MESON Chess Problem Database
Problem Display
PID: 58792 (4RK2/5pQb/2p4P/P3Pr1p/RB2Nk1P/P1PppP2/1b4B1/4rn1N w - - 0 1)
Dyachuk, Vasyl Vasilovich
2nd Prize, Rochade Europa, 2000-2001
#2
15 + 11
| 145 | StrateGems | 2005 |
| 56 | The Problemist | 2005 |
| 23 | Die Schwalbe | 2007 |
SOLUTION
- SOUND
- Sets
- 1...Rxe5
- 2.Qxe5#
- 1...Rg5
- 2.Qxg5#
- 1...Rf6
- 2.Qg5#
- 1...Sd2
- 2.Qg3#
- 1...Sh2
- 2.Qg3#
- 1...Sg3
- 2.Qxg3#
- 1...Rxe5
- Tries
- 1.Sd2?
- threat
- 2.Bc5#
- 2.Bd6#
- 2.Be7#
- 1...Rxe5
- 2.Qxe5#
- 1...Bxa3
- 2.Bxa3#
- 1...Bxc3
- 2.Bxc3#
- 1...Sxd2
- 2.Qg3#
- 1...Rg5
- 2.Qxg5#
- 1...Rf6
- 2.Qg5#
- 1...e2
- 2.Bc5#
- 1...Sg3
- 2.Qxg3#
- 1...c5
- 2.Bxc5#
- 1...f6
- 2.Bc5#
- 2.Bd6#
- 1...exd2!
- threat
- 1.Sef2?
- threat
- 2.Sxd3#
- 2.Sh3#
- 2.Bc5#
- 2.Bd6#
- 2.Be7#
- 1...Rxe5
- 2.Qxe5#
- 1...Bxa3
- 2.Sxd3#
- 2.Sh3#
- 2.Bxa3#
- 1...Bxc3
- 2.Sxd3#
- 2.Sh3#
- 2.Bxc3#
- 1...Rg5
- 2.Qxg5#
- 1...Rf6
- 2.Qg5#
- 1...e2
- 2.Bc5#
- 1...Rd1
- 2.Sh3#
- 2.Bc5#
- 2.Bd6#
- 2.Be7#
- 1...Sd2
- 2.Sxd3#
- 2.Sh3#
- 2.Qg3#
- 1...Sg3
- 2.Sxd3#
- 2.Sh3#
- 2.Qxg3#
- 1...d2
- 2.Sd3#
- 2.Sh3#
- 2.Bc5#
- 2.Bd6#
- 2.Be7#
- 1...c5
- 2.Sxd3#
- 2.Sh3#
- 2.Bxc5#
- 1...f6
- 2.Sxd3#
- 2.Sh3#
- 2.Bc5#
- 2.Bd6#
- 1...exf2!
- threat
- 1.Seg3?
- threat
- 2.Bc5#
- 2.Bd6#
- 2.Be7#
- 1...Rxe5
- 2.Qxe5#
- 1...Bxa3
- 2.Bxa3#
- 1...Bxc3
- 2.Bxc3#
- 1...Sxg3
- 2.Qxg3#
- 1...e2
- 2.Bc5#
- 1...Rg5
- 2.Qxg5#
- 1...Rf6
- 2.Qg5#
- 1...c5
- 2.Bxc5#
- 1...f6
- 2.Bc5#
- 2.Bd6#
- 1...Sd2!
- threat
- 1.Sg5?
- threat
- 2.Sh3#
- 2.Bc5#
- 2.Bd6#
- 2.Be7#
- 1...Rxe5
- 2.Qxe5#
- 1...Rxg5
- 2.Qxg5#
- 1...Bxa3
- 2.Sh3#
- 2.Bxa3#
- 1...Bxc3
- 2.Sh3#
- 2.Bxc3#
- 1...e2
- 2.Bc5#
- 1...Sd2
- 2.Sh3#
- 1...Sg3
- 2.Sh3#
- 1...c5
- 2.Sh3#
- 2.Bxc5#
- 1...f6
- 2.Sh3#
- 2.Bc5#
- 2.Bd6#
- 1...Rf6!
- threat
- 1.Sf6?
- threat
- 2.Bc5#
- 2.Bd6#
- 1...Rxf6
- 2.Qg5#
- 1...Bxa3
- 2.Bxa3#
- 1...Bxc3
- 2.Bxc3#
- 1...Rg5
- 2.Qxg5#
- 1...e2
- 2.Bc5#
- 1...Sd2
- 2.Qg3#
- 1...Sg3
- 2.Qxg3#
- 1...c5
- 2.Sd5#
- 2.Bxc5#
- 1...Rxe5!
- threat
- 1.Bc5?
- threat
- 2.Sd2#
- 2.Sef2#
- 2.Seg3#
- 2.Sg5#
- 2.Sd6#
- 2.Sf6#
- 1...Rxe5
- 2.Qxe5#
- 1...Bxc3
- 2.Sxc3#
- 1...Rg5
- 2.Qxg5#
- 1...Rf6
- 2.Qg5#
- 1...Sd2
- 2.Sxd2#
- 2.Qg3#
- 1...Sg3
- 2.Sexg3#
- 2.Qxg3#
- 1...d2
- 2.Sxd2#
- 2.Sef2#
- 2.Seg3#
- 2.Sg5#
- 2.Sd6#
- 2.Sf6#
- 1...f6
- 2.Sd2#
- 2.Sef2#
- 2.Seg3#
- 2.Sg5#
- 2.Sd6#
- 2.Sxf6#
- 1...Bxa3!
- threat
- 1.Sd2?
- Keys
- 1.Sd6!
- threat
- 2.Bc5#
- 1...Rxe5
- 2.Qxe5#
- 1...Bxa3
- 2.Bxa3#
- 1...Bxc3
- 2.Bxc3#
- 1...Rg5
- 2.Qxg5#
- 1...Rf6
- 2.Qg5#
- 1...Sd2
- 2.Qg3#
- 1...Sg3
- 2.Qxg3#
- 1...c5
- 2.Bxc5#
- threat
- 1.Sd6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 1
- Sets
- R(g);OGATE,XP(K)::QAB1(M),XR(g)
- R(g);N_GUARD::QAB1(M),XR(g)
- R(g);N_GUARD::QAB1(M)
- S(b);N_GUARD::QAB1(M)
- S(b);N_GUARD::QAB1(M),XS(b)
- Tries
- Try
- S(H);
- Threat
- DUALS(3)
- Vars
- R(g);OGATE,XP(K)::QAB1(M),XR(g)
- B(c);OGATE,P_PINB(G),XP(C)::R(F)+B(G),XB(c)
- B(c);OGATE,XP(D)::R(F)+B(G),XB(c)
- S(b);N_GUARD,XS(H)::QAB1(M)
- R(g);N_GUARD::QAB1(M),XR(g)
- R(g);N_GUARD::QAB1(M)
- P(e);::R(F)+B(G)
- S(b);N_GUARD::QAB1(M),XS(b)
- P(i);::R(F)+B(G),XP(i)
- Refutation
- P(e);XS(H)
- Try
- S(H);
- Threat
- DUALS(5)
- Vars
- R(g);OGATE,XP(K)::QAB1(M),XR(g)
- R(g);N_GUARD::QAB1(M),XR(g)
- R(g);N_GUARD::QAB1(M)
- P(e);::R(F)+B(G)
- Refutation
- P(e);XS(H)
- Try
- S(H);
- Threat
- DUALS(3)
- Vars
- R(g);OGATE,XP(K)::QAB1(M),XR(g)
- B(c);OGATE,P_PINB(G),XP(C)::R(F)+B(G),XB(c)
- B(c);OGATE,XP(D)::R(F)+B(G),XB(c)
- S(b);OGATE,XS(H)::QAB1(M),XS(b)
- P(e);::R(F)+B(G)
- R(g);N_GUARD::QAB1(M),XR(g)
- R(g);N_GUARD::QAB1(M)
- P(i);::R(F)+B(G),XP(i)
- Refutation
- S(b);
- Try
- S(H);
- Threat
- DUALS(4)
- Vars
- R(g);OGATE,XP(K)::QAB1(M),XR(g)
- R(g);OGATE,XS(H)::QAB1(M),XR(g)
- P(e);::R(F)+B(G)
- S(b);::S(H)
- Refutation
- R(g);
- Try
- S(H);
- Threat
- DUALS(2)
- Vars
- R(g);N_GUARD,XS(H)::QAB1(M)
- B(c);OGATE,P_PINB(G),XP(C)::R(F)+B(G),XB(c)
- B(c);OGATE,XP(D)::R(F)+B(G),XB(c)
- R(g);N_GUARD::QAB1(M),XR(g)
- P(e);::R(F)+B(G)
- S(b);N_GUARD::QAB1(M)
- S(b);N_GUARD::QAB1(M),XS(b)
- Refutation
- R(g);XP(K)
- Try
- B(G);
- Threat
- DUALS(6)
- Vars
- R(g);OGATE,XP(K)::QAB1(M),XR(g)
- B(c);XP(D)::R(F)+S(H),XB(c)
- R(g);N_GUARD::QAB1(M),XR(g)
- R(g);N_GUARD::QAB1(M)
- Refutation
- B(c);P_PINB(G),XP(C)
- Try
- Actual
- S(H);
- Threat
- R(F)+B(G)
- Vars
- R(g);OGATE,XP(K)::QAB1(M),XR(g)
- B(c);OGATE,XP(C)::R(F)+B(G),XB(c)
- B(c);OGATE,XP(D)::R(F)+B(G),XB(c)
- R(g);N_GUARD::QAB1(M),XR(g)
- R(g);N_GUARD::QAB1(M)
- S(b);N_GUARD::QAB1(M)
- S(b);N_GUARD::QAB1(M),XS(b)
- P(i);::R(F)+B(G),XP(i)
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).