MESON Chess Problem Database
Problem Display
PID: 245860 (7k/P3N3/4ppK1/r3P3/3b4/1bnRp3/p1R3B1/1Qn5 w - - 0 1)
Dimitrov, Nikolai
Shakhmatna misl, 1961
#2
8 + 10
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Rxe5
- 2.a8Q#
- 2.a8R#
- 1...Bxc2
- 2.Qb8#
- 1...Bc4
- 2.Qb8#
- 1...Bd5
- 2.Qb8#
- 1...Bc5
- 2.Rd8#
- 1...Bxe5
- 2.Rd8#
- 1...Bxa7
- 2.Rd8#
- 1...S1e2
- 2.Qh1#
- 1...Sxd3
- 2.Qh1#
- 1...Sxb1
- 2.Rc8#
- 1...Sd1
- 2.Rc8#
- 1...S3e2
- 2.Rc8#
- 1...Sa4
- 2.Rc8#
- 1...Se4
- 2.Rc8#
- 1...Sb5
- 2.Rc8#
- 1...Sd5
- 2.Rc8#
- 1...e2
- 2.Rh3#
- 1...Rxe5
- Tries
- 1.Bf1?
- threat
- 2.Rh2#
- 1...Rxe5
- 2.a8Q#
- 2.a8R#
- 1...Bxc2
- 2.Qb8#
- 1...Bxe5
- 2.Rd8#
- 1...S3e2
- 2.Rc8#
- 1...e2
- 2.Rh3#
- 1...S1e2!
- threat
- 1.Bh1?
- threat
- 2.Rh2#
- 1...Rxe5
- 2.a8Q#
- 2.a8R#
- 1...Bxc2
- 2.Qb8#
- 1...Bxe5
- 2.Rd8#
- 1...S3e2
- 2.Rc8#
- 1...e2
- 2.Rh3#
- 1...S1e2!
- threat
- 1.Bf3?
- threat
- 2.Rh2#
- 1...Rxe5
- 2.a8Q#
- 2.a8R#
- 1...Bxc2
- 2.Qb8#
- 1...Bxe5
- 2.Rd8#
- 1...S1e2
- 2.Qh1#
- 1...S3e2
- 2.Rc8#
- 1...e2!
- threat
- 1.Bd5?
- threat
- 2.Rh2#
- 1...Bxc2
- 2.Qb8#
- 1...S1e2
- 2.Qh1#
- 1...S3e2
- 2.Rc8#
- 1...e2
- 2.Rh3#
- 1...Bxe5!
- threat
- 1.Bc6?
- threat
- 2.Rh2#
- 1...Rxe5
- 2.a8Q#
- 2.a8R#
- 1...Bxc2
- 2.Qb8#
- 1...Bxe5
- 2.Rd8#
- 1...S1e2
- 2.Qh1#
- 1...e2
- 2.Rh3#
- 1...S3e2!
- threat
- 1.Bb7?
- threat
- 2.Rh2#
- 1...Rxe5
- 2.a8Q#
- 2.a8R#
- 1...Bxe5
- 2.Rd8#
- 1...S1e2
- 2.Qh1#
- 1...S3e2
- 2.Rc8#
- 1...e2
- 2.Rh3#
- 1...Bxc2!
- threat
- 1.Ba8?
- threat
- 2.Rh2#
- 1...Bxc2
- 2.Qb8#
- 1...Bxe5
- 2.Rd8#
- 1...S1e2
- 2.Qh1#
- 1...S3e2
- 2.Rc8#
- 1...e2
- 2.Rh3#
- 1...Rxe5!
- threat
- 1.Rd1?
- threat
- 2.Rh1#
- 1...Rxe5
- 2.a8Q#
- 2.a8R#
- 1...Bxe5
- 2.Rd8#
- 1...Sxd1
- 2.Rc8#
- 1...Bxc2+!
- threat
- 1.Rxd4?
- threat
- 2.Rh4#
- 2.Rd8#
- 1...Rxe5
- 2.Rd8#
- 2.a8Q#
- 2.a8R#
- 1...Ra4
- 2.Rd8#
- 1...Rd5
- 2.Rh4#
- 1...Ba4
- 2.Rh4#
- 1...Bd5
- 2.Rh4#
- 2.Qb8#
- 1...Se4
- 2.Rc8#
- 2.Rd8#
- 1...Sd5
- 2.Rc8#
- 2.Rh4#
- 1...Bxc2+!
- threat
- 1.Bf1?
- Keys
- 1.Be4!
- threat
- 2.Rh2#
- 1...Rxe5
- 2.a8Q#
- 2.a8R#
- 1...Bxc2
- 2.Qb8#
- 1...Bxe5
- 2.Rd8#
- 1...S1e2
- 2.Qh1#
- 1...S3e2
- 2.Rc8#
- 1...e2
- 2.Rh3#
- threat
- 1.Be4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 11
- Sets
- R(g);N_GUARD,XP(E)::P=Q
- B(c);OGATE,P_PINR(D),XR(B)::QAR(A)
- B(c);OGATE::QAR(A)
- B(f);OGATE::R(D)
- B(f);OGATE,XP(E)::R(D)
- B(f);OGATE,XP(G)::R(D)
- S(a);OGATE::QAB(A)
- S(a);OGATE,XR(D)::QAB(A)
- S(d);OGATE,XQ(A)::R(B)
- S(d);OGATE::R(B)
- P(e);OGATE::R(D)
- Tries
- Try
- B(C);
- Threat
- R(B)
- Vars
- R(g);N_GUARD,XP(E)::P=Q
- B(c);OGATE,P_PINR(D),XR(B)::QAR(A)
- B(f);OGATE,XP(E)::R(D)
- S(d);OGATE::R(B)
- P(e);OGATE::R(D)
- Refutation
- S(a);
- Try
- B(C);
- Threat
- R(B)
- Vars
- R(g);N_GUARD,XP(E)::P=Q
- B(c);OGATE,P_PINR(D),XR(B)::QAR(A)
- B(f);OGATE,XP(E)::R(D)
- S(d);OGATE::R(B)
- P(e);OGATE::R(D)
- Refutation
- S(a);
- Try
- B(C);
- Threat
- R(B)
- Vars
- R(g);N_GUARD,XP(E)::P=Q
- B(c);OGATE,P_PINR(D),XR(B)::QAR(A)
- B(f);OGATE,XP(E)::R(D)
- S(a);OGATE::QAB(A)
- S(d);OGATE::R(B)
- Refutation
- P(e);
- Try
- B(C);
- Threat
- R(B)
- Vars
- B(c);OGATE,P_PINR(D),XR(B)::QAR(A)
- S(a);OGATE::QAB(A)
- S(d);OGATE::R(B)
- P(e);OGATE::R(D)
- Refutation
- B(f);XP(E)
- Try
- B(C);
- Threat
- R(B)
- Vars
- R(g);N_GUARD,XP(E)::P=Q
- B(c);OGATE,P_PINR(D),XR(B)::QAR(A)
- B(f);OGATE,XP(E)::R(D)
- S(a);OGATE::QAB(A)
- P(e);OGATE::R(D)
- Refutation
- S(d);
- Try
- B(C);
- Threat
- R(B)
- Vars
- R(g);N_GUARD,XP(E)::P=Q
- B(f);OGATE,XP(E)::R(D)
- S(a);OGATE::QAB(A)
- S(d);OGATE::R(B)
- P(e);OGATE::R(D)
- Refutation
- B(c);P_PINR(D),XR(B)
- Try
- B(C);
- Threat
- R(B)
- Vars
- B(c);OGATE,P_PINR(D),XR(B)::QAR(A)
- B(f);OGATE,XP(E)::R(D)
- S(a);OGATE::QAB(A)
- S(d);OGATE::R(B)
- P(e);OGATE::R(D)
- Refutation
- R(g);XP(E)
- Try
- R(D);
- Threat
- R(D)
- Vars
- R(g);N_GUARD,XP(E)::P=Q
- B(f);OGATE,XP(E)::R(D)
- S(d);OGATE,XR(D)::R(B)
- Refutation
- B(c);CHECK,XR(B)
- Try
- R(D);XB(f)
- Threat
- DUALS(2)
- Vars
- R(g);::R(D)
- B(c);::R(D)
- Refutation
- B(c);CHECK,XR(B)
- Try
- Actual
- B(C);
- Threat
- R(B)
- Vars
- R(g);N_GUARD,XP(E)::P=Q
- B(c);OGATE,XR(B)::QAR(A)
- B(f);OGATE,XP(E)::R(D)
- S(a);OGATE::QAB(A)
- S(d);OGATE::R(B)
- P(e);OGATE::R(D)
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).