MESON Chess Problem Database
Problem Display
PID: 250029 (r3r3/2nN2B1/2p5/q1p4R/P1k3p1/P1P2B2/2PpR3/2bN1K2 w - - 0 1)
Dyachuk, Vasyl Vasilovich
Markovtsy, Vassyl Yuriovich
Schweizerische Schachzeitung, 2003
#2
11 + 10
SOLUTION
- SOUND
- Sets
- 1...Qxc3
- 2.Sb6#
- 2.Rxc5#
- 1...Qb6
- 2.Sxb6#
- 1...Qxa4
- 2.Rxc5#
- 1...Qa6
- 2.Rxc5#
- 1...Rxe2
- 2.Bxe2#
- 1...Re3
- 2.Sxe3#
- 1...Re4
- 2.Rxe4#
- 1...Re5
- 2.Sxe5#
- 1...Rb8
- 2.Se3#
- 2.Se5#
- 2.Re4#
- 1...Rc8
- 2.Se3#
- 2.Se5#
- 2.Re4#
- 1...Rd8
- 2.Se3#
- 2.Se5#
- 2.Re4#
- 1...Rf8
- 2.Se3#
- 2.Se5#
- 2.Re4#
- 1...Rg8
- 2.Se3#
- 2.Se5#
- 2.Re4#
- 1...Rh8
- 2.Se3#
- 2.Se5#
- 2.Re4#
- 1...Bb2
- 2.Sxb2#
- 1...Sb5
- 2.Rxc5#
- 1...Se6
- 2.Se3#
- 2.Se5#
- 1...Qxc3
- Tries
- 1.Be4?
- threat
- 2.Se3#
- 2.Bd3#
- 1...Qxc3
- 2.Sb6#
- 2.Rxc5#
- 1...Qxa4
- 2.Bd3#
- 2.Rxc5#
- 1...Rxe4
- 2.Rxe4#
- 1...Re5
- 2.Sxe5#
- 1...Sd5
- 2.Bd3#
- 1...Rf8+!
- threat
- 1.Be5?
- threat
- 2.Se3#
- 1...Qxc3
- 2.Sb6#
- 1...Rxe5
- 2.Sxe5#
- 1...Sd5
- 2.Re4#
- 1...Qxa4!
- threat
- 1.Re3?
- threat
- 2.Be2#
- 1...Qxc3
- 2.Sb6#
- 2.Rxc3#
- 2.Rxc5#
- 1...Rxe3
- 2.Sxe3#
- 1...Re5
- 2.Sxe5#
- 1...Rf8
- 2.Se5#
- 2.Re4#
- 1...gxf3!
- threat
- 1.Re6?
- threat
- 2.Se3#
- 2.Se5#
- 2.Be2#
- 1...Qxc3
- 2.Sb6#
- 2.Rxc5#
- 1...Qxa4
- 2.Be2#
- 2.Rxc5#
- 1...gxf3
- 2.Se3#
- 1...Rf8
- 2.Se3#
- 2.Se5#
- 2.Re4#
- 1...Sd5
- 2.Se5#
- 2.Be2#
- 1...Rxe6!
- threat
- 1.Re7?
- threat
- 2.Se3#
- 2.Se5#
- 2.Be2#
- 1...Qxc3
- 2.Sb6#
- 2.Rxc5#
- 1...Qxa4
- 2.Be2#
- 2.Rxc5#
- 1...gxf3
- 2.Se3#
- 1...Rf8
- 2.Se3#
- 2.Se5#
- 2.Re4#
- 1...Sd5
- 2.Se5#
- 2.Be2#
- 1...Rxe7!
- threat
- 1.Rxe8?
- threat
- 2.Se3#
- 2.Se5#
- 2.Be2#
- 2.Re4#
- 1...Qxc3
- 2.Sb6#
- 2.Rxc5#
- 1...Qxa4
- 2.Be2#
- 2.Rxc5#
- 1...Sxe8
- 2.Se3#
- 2.Se5#
- 2.Be2#
- 1...gxf3
- 2.Se3#
- 2.Re4#
- 1...Sb5
- 2.Se3#
- 2.Se5#
- 2.Be2#
- 2.Rxc5#
- 1...Sd5
- 2.Se5#
- 2.Be2#
- 2.Re4#
- 1...Se6
- 2.Se3#
- 2.Se5#
- 2.Be2#
- 1...Rxe8!
- threat
- 1.Rhe5?
- threat
- 2.R2e4#
- 1...Qxc3
- 2.Rxc5#
- 1...Qxa4
- 2.Rxc5#
- 1...Rxe5
- 2.Sxe5#
- 1...Sb5
- 2.Rxc5#
- 1...Se6!
- threat
- 1.Be4?
- Keys
- 1.Ree5!
- threat
- 2.Be2#
- 1...Qxc3
- 2.Rxc5#
- 1...Rxe5
- 2.Sxe5#
- 1...gxf3
- 2.Rh4#
- 1...Rf8
- 2.Re4#
- threat
- 1.Ree5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 8
- Sets
- Q(e);N_GUARD::S(J),XQ(e)
- Q(e);N_GUARD,XP(H)::R1(I),XP(f)
- Q(e);N_GUARD::R1(I),XP(f)
- R(j);OGATE,XR(D)::B(G),XR(j)
- R(j);N_GUARD::S(A),XR(j)
- R(j);N_GUARD::R(D),XR(j)
- R(j);N_GUARD::S(J),XR(j)
- B(a);N_GUARD::S(A),XB(a)
- S(h);S_CUTQ(e)::R1(I),XP(f)
- Tries
- Try
- B(G);
- Threat
- DUALS(2)
- Vars
- R(j);OGATE,XB(G)::R(D),XR(j)
- R(j);N_GUARD::S(J),XR(j)
- S(h);::B(G)
- Refutation
- R(j);CHECK
- Try
- B(K);
- Threat
- S(A)
- Vars
- Q(e);N_GUARD,XP(F)::S(J)
- R(j);XB(K)::S(J),XR(j)
- S(h);SBLOCK::R(D)
- Refutation
- Q(e);XP(H)
- Try
- R(D);
- Threat
- B(G)
- Vars
- R(j);XR(D)::S(A),XR(j)
- R(j);N_GUARD::S(J),XR(j)
- Refutation
- P(d);XB(G)
- Try
- R(D);
- Threat
- DUALS(3)
- Vars
- P(d);XB(G)::S(A)
- Refutation
- R(j);XR(D)
- Try
- R(D);
- Threat
- DUALS(3)
- Vars
- P(d);XB(G)::S(A)
- Refutation
- R(j);XR(D)
- Try
- R(D);XR(j)
- Threat
- DUALS(4)
- Refutation
- R(i);XR(D)
- Try
- R(I);
- Threat
- R(D)
- Vars
- Q(e);N_GUARD,XP(F)::R1(I),XP(f)
- Q(e);N_GUARD,XP(H)::R1(I),XP(f)
- R(j);XR(I)::S(J),XR(j)
- S(h);S_CUTQ(e)::R1(I),XP(f)
- Refutation
- S(h);
- Try
- Actual
- R(D);
- Threat
- B(G)
- Vars
- Q(e);N_GUARD,XP(F)::R1(D),XP(f)
- R(j);XR(D)::S(J),XR(j)
- P(d);OGATEB,XB(G)::R(I)
- R(j);N_GUARD,P_PINB(G)::R(D)
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).