARD::S(K),XP(e)
- S(a);N_GUARD::R1(L),XP(c)
- S(h);N_GUARD::S(K),XS(h)
- S(h);N_GUARD::S(K)
- P(c);::R(F)+P(G)
- Refutation
- P(e);
- Try
- Q(E);
- Vars
- B(d);N_GUARD,XQ(E)::P(C)
- B(d);OGATE,XP(H)::QAB1(E)
- B(d);OGATE,XB(I)::QAR2(E),XB(d)
- B(d);OGATE::QAB1(E)
- B(d);N_GUARD::P(C)
- B(g);N_GUARD::S(K),XP(e)
- S(a);N_GUARD::R1(L),XP(c)
- S(h);N_GUARD::S(K),XS(h)
- S(h);N_GUARD::S(K)
- P(c);::R(F)+P(G)
- Refutation
- P(e);
- Try
- Q(E);
- Threat
- QAB1(E)
- Vars
- B(d);N_GUARD,XB(I)::QAB1(E)
- B(d);N_GUARD::QAB1(E),XB(d)
- B(d);N_GUARD::P(C)
- S(a);N_GUARD::R1(L),XP(c)
- P(c);::R(F)+P(G)
- Refutation
- B(d);
- Try
- Actual
- Q(E);
- Vars
- B(d);N_GUARD,XP(H)::QAR(E)+B(I),XS(h)
- B(d);OGATE,P_SPINB(d),XB(I)::QAR2(E),XB(d)
- S(h);N_GUARD,XQ(E)::S(K)
- B(d);N_GUARD::QAR(E)+B(I),XS(h)
- B(d);N_GUARD::P(C)
- B(g);N_GUARD::S(K),XP(e)
- S(a);N_GUARD::R1(L),XP(c)
- S(h);N_GUARD::S(K),XS(h)
- S(h);N_GUARD::S(K)
- P(c);::R(F)+P(G)
- P(e);SBLOCK::QAR(E)+B(I),DCHECK
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).