MESON Chess Problem Database
Problem Display
PID: 260879 (1bBB2b1/4nP2/1NR1P3/1N1Pk1K1/3rp3/4n3/4QPp1/6q1 w - - 0 1)
Dyachuk, Vasyl Vasilovich
Melnichenko, Viktor Oleksandrovich
4th Prize, Neue Zurcher Zeitung, 2007
#2
11 + 9
| 6490 | yacpdb | 2022 |
SOLUTION
- SOUND
- Sets
- 1...Ba7
- 2.Bc7#
- 1...Bc7
- 2.Bxc7#
- 1...Sd1
- 2.f4#
- 1...Sf1
- 2.f4#
- 1...Sc2
- 2.f4#
- 1...Sc4
- 2.f4#
- 1...Sg4
- 2.f4#
- 1...S3xd5
- 2.Sd7#
- 1...S3f5
- 2.f4#
- 1...S7xd5
- 2.Sd7#
- 1...S7f5
- 2.Bf6#
- 1...Sxc6
- 2.Bf6#
- 1...Sg6
- 2.Bf6#
- 1...Sxc8
- 2.Bf6#
- 1...Ba7
- Tries
- 1.Bxe7?
- threat
- 2.Bf6#
- 1...Sxd5
- 2.Sd7#
- 1...Sg4
- 2.f4#
- 1...Qxf2!
- threat
- 1.Qxe3?
- threat
- 2.Qxd4#
- 2.Qf4#
- 2.Qg3#
- 2.f4#
- 1...Rxd5
- 2.Sc4#
- 2.Qf4#
- 2.Qg3#
- 2.f4#
- 1...Sxd5
- 2.Sd7#
- 2.Qxd4#
- 1...Sxc6
- 2.Bf6#
- 2.Qf4#
- 2.Qg3#
- 2.f4#
- 1...Qh2
- 2.Qxd4#
- 1...Qa1
- 2.Qf4#
- 2.Qg3#
- 2.f4#
- 1...Qc1
- 2.f4#
- 1...Qd1
- 2.Qf4#
- 2.Qg3#
- 2.f4#
- 1...Qf1
- 2.Qxd4#
- 2.Qf4#
- 2.Qg3#
- 1...Rd1
- 2.Qf4#
- 2.Qg3#
- 2.f4#
- 1...Rd2
- 2.Qf4#
- 2.Qg3#
- 2.f4#
- 1...Rd3
- 2.Qf4#
- 2.f4#
- 1...Ra4
- 2.Qf4#
- 2.Qg3#
- 2.f4#
- 1...Rb4
- 2.Qf4#
- 2.Qg3#
- 2.f4#
- 1...Rc4
- 2.Qf4#
- 2.Qg3#
- 2.f4#
- 1...Sf5
- 2.Bf6#
- 2.Qf4#
- 2.f4#
- 1...Sg6
- 2.Bf6#
- 2.Qxd4#
- 1...Qxf2!
- threat
- 1.f8Q?
- threat
- 2.Qg7#
- 2.Qf4#
- 2.Qf6#
- 1...S3xd5
- 2.Sd7#
- 1...S7xd5
- 2.Sd7#
- 1...Qh2
- 2.Qg7#
- 2.Qf6#
- 1...Bf7
- 2.Qg7#
- 2.Qh8#
- 1...Sg4
- 2.Qf4#
- 2.f4#
- 1...S3f5
- 2.Qf6#
- 2.f4#
- 1...S7f5
- 2.Bf6#
- 2.Qf6#
- 1...Sg6
- 2.Bf6#
- 2.Qg7#
- 2.Qf6#
- 1...Qxf2!
- threat
- 1.f8S?
- threat
- 2.Sfd7#
- 1...Bxe6
- 2.Rxe6#
- 1...Rxd5!
- threat
- 1.f8B?
- threat
- 2.Bg7#
- 1...S3xd5
- 2.Sd7#
- 1...S7xd5
- 2.Sd7#
- 1...Sg4
- 2.f4#
- 1...S3f5
- 2.f4#
- 1...S7f5
- 2.Bf6#
- 1...Qxf2!
- threat
- 1.Bxe7?
- Keys
- 1.Rc5!
- threat
- 2.Sd7#
- 1...Rxd5
- 2.Qb2#
- 1...S3xd5
- 2.f4#
- 1...S7xd5
- 2.Bf6#
- threat
- 1.Rc5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 1
- REMOVED MATES = 12
- Sets
- B(h);N_GUARD::B(K)
- B(h);N_GUARD::B(K),XB(h)
- S(c);P_SPINP(e)::P(B)
- S(c);P_SPINP(e),SBLOCK,XP(D)::S(F)
- S(g);SBLOCK,XP(D)::S(F)
- S(g);OGATE::B(K)
- S(g);OGATE,XR(G)::B(K)
- S(g);OGATE,XB(J)::B(K)
- Tries
- Try
- B(K);XS(g)
- Threat
- B(K)
- Vars
- S(c);P_SPINP(e),SBLOCK,XP(D)::S(F)
- S(c);P_SPINP(e)::P(B)
- Refutation
- Q(a);XP(B)
- Try
- Q(A);P_PINP(e),XS(c)
- Threat
- DUALS(4)
- Vars
- Q(a);::QAB1(A),XR(d)
- Q(a);P_PINQ(A)::P(B)
- Refutation
- Q(a);XP(B)
- Try
- P(I);
- Threat
- DUALS(3)
- Vars
- S(c);P_SPINP(e),SBLOCK,XP(D)::S(F)
- S(g);SBLOCK,XP(D)::S(F)
- Refutation
- Q(a);XP(B)
- Try
- P(I);
- Threat
- S(I)
- Vars
- B(i);OGATE,XP(H)::R1(G),XB(i)
- Refutation
- R(d);XP(D)
- Try
- P(I);
- Threat
- B(I)
- Vars
- S(c);P_SPINP(e),SBLOCK,XP(D)::S(F)
- S(g);SBLOCK,XP(D)::S(F)
- S(c);P_SPINP(e)::P(B)
- S(g);OGATE::B(K)
- Refutation
- Q(a);XP(B)
- Try
- Actual
- R(G);
- Threat
- S(F)
- Vars
- R(d);OGATEB,P_SPINR(d),XP(D)::QAB(A)
- S(c);P_SPINP(e),P_SPINS(c),XP(D)::P(B)
- S(g);OGATE,P_SPINS(g),XP(D)::B(K)
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).