MESON Chess Problem Database
Problem Display
PID: 86502 (2b1RN2/qp6/Rn5P/1r3k2/1r2pBN1/1B2Q2P/8/6K1 w - - 0 1)
Melnichenko, Viktor Oleksandrovich
Patriot Batkivshini, 1978
#2
10 + 8
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Rxb3
- 2.Qxe4#
- 1...Re5
- 2.Rxe5#
- 1...Be6
- 2.Bxe6#
- 1...Sa4
- 2.Rf6#
- 1...Sc4
- 2.Rf6#
- 1...Sd5
- 2.Re5#
- 1...Sd7
- 2.Be6#
- 1...Sa8
- 2.Rf6#
- 1...Rxb3
- Tries
- 1.Sg6?
- threat
- 2.Sh4#
- 2.Se7#
- 1...Rxb3
- 2.Sh4#
- 2.Qxe4#
- 1...bxa6
- 2.Sh4#
- 1...Rc4
- 2.Sh4#
- 1...Rd5
- 2.Sh4#
- 1...Re5
- 2.Sh4#
- 1...Sd5
- 2.Sh4#
- 2.Re5#
- 1...Kxg6!
- threat
- 1.Bh2?
- threat
- 2.Qf4#
- 1...Sa4
- 2.Rf6#
- 1...Sc4
- 2.Rf6#
- 1...Sd5
- 2.Re5#
- 1...Sd7
- 2.Be6#
- 1...Sa8
- 2.Rf6#
- 1...Qb8!
- threat
- 1.Bg3?
- threat
- 2.Qf4#
- 1...Sa4
- 2.Rf6#
- 1...Sc4
- 2.Rf6#
- 1...Sd5
- 2.Re5#
- 1...Sd7
- 2.Be6#
- 1...Sa8
- 2.Rf6#
- 1...Qb8!
- threat
- 1.Be5?
- threat
- 2.Qf4#
- 1...Rxe5
- 2.Rxe5#
- 1...Sa4
- 2.Rf6#
- 1...Sc4
- 2.Rf6#
- 1...Sd7
- 2.Be6#
- 1...Sa8
- 2.Rf6#
- 1...Sd5!
- threat
- 1.Bg5?
- threat
- 2.Qf4#
- 1...Sa4
- 2.Rf6#
- 1...Sc4
- 2.Rf6#
- 1...Sd5
- 2.Re5#
- 1...Sd7
- 2.Be6#
- 1...Sa8
- 2.Rf6#
- 1...Qb8!
- threat
- 1.Bb8?
- threat
- 2.Qf4#
- 1...Re5
- 2.Rxe5#
- 1...Sa4
- 2.Rf6#
- 1...Sc4
- 2.Rf6#
- 1...Sd5
- 2.Re5#
- 1...Sd7
- 2.Be6#
- 1...Sa8
- 2.Rf6#
- 1...Qxb8!
- threat
- 1.Re6?
- threat
- 2.Rf6#
- 1...Bxe6
- 2.Bxe6#
- 1...Sd5
- 2.Re5#
- 1...Sd7!
- threat
- 1.Re7?
- threat
- 2.Rf7#
- 1...Be6
- 2.Bxe6#
- 1...Sd5
- 2.Re5#
- 1...Sd7
- 2.Be6#
- 1...bxa6!
- threat
- 1.Sg6?
- Keys
- 1.Bc7!
- threat
- 2.Qf4#
- 1...Re5
- 2.Rxe5#
- 1...Sa4
- 2.Rf6#
- 1...Sc4
- 2.Rf6#
- 1...Sd5
- 2.Re5#
- 1...Sd7
- 2.Be6#
- 1...Sa8
- 2.Rf6#
- threat
- 1.Bc7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 2
- Sets
- R(a);N_GUARD,XB(B)::QAB1(C),XP(b)
- R(c);N_GUARD::R1(I),XR(c)
- B(h);N_GUARD::B(B),XB(h)
- S(e);OGATE,P_PINQ(C)::R1(G)
- S(e);P_PINQ(C),S_CUTR(c)::R1(I)
- S(e);P_PINQ(C),S_CUTB(h)::B(B)
- Tries
- Try
- S(J);
- Threat
- DUALS(2)
- Vars
- P(g);XR(G)::S(J)
- R(a);::S(J)
- R(c);::S(J)
- Refutation
- K(d);P_SPINS(e),S_FLIGHT,XS(J)
- Try
- B(E);
- Threat
- QAR1(C)
- Vars
- S(e);OGATE,P_PINQ(C)::R1(G)
- S(e);P_PINQ(C),S_CUTR(c)::R1(I)
- S(e);P_PINQ(C),S_CUTB(h)::B(B)
- Refutation
- Q(f);
- Try
- B(E);
- Threat
- QAR1(C)
- Vars
- S(e);OGATE,P_PINQ(C)::R1(G)
- S(e);P_PINQ(C),S_CUTR(c)::R1(I)
- S(e);P_PINQ(C),S_CUTB(h)::B(B)
- Refutation
- Q(f);
- Try
- B(E);
- Threat
- QAR1(C)
- Vars
- R(c);OGATE,XB(E)::R1(I),XR(c)
- S(e);OGATE,P_PINQ(C)::R1(G)
- S(e);P_PINQ(C),S_CUTB(h)::B(B)
- Refutation
- S(e);P_PINQ(C)
- Try
- B(E);
- Threat
- QAR1(C)
- Vars
- S(e);OGATE,P_PINQ(C)::R1(G)
- S(e);P_PINQ(C),S_CUTR(c)::R1(I)
- S(e);P_PINQ(C),S_CUTB(h)::B(B)
- Refutation
- Q(f);
- Try
- B(E);
- Threat
- QAR1(C)
- Vars
- R(c);N_GUARD::R1(I),XR(c)
- S(e);OGATE,P_PINQ(C)::R1(G)
- S(e);P_PINQ(C),S_CUTR(c)::R1(I)
- S(e);P_PINQ(C),S_CUTB(h)::B(B)
- Refutation
- Q(f);XB(E)
- Try
- R(I);
- Threat
- R1(I)
- Vars
- B(h);OGATE,XR(I)::B(B),XB(h)
- S(e);P_PINQ(C),S_CUTR(c)::R1(I)
- Refutation
- S(e);P_PINQ(C)
- Try
- R(I);
- Threat
- R(I)
- Vars
- B(h);N_GUARD::B(B),XB(h)
- S(e);P_PINQ(C),S_CUTR(c)::R1(I)
- S(e);P_PINQ(C),S_CUTB(h)::B(B)
- Refutation
- P(g);XR(G)
- Try
- Actual
- B(E);
- Threat
- QAR1(C)
- Vars
- R(c);N_GUARD::R1(I),XR(c)
- S(e);OGATE,P_PINQ(C)::R1(G)
- S(e);P_PINQ(C),S_CUTR(c)::R1(I)
- S(e);P_PINQ(C),S_CUTB(h)::B(B)
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).