MESON Chess Problem Database
Problem Display
PID: 98846 (K2R4/n1R1P3/2P2Q2/B1kB2Pq/PpPp2r1/1P5r/n3NP1b/4N2b w - - 0 1)
Stoyanov, Kiril N
Problem 039. TT, 1964
#2
15 + 10
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Rd3
- 2.Sxd3#
- 1...Rhg3
- 2.Qd6#
- 1...Rhh4
- 2.Sd3#
- 1...Rg1
- 2.Qxd4#
- 1...Rg2
- 2.Qxd4#
- 1...Rgg3
- 2.Qxd4#
- 2.Qd6#
- 1...Rf4
- 2.Qd6#
- 1...Rxg5
- 2.Qxd4#
- 1...Bf3
- 2.Sd3#
- 1...Be4
- 2.Qxd4#
- 1...Bxd5
- 2.Rxd5#
- 1...Bg1
- 2.Qd6#
- 1...Bg3
- 2.Sd3#
- 1...Bf4
- 2.Qxd4#
- 1...Bd6
- 2.Qxd6#
- 1...Sxc6
- 2.Rxc6#
- 2.Qxc6#
- 1...Rd3
- Tries
- 1.Sg3?
- threat
- 2.Sd3#
- 2.Qd6#
- 1...Rhxg3
- 2.Qd6#
- 1...Rgxg3
- 2.Qd6#
- 1...Bxg3
- 2.Sd3#
- 1...Qh6
- 2.Sd3#
- 1...Qh7
- 2.Qd6#
- 1...Be4
- 2.Qd6#
- 1...Sc1
- 2.Qd6#
- 1...Sb5
- 2.Sd3#
- 1...Sc8
- 2.Sd3#
- 1...d3
- 2.Sxd3#
- 1...Qg6!
- threat
- 1.Sf4?
- threat
- 2.Se6#
- 2.Qd6#
- 1...Rxf4
- 2.Qd6#
- 1...Bxd5
- 2.Rxd5#
- 2.Qd6#
- 1...Qg6
- 2.Se6#
- 1...Qf7
- 2.Qd6#
- 1...Qh6
- 2.Se6#
- 1...Re3
- 2.Qd6#
- 1...Sb5
- 2.Se6#
- 1...Sc8
- 2.Se6#
- 1...d3
- 2.Se6#
- 1...Bxf4!
- threat
- 1.Be4?
- threat
- 2.Rd5#
- 2.Qxd4#
- 1...Qxg5
- 2.Qxd4#
- 1...Rxb3
- 2.Qxd4#
- 1...Rxe4
- 2.Rd5#
- 1...Rxg5
- 2.Qxd4#
- 1...Bxe4
- 2.Qxd4#
- 1...Qf7
- 2.Qxd4#
- 1...Qe8
- 2.Qxd4#
- 1...Rd3
- 2.Sxd3#
- 2.Rd5#
- 1...Be5
- 2.Rd5#
- 2.Qxe5#
- 1...Bd6
- 2.Qxd4#
- 2.Qxd6#
- 1...Sc3
- 2.Qxd4#
- 1...Sb5
- 2.Rd5#
- 1...d3
- 2.Rd5#
- 2.Qd4#
- 1...Qh8!
- threat
- 1.Rb7?
- threat
- 2.Bb6#
- 1...Sc8
- 2.Rb5#
- 1...Bc7!
- threat
- 1.Rb8?
- threat
- 2.Bb6#
- 1...Sc8
- 2.Rb5#
- 1...Bxc7!
- threat
- 1.f4?
- threat
- 2.Qxd4#
- 2.Qd6#
- 1...Rxf4
- 2.Qd6#
- 1...Bxf4
- 2.Qxd4#
- 1...Qg6
- 2.Qxd4#
- 1...Qh6
- 2.Qxd4#
- 1...Qh8
- 2.Qd6#
- 1...Rd3
- 2.Sxd3#
- 2.Qd6#
- 1...Bg1
- 2.Qd6#
- 1...Sc8
- 2.Qxd4#
- 1...d3
- 2.Qd4#
- 2.Qd6#
- 1...Sb5!
- threat
- 1.Sg3?
- Keys
- 1.Bf3!
- threat
- 2.Sd3#
- 2.Rd5#
- 1...Qxg5
- 2.Sd3#
- 1...Rxf3
- 2.Rd5#
- 1...Rxg5
- 2.Sd3#
- 2.Qxd4#
- 1...Bxf3
- 2.Sd3#
- 1...Qg6
- 2.Rd5#
- 1...Qf7
- 2.Sd3#
- 1...Qe8
- 2.Sd3#
- 1...Qh7
- 2.Rd5#
- 1...Qh8
- 2.Sd3#
- 1...Bd6
- 2.Sd3#
- 2.Qxd6#
- 1...Sc1
- 2.Rd5#
- 1...Sc3
- 2.Sd3#
- 1...d3
- 2.Sxd3#
- 2.Rd5#
- threat
- 1.Bf3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 9
- REMOVED MATES = 13
- Sets
- R(d);N_GUARD::S(A),XR(d)
- R(d);S_CUTB(c)::QAB1(K)
- R(d);N_GUARD::S(A)
- R(g);N_GUARD::QAB1(K),XP(f)
- R(g);S_CUTB(c)::QAB1(K)
- R(g);N_GUARD,XP(I)::QAB1(K),XP(f)
- B(a);S_CUTR(d)::S(A)
- B(a);S_CUTR(g)::QAB1(K),XP(f)
- B(a);OGATE,P_PINP(J),XB(H)::R1(O),XB(a)
- B(c);N_GUARD::QAB1(K)
- B(c);S_CUTR(d)::S(A)
- B(c);S_CUTR(g)::QAB1(K),XP(f)
- B(c);N_GUARD::QAB1(K),XB(c)
- Tries
- Try
- S(B);
- Threat
- DUALS(2)
- Vars
- R(d);XS(B)::QAB1(K)
- R(g);XS(B)::QAB1(K)
- B(c);XS(B)::S(A)
- Q(i);::S(A)
- Q(i);::QAB1(K)
- B(a);::QAB1(K)
- S(b);::QAB1(K)
- S(j);::S(A)
- P(f);::S(A),XP(f)
- Refutation
- Q(i);
- Try
- S(B);
- Threat
- DUALS(2)
- Vars
- R(g);XS(B)::QAB1(K)
- Q(i);::S(B)
- Q(i);::QAB1(K)
- R(d);::QAB1(K)
- S(j);::S(B)
- P(f);::S(B)
- Refutation
- B(c);XS(B)
- Try
- B(H);
- Threat
- DUALS(2)
- Vars
- Q(i);XP(I)::QAB1(K),XP(f)
- R(d);XP(D)::QAB1(K),XP(f)
- R(g);XB(H)::R1(O)
- R(g);XP(I)::QAB1(K),XP(f)
- B(a);P_PINP(J),XB(H)::QAB1(K),XP(f)
- Q(i);::QAB1(K),XP(f)
- Q(i);P_PINR(O)::QAB1(K),XP(f)
- S(b);::QAB1(K),XP(f)
- S(j);::R1(O)
- Refutation
- Q(i);P_PINR(O)
- Try
- R(L);
- Threat
- B(G)
- Vars
- S(j);N_GUARD::R1(L)
- Refutation
- B(c);
- Try
- R(O);
- Threat
- B(G)
- Vars
- S(j);N_GUARD::R1(O)
- Refutation
- B(c);XR(L)
- Try
- P(C);
- Threat
- DUALS(2)
- Vars
- R(g);XP(C)::QAB1(K)
- B(c);XP(C)::QAB1(K),XP(f)
- Q(i);::QAB1(K),XP(f)
- Q(i);P_PINR(O)::QAB1(K)
- B(c);::QAB1(K)
- S(j);::QAB1(K),XP(f)
- Refutation
- S(j);
- Try
- Actual
- B(H);
- Threat
- DUALS(2)
- Vars
- Q(i);XP(I)::S(A)
- R(d);XB(H)::R1(O)
- B(a);P_PINP(J),XB(H)::S(A)
- Q(i);::R1(O)
- Q(i);::S(A)
- Q(i);P_PINR(O)::S(A)
- S(b);::R1(O)
- S(b);::S(A)
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).