MESON Chess Problem Database
Problem Display
PID: 80831 (8/Kp2NP2/pR1R4/2kBBr2/P2pp2r/6qQ/PN6/7b w - - 0 1)
Melnichenko, Viktor Oleksandrovich
Shedey, Sergey Oleksandrovich
3rd Prize, Springaren, 1996
#2
11 + 9
SOLUTION
- SOUND
- Sets
- 1...Qf2
- 2.Qa3#
- 1...Qh2
- 2.Qa3#
- 1...Qf4
- 2.Qa3#
- 1...Qxe5
- 2.Qa3#
- 1...Qg1
- 2.Qa3#
- 1...Qg2
- 2.Qa3#
- 1...Qa3
- 2.Qxa3#
- 1...Qg4
- 2.Qa3#
- 1...Qg5
- 2.Qa3#
- 1...Qg6
- 2.Qa3#
- 1...Qg7
- 2.Qa3#
- 1...Qg8
- 2.Qa3#
- 1...Rf1
- 2.Qc8#
- 1...Rf2
- 2.Qc8#
- 1...Rf3
- 2.Qc8#
- 1...Rf4
- 2.Qc8#
- 1...Rxe5
- 2.Qc8#
- 1...Rg5
- 2.Qc8#
- 1...Rh5
- 2.Qc8#
- 1...Rf6
- 2.Qc8#
- 1...Rxf7
- 2.Qc8#
- 1...e3
- 2.Sd3#
- 1...a5
- 2.Rb5#
- 1...Qf2
- Tries
- 1.Kxb7?
- threat
- 2.Rdc6#
- 1...Qg6
- 2.Qa3#
- 1...Rf6
- 2.Qc8#
- 1...Rh6!
- threat
- 1.Bb3?
- threat
- 2.Bxd4#
- 2.Rd5#
- 1...Qxb3
- 2.Bxd4#
- 1...Rxe5
- 2.Qc8#
- 1...Qf2
- 2.Rd5#
- 1...Qg1
- 2.Rd5#
- 1...Qc3
- 2.Rd5#
- 1...Qd3
- 2.Rd5#
- 1...Qe3
- 2.Rd5#
- 1...Qg7
- 2.Rd5#
- 1...d3
- 2.Bd4#
- 2.Rd5#
- 1...e3
- 2.Sd3#
- 1...Qxe5!
- threat
- 1.Bc4?
- threat
- 2.Bxd4#
- 2.Rd5#
- 1...Qxe5
- 2.Qa3#
- 1...Rxe5
- 2.Qc8#
- 1...Qf2
- 2.Rd5#
- 2.Qa3#
- 1...Qg1
- 2.Rd5#
- 2.Qa3#
- 1...Qc3
- 2.Rd5#
- 1...Qd3
- 2.Rd5#
- 1...Qe3
- 2.Rd5#
- 1...Qg7
- 2.Rd5#
- 2.Qa3#
- 1...d3
- 2.Bd4#
- 2.Rd5#
- 1...e3!
- threat
- 1.Be6?
- threat
- 2.Bxd4#
- 2.Rd5#
- 1...Qxe5
- 2.Qa3#
- 1...Qf2
- 2.Rd5#
- 2.Qa3#
- 1...Qg1
- 2.Rd5#
- 2.Qa3#
- 1...Qb3
- 2.Bxd4#
- 1...Qc3
- 2.Rd5#
- 1...Qd3
- 2.Rd5#
- 1...Qe3
- 2.Rd5#
- 1...Qg7
- 2.Rd5#
- 2.Qa3#
- 1...d3
- 2.Bd4#
- 2.Rd5#
- 1...e3
- 2.Sd3#
- 1...Rxe5!
- threat
- 1.Bxb7?
- threat
- 2.Bxd4#
- 2.Rd5#
- 2.Rdc6#
- 1...Qxe5
- 2.Rdc6#
- 2.Qa3#
- 1...Rxe5
- 2.Rdc6#
- 2.Qc8#
- 1...Qf2
- 2.Rd5#
- 2.Rdc6#
- 2.Qa3#
- 1...Qg1
- 2.Rd5#
- 2.Rdc6#
- 2.Qa3#
- 1...Qb3
- 2.Bxd4#
- 2.Rdc6#
- 1...Qc3
- 2.Rd5#
- 2.Rdc6#
- 1...Qd3
- 2.Rd5#
- 2.Rdc6#
- 1...Qe3
- 2.Rd5#
- 2.Rdc6#
- 1...Qg6
- 2.Bxd4#
- 2.Rd5#
- 2.Qa3#
- 1...Qg7
- 2.Rd5#
- 2.Rdc6#
- 2.Qa3#
- 1...Rh6
- 2.Bxd4#
- 2.Rd5#
- 1...Rf6
- 2.Bxd4#
- 2.Rd5#
- 2.Qc8#
- 1...d3
- 2.Bd4#
- 2.Rd5#
- 2.Rdc6#
- 1...e3!
- threat
- 1.Rxb7?
- threat
- 2.Rc6#
- 1...Qg6
- 2.Qa3#
- 1...Rf6
- 2.Qc8#
- 1...Rh6!
- threat
- 1.a5?
- threat
- 2.Sa4#
- 1...Qa3
- 2.Qxa3#
- 1...Qb3!
- threat
- 1.f8S?
- threat
- 2.Se6#
- 2.Sd7#
- 1...Qxe5
- 2.Sd7#
- 2.Qa3#
- 1...Rxe5
- 2.Sd7#
- 2.Qc8#
- 1...Rh6
- 2.Sd7#
- 1...Qg6
- 2.Sd7#
- 2.Qa3#
- 1...Qg8
- 2.Sd7#
- 2.Qa3#
- 1...Rf6
- 2.Sd7#
- 2.Qc8#
- 1...Rxf8!
- threat
- 1.Kxb7?
- Keys
- 1.Bxe4!
- threat
- 2.Bxd4#
- 2.Rd5#
- 1...Qxe5
- 2.Qa3#
- 1...Rxe4
- 2.Rd5#
- 1...Rxe5
- 2.Qc8#
- 1...Bxe4
- 2.Bxd4#
- 1...Qf2
- 2.Rd5#
- 2.Qa3#
- 1...Qg1
- 2.Rd5#
- 2.Qa3#
- 1...Qb3
- 2.Bxd4#
- 1...Qc3
- 2.Rd5#
- 1...Qd3
- 2.Rd5#
- 1...Qe3
- 2.Rd5#
- 1...Qg7
- 2.Rd5#
- 2.Qa3#
- 1...d3
- 2.Bd4#
- 2.Rd5#
- threat
- 1.Bxe4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 6
- REMOVED MATES = 21
- Sets
- Q(b);OGATE::QAB(C)
- Q(b);OGATE,XB(F)::QAB(C)
- Q(b);OGATE::QAB(C),XQ(b)
- R(g);OGATE::QAR(C)
- R(g);OGATE,XB(F)::QAR(C)
- R(g);OGATE,XP(K)::QAR(C)
- P(d);N_GUARD,S_CUTQ(b)::S(B)
- P(h);N_GUARD::R1(G)
- Tries
- Try
- K(I);P-FLIGHT,XP(i)
- Threat
- R1(H)
- Vars
- Q(b);OGATE::QAB(C)
- R(g);OGATE::QAR(C)
- Refutation
- R(e);
- Try
- B(E);
- Threat
- DUALS(2)
- Vars
- Q(b);XB(E)::B(F),XP(c)
- R(g);OGATE,XB(F)::QAR(C)
- Q(b);::R1(H)
- P(d);N_GUARD,S_CUTQ(b)::S(B)
- Refutation
- Q(b);XB(F)
- Try
- B(E);
- Threat
- DUALS(2)
- Vars
- Q(b);OGATE,XB(F)::QAB(C)
- R(g);OGATE,XB(F)::QAR(C)
- Q(b);::R1(H)
- Refutation
- P(d);
- Try
- B(E);
- Threat
- DUALS(2)
- Vars
- Q(b);OGATE,XB(F)::QAB(C)
- Q(b);::B(F),XP(c)
- Q(b);::R1(H)
- P(d);N_GUARD,S_CUTQ(b)::S(B)
- Refutation
- R(g);XB(F)
- Try
- B(E);XP(i)
- Threat
- DUALS(3)
- Refutation
- P(d);
- Try
- R(G);XP(i)
- Threat
- R1(H)
- Vars
- Q(b);OGATE::QAB(C)
- R(g);OGATE::QAR(C)
- Refutation
- R(e);
- Try
- P(D);
- Threat
- S(B)
- Vars
- Q(b);OGATE::QAB(C),XQ(b)
- Refutation
- Q(b);
- Try
- P(K);
- Threat
- DUALS(2)
- Vars
- R(e);::S(K)
- Refutation
- R(g);XS(K)
- Try
- Actual
- B(E);XP(d)
- Threat
- DUALS(2)
- Vars
- Q(b);OGATE,XB(F)::QAB(C)
- R(e);XB(E)::R1(H)
- R(g);OGATE,XB(F)::QAR(C)
- B(a);XB(E)::B(F),XP(c)
- Q(b);::B(F),XP(c)
- Q(b);::R1(H)
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).