MESON Chess Problem Database
Problem Display
PID: 267256 (5n2/2Np3p/3r3p/1b2kP2/1KB1NpPQ/2P2P2/1B6/8 w - - 0 1)
Chernyavsky, Mykola Vasilovich
Derevchuk, Oleksandr Andrinovich
Zalokotsky, Roman Fedorovich (aka Fedorovich, Roman)
5th Prize, Problemist Ukraini, 2020
#2
10 + 8
| 6490 | yacpdb | 2022 |
SOLUTION
- SOUND
- Sets
- 1...Rd1
- 2.Qf6#
- 1...Rd2
- 2.Qf6#
- 1...Rd3
- 2.Qf6#
- 1...Rd4
- 2.Qf6#
- 2.cxd4#
- 1...Rd5
- 2.Qf6#
- 1...Rf6
- 2.Qxf6#
- 1...Se6
- 2.Qf6#
- 1...Rd1
- Tries
- 1.Sxd6?
- threat
- 2.Sf7#
- 1...Bxc4
- 2.Sxc4#
- 1...Kxd6!
- threat
- 1.Bd5?
- threat
- 2.c4#
- 1...Rxd5
- 2.Qf6#
- 1...Se6
- 2.Qf6#
- 1...Bc4!
- threat
- 1.Qe7+?
- 1...Se6
- 2.Qxd6#
- 2.Qf6#
- 1...Re6!
- 1...Se6
- 1.Qh5?
- threat
- 2.f6#
- 1...Rg6
- 2.fxg6#
- 1...Se6
- 2.fxe6#
- 1...Rf6!
- threat
- 1.f6?
- threat
- 2.Qh5#
- 1...Rxf6
- 2.Qxf6#
- 1...h5
- 2.Qg5#
- 2.Qxh5#
- 1...Se6!
- threat
- 1.Sxd6?
- Keys
- 1.Be6!
- threat
- 2.Qf6#
- 1...Rd4+
- 2.cxd4#
- 1...Rxe6
- 2.c4#
- threat
- 1.Be6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 6
- Sets
- R(d);N_GUARD::QAB1(H)
- R(d);N_GUARD::QAB1(H),XR(d)
- S(h);S_CUTR(d)::QAB1(H)
- Tries
- Try
- S(F);XR(d)
- Threat
- S(F)
- Vars
- B(b);XB(E)::S(F),XB(b)
- Refutation
- K(c);S_FLIGHT,XS(F)
- Try
- B(E);
- Threat
- B(A)+P(B)
- Vars
- R(d);N_GUARD,XB(E)::QAB1(H)
- S(h);S_CUTR(d)::QAB1(H)
- Refutation
- B(b);
- Try
- Q(H);CHECK
- Refutation
- R(d);P_SPINR(d)
- Try
- Q(H);
- Threat
- QAR(H)+P(I)
- Vars
- R(d);OGATE::QAR(H)+P(I),XR(d)
- S(h);OGATE::QAR(H)+P(I),XS(h)
- Refutation
- R(d);
- Try
- P(I);
- Threat
- QAR(H)
- Vars
- R(d);OGATE,XP(I)::QAB1(H),XR(d)
- Refutation
- S(h);
- Try
- Actual
- B(E);
- Threat
- QAB1(H)
- Vars
- R(d);CHECK,OGATE::P(B),XR(d)
- R(d);N_GUARD,XB(E)::B(A)+P(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).