MESON Chess Problem Database
Problem Display
PID: 237368 (1q1Q1rb1/1P2N3/4PppK/5B2/pR1Bnkp1/r4Pb1/1N2Pp1P/3n2R1 w - - 0 1)
Dyachuk, Vasyl Vasilovich
Rochade Europa, 2004
#2
13 + 13
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Ra1
- 2.Sd3#
- 1...Ra2
- 2.Sd3#
- 1...Rd3
- 2.Sxd3#
- 1...Bxh2
- 2.Rxg4#
- 1...Bh4
- 2.Rxg4#
- 1...Sdc3
- 2.Sd3#
- 1...Sd2
- 2.hxg3#
- 1...Sec3
- 2.Sd3#
- 2.hxg3#
- 1...Sc5
- 2.hxg3#
- 1...Sg5
- 2.hxg3#
- 1...Sd6
- 2.hxg3#
- 1...gxf5
- 2.Sd5#
- 2.Sg6#
- 1...Ra1
- Tries
- 1.Bxf2?
- threat
- 2.Rxe4#
- 1...Ke5
- 2.Rxe4#
- 1...Qxb7
- 2.Qd6#
- 1...gxf5
- 2.Sg6#
- 1...Qe5
- 2.hxg3#
- 1...Re3
- 2.Bxg3#
- 1...Sc3
- 2.Sd3#
- 1...Sxf2!
- threat
- 1.Be3+?
- 1...Kxe3
- 2.Rxe4#
- 1...Ke5
- 2.Sc4#
- 2.Rxe4#
- 2.Qd4#
- 2.Qd5#
- 1...Sxe3
- 2.Rxe4#
- 1...Rxe3!
- 1...Kxe3
- 1.Bc5?
- threat
- 2.Rxe4#
- 1...Ke5
- 2.Rxe4#
- 1...Qxb7
- 2.Qd6#
- 1...gxf5
- 2.Sg6#
- 1...Qe5
- 2.hxg3#
- 1...Sc3
- 2.Sd3#
- 1...Re3!
- threat
- 1.Be5+?
- 1...Ke3
- 2.Rxe4#
- 1...Kxe5
- 2.Rxe4#
- 1...fxe5
- 2.Rxe4#
- 1...Qxe5!
- 1...Ke3
- 1.Bb6?
- threat
- 2.Rxe4#
- 1...Ke5
- 2.Rxe4#
- 1...Qxb7
- 2.Qd6#
- 1...gxf5
- 2.Sg6#
- 1...Qe5
- 2.hxg3#
- 1...Sc3
- 2.Sd3#
- 1...Re3!
- threat
- 1.Bxf6?
- threat
- 2.Rxe4#
- 1...Ke3
- 2.Rxe4#
- 1...gxf5
- 2.Sd5#
- 1...Re3
- 2.hxg3#
- 1...Qe5
- 2.Bg5#
- 1...Sc3
- 2.Qd2#
- 1...Qxb7!
- threat
- 1.Bxg4?
- threat
- 2.Sd5#
- 2.Sxg6#
- 1...Qxb7
- 2.Sxg6#
- 1...Qxd8
- 2.Sxg6#
- 1...Rxd8
- 2.Sxg6#
- 1...Bxe6
- 2.Sxg6#
- 1...Qe5
- 2.Sxg6#
- 1...Qd6
- 2.Sxg6#
- 1...Bf7
- 2.Sd5#
- 1...Bh7
- 2.Sd5#
- 1...Sdc3
- 2.Sd3#
- 2.Sxg6#
- 2.e3#
- 1...Se3
- 2.Sxg6#
- 1...Sec3
- 2.Sd3#
- 2.Sxg6#
- 2.hxg3#
- 1...g5
- 2.Sd5#
- 2.Sg6#
- 1...Rxf3!
- threat
- 1.Qc7+?
- 1...Sd6
- 2.hxg3#
- 1...Qxc7!
- 1...Sd6
- 1.Qd5?
- threat
- 2.Sxg6#
- 2.Qxe4#
- 1...Qxb7
- 2.Sxg6#
- 1...gxf5
- 2.Sg6#
- 2.Qxf5#
- 1...Re3
- 2.Sxg6#
- 1...Qe8
- 2.Qxe4#
- 1...Bf7
- 2.Qxe4#
- 1...Bh7
- 2.Qxe4#
- 1...Sdc3
- 2.Sd3#
- 2.Sxg6#
- 1...Sd2
- 2.Sxg6#
- 2.hxg3#
- 1...Sec3
- 2.Sd3#
- 2.Sxg6#
- 2.hxg3#
- 1...Sc5
- 2.Sxg6#
- 2.Bxc5#
- 2.hxg3#
- 1...Sg5
- 2.Sxg6#
- 2.hxg3#
- 1...Sd6
- 2.Sxg6#
- 2.hxg3#
- 1...g5
- 2.Sg6#
- 2.Qxe4#
- 1...Qe5!
- threat
- 1.Qd6+?
- 1...Sxd6
- 2.hxg3#
- 1...Qxd6!
- 1...Sxd6
- 1.Qxb8+?
- 1...Sd6
- 2.Qxd6#
- 2.hxg3#
- 1...Rxb8!
- 1...Sd6
- 1.fxe4?
- threat
- 2.Sd5#
- 2.Sxg6#
- 1...Qxb7
- 2.Sxg6#
- 2.Qd6#
- 1...Qxd8
- 2.Sxg6#
- 1...Rxd8
- 2.Sxg6#
- 1...Bxe6
- 2.Sxg6#
- 1...Qe5
- 2.Sxg6#
- 1...Qd6
- 2.Sxg6#
- 2.Qxd6#
- 1...Bf7
- 2.Sd5#
- 1...Bh7
- 2.Sd5#
- 1...Sc3
- 2.Sd3#
- 2.Sxg6#
- 2.hxg3#
- 1...Se3
- 2.Sxg6#
- 2.hxg3#
- 1...g5
- 2.Sd5#
- 2.Sg6#
- 1...gxf5!
- threat
- 1.fxg4?
- threat
- 2.Sd5#
- 2.Sxg6#
- 1...Qxb7
- 2.Sxg6#
- 1...Qxd8
- 2.Sxg6#
- 1...Rxd8
- 2.Sxg6#
- 1...Bxe6
- 2.Sxg6#
- 1...Qe5
- 2.Sxg6#
- 1...Qd6
- 2.Sxg6#
- 1...Bf7
- 2.Sd5#
- 1...Bh7
- 2.Sd5#
- 1...Sdc3
- 2.Sd3#
- 2.Sxg6#
- 1...Se3
- 2.Sxg6#
- 1...Sec3
- 2.Sd3#
- 2.Sxg6#
- 2.hxg3#
- 1...g5
- 2.Sd5#
- 2.Sg6#
- 1...gxf5!
- threat
- 1.Bxf2?
- Keys
- 1.Ba7!
- threat
- 2.Rxe4#
- 1...Ke5
- 2.Rxe4#
- 1...Qxb7
- 2.Qd6#
- 1...gxf5
- 2.Sg6#
- 1...Re3
- 2.Bxb8#
- 1...Qe5
- 2.hxg3#
- 1...Sc3
- 2.Sd3#
- threat
- 1.Ba7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 9
- Sets
- R(c);N_GUARD::S(B)
- R(c);N_GUARD::S(B),XR(c)
- B(d);OGATE,XP(D)::R1(A),XP(h)
- B(d);OGATE::R1(A),XP(h)
- S(a);S_CUTR(c)::S(B)
- S(f);N_GUARD::P(D),XB(d)
- Tries
- Try
- B(G);P_PINS(f),XP(b)
- Threat
- R1(F),XS(f)
- Vars
- K(g);N_SPINS(f),S_FLIGHT::R1(F),XS(f)
- Q(k);N_GUARD,XP(K)::QAB(M)
- P(j);SBLOCK,XB(H)::S(L)
- Q(k);SBLOCK::P(D),XB(d)
- R(c);SBLOCK::B(G),XB(d)
- S(a);S_CUTR(c)::S(B)
- Refutation
- S(a);XB(G)
- Try
- B(G);CHECK,P_PINS(f)
- Vars
- K(g);N_SPINS(f),S_FLIGHT,XB(G)::R1(F),XS(f)
- S(a);XB(G)::R1(F),XS(f)
- Refutation
- R(c);XB(G)
- Try
- B(G);P_PINS(f)
- Threat
- R1(F),XS(f)
- Vars
- K(g);N_SPINS(f),S_FLIGHT::R1(F),XS(f)
- Q(k);N_GUARD,XP(K)::QAB(M)
- P(j);SBLOCK,XB(H)::S(L)
- Q(k);SBLOCK::P(D),XB(d)
- S(a);S_CUTR(c)::S(B)
- Refutation
- R(c);
- Try
- B(G);CHECK,P_PINS(f)
- Vars
- K(g);N_SPINS(f),S_FLIGHT::R1(F),XS(f)
- K(g);N_SPINS(f),S_FLIGHT,XB(G)::R1(F),XS(f)
- P(i);XB(G)::R1(F),XS(f)
- Refutation
- Q(k);XB(G)
- Try
- B(G);P_PINS(f)
- Threat
- R1(F),XS(f)
- Vars
- K(g);N_SPINS(f),S_FLIGHT::R1(F),XS(f)
- Q(k);N_GUARD,XP(K)::QAB(M)
- P(j);SBLOCK,XB(H)::S(L)
- Q(k);SBLOCK::P(D),XB(d)
- S(a);S_CUTR(c)::S(B)
- Refutation
- R(c);
- Try
- B(G);P_PINS(f),XP(i)
- Threat
- R1(F),XS(f)
- Vars
- K(g);N_SPINS(f),S_FLIGHT::R1(F),XS(f)
- P(j);SBLOCK,XB(H)::S(L)
- R(c);SBLOCK::P(D),XB(d)
- Q(k);SBLOCK::B(G)
- S(a);N_GUARD,S_CUTR(c)::QAB(M)
- Refutation
- Q(k);XP(K)
- Try
- B(H);XP(h)
- Threat
- DUALS(2)
- Vars
- Q(k);XP(K)::S(L),XP(j)
- Q(k);XQ(M)::S(L),XP(j)
- R(l);XQ(M)::S(L),XP(j)
- B(m);XP(I)::S(L),XP(j)
- Q(k);::S(L),XP(j)
- B(m);::S(L)
- S(a);::S(L),XP(j)
- Refutation
- R(c);XP(E)
- Try
- Q(M);CHECK
- Vars
- S(f);P_SPINS(f)::P(D),XB(d)
- Refutation
- Q(k);XQ(M)
- Try
- Q(M);
- Threat
- DUALS(2)
- Vars
- Q(k);XP(K)::S(L),XP(j)
- R(c);::S(L),XP(j)
- Q(k);::QAR1(M),XS(f)
- B(m);::QAR1(M),XS(f)
- Refutation
- Q(k);
- Try
- Q(M);CHECK
- Vars
- S(f);XQ(M)::P(D),XB(d)
- Refutation
- Q(k);XQ(M)
- Try
- Q(M);CHECK,XQ(k)
- Refutation
- R(l);XQ(M)
- Try
- P(E);XS(f)
- Threat
- DUALS(2)
- Vars
- Q(k);XQ(M)::S(L),XP(j)
- R(l);XQ(M)::S(L),XP(j)
- B(m);XP(I)::S(L),XP(j)
- Q(k);::S(L),XP(j)
- B(m);::S(L)
- Refutation
- P(j);XB(H)
- Try
- P(E);XP(h)
- Threat
- DUALS(2)
- Vars
- Q(k);XP(K)::S(L),XP(j)
- Q(k);XQ(M)::S(L),XP(j)
- R(l);XQ(M)::S(L),XP(j)
- B(m);XP(I)::S(L),XP(j)
- Q(k);::S(L),XP(j)
- B(m);::S(L)
- S(a);::S(L),XP(j)
- Refutation
- P(j);XB(H)
- Try
- Actual
- B(G);P_PINS(f)
- Threat
- R1(F),XS(f)
- Vars
- K(g);N_SPINS(f),S_FLIGHT::R1(F),XS(f)
- Q(k);N_GUARD,XP(K)::QAB(M)
- P(j);SBLOCK,XB(H)::S(L)
- R(c);SBLOCK::B(G),XQ(k)
- Q(k);SBLOCK::P(D),XB(d)
- S(a);S_CUTR(c)::S(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).