MESON Chess Problem Database
Problem Display
PID: 62498 (2B1nb2/p7/4NBR1/1Ppk4/2N2Qb1/r4n2/p3p3/K1R5 w - - 0 1)
Rossomakho, Yakov V
2nd Prize, Rukhlis-50 TT, 1997-1999
#2
9 + 10
SOLUTION
- SOUND
- Sets
- 1...Re3
- 2.Sxe3#
- 1...Ra4
- 2.Se3#
- 1...Ra5
- 2.Se3#
- 1...Ra6
- 2.Se3#
- 1...Bxe6
- 2.Bb7#
- 1...Se1
- 2.Qe5#
- 1...Sg1
- 2.Qe5#
- 1...Sd2
- 2.Qe5#
- 1...Sh2
- 2.Qe5#
- 1...Sd4
- 2.Qe5#
- 1...Sh4
- 2.Qe5#
- 1...Se5
- 2.Qxe5#
- 1...Sg5
- 2.Qe5#
- 1...Sd6
- 2.Sc7#
- 1...Sxf6
- 2.Sc7#
- 1...Sc7
- 2.Sxc7#
- 1...Sg7
- 2.Sc7#
- 1...a5
- 2.Sb6#
- 1...a6
- 2.Sb6#
- 1...Re3
- Tries
- 1.Sg5?
- threat
- 2.Bb7#
- 2.Qe4#
- 1...Bxc8
- 2.Qe4#
- 1...Sxg5
- 2.Qe5#
- 1...Sxf6
- 2.Bb7#
- 1...e1Q
- 2.Bb7#
- 1...e1R
- 2.Bb7#
- 1...Re3
- 2.Sxe3#
- 2.Bb7#
- 1...Ra6
- 2.Se3#
- 2.Qe4#
- 1...Bf5
- 2.Bb7#
- 1...Bd7
- 2.Qe4#
- 1...Sd2
- 2.Bb7#
- 2.Qe5#
- 1...Sd4
- 2.Qe5#
- 2.Qe4#
- 1...Se5
- 2.Qxe5#
- 2.Qe4#
- 1...Sd6!
- threat
- 1.Bc3?
- threat
- 2.Se3#
- 2.Bb7#
- 1...Rxc3
- 2.Bb7#
- 1...Sd4
- 2.Se3#
- 1...e1Q
- 2.Bb7#
- 1...e1R
- 2.Bb7#
- 1...Ra6
- 2.Se3#
- 1...Sd6
- 2.Se3#
- 2.Sc7#
- 1...Sf6
- 2.Se3#
- 2.Sc7#
- 1...Se5!
- threat
- 1.Bd4?
- threat
- 2.Bb7#
- 1...Sxd4
- 2.Qe5#
- 1...Ra6
- 2.Se3#
- 1...Se5
- 2.Qxe5#
- 1...Sd6
- 2.Sc7#
- 1...Sf6
- 2.Sc7#
- 1...Rc3!
- threat
- 1.Bh4?
- threat
- 2.Bb7#
- 1...Ra6
- 2.Se3#
- 1...Sd4
- 2.Qe5#
- 1...Se5
- 2.Qxe5#
- 1...Sd6
- 2.Sc7#
- 1...Sf6
- 2.Sc7#
- 1...Bg7+!
- threat
- 1.Be5?
- threat
- 2.Bb7#
- 1...Sxe5
- 2.Qxe5#
- 1...Ra6
- 2.Se3#
- 1...Sd6
- 2.Sc7#
- 1...Sf6
- 2.Sc7#
- 1...Sd4!
- threat
- 1.Bg5?
- threat
- 2.Bb7#
- 1...Ra6
- 2.Se3#
- 1...Sd4
- 2.Qe5#
- 1...Se5
- 2.Qxe5#
- 1...Sd6
- 2.Sc7#
- 1...Sf6
- 2.Sc7#
- 1...Bg7+!
- threat
- 1.Be7?
- threat
- 2.Bb7#
- 1...Ra6
- 2.Se3#
- 1...Sd4
- 2.Qe5#
- 1...Se5
- 2.Qxe5#
- 1...Sd6
- 2.Sc7#
- 1...Sf6
- 2.Sc7#
- 1...Bg7+!
- threat
- 1.Bg7?
- threat
- 2.Bb7#
- 1...Ra6
- 2.Se3#
- 1...Sd4
- 2.Qe5#
- 1...Se5
- 2.Qxe5#
- 1...Sd6
- 2.Sc7#
- 1...Sf6
- 2.Sc7#
- 1...Bxg7+!
- threat
- 1.Bd8?
- threat
- 2.Bb7#
- 1...Ra6
- 2.Se3#
- 1...Sd4
- 2.Qe5#
- 1...Se5
- 2.Qxe5#
- 1...Sd6
- 2.Sc7#
- 1...Sf6
- 2.Sc7#
- 1...Bg7+!
- threat
- 1.Bh8?
- threat
- 2.Bb7#
- 1...Ra6
- 2.Se3#
- 1...Sd4
- 2.Qe5#
- 1...Se5
- 2.Qxe5#
- 1...Sd6
- 2.Sc7#
- 1...Sf6
- 2.Sc7#
- 1...Bg7+!
- threat
- 1.Rg5+?
- 1...Se5
- 2.Rxe5#
- 2.Qxe5#
- 1...Sxg5
- 2.Qe5#
- 1...Bf5!
- 1...Se5
- 1.Qf5+?
- 1...Se5
- 2.Bb7#
- 2.Qxe5#
- 1...Bxf5!
- 1...Se5
- 1.Sg5?
- Keys
- 1.Bb2!
- threat
- 2.Bb7#
- 1...Ra6
- 2.Se3#
- 1...Sd4
- 2.Qe5#
- 1...Se5
- 2.Qxe5#
- 1...Sd6
- 2.Sc7#
- 1...Sf6
- 2.Sc7#
- threat
- 1.Bb2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 14
- Sets
- R(c);N_GUARD::S(C),XR(c)
- R(c);N_GUARD::S(C)
- B(e);SBLOCK,XS(F)::B(I)
- S(d);N_GUARD::QAR1(D)
- S(d);N_GUARD::QAR1(D),XS(d)
- S(i);N_GUARD::S(F)
- S(i);N_GUARD,XB(G)::S(F)
- S(i);N_GUARD::S(F),XS(i)
- P(h);N_GUARD::S(C)
- Tries
- Try
- S(F);
- Threat
- DUALS(2)
- Vars
- B(e);XB(I)::QAB1(D)
- S(d);N_GUARD,XS(F)::QAR1(D)
- S(i);XB(G)::B(I)
- P(b);P_PINR(B)::B(I)
- B(e);::B(I)
- B(e);::QAB1(D)
- Refutation
- S(i);
- Try
- B(G);
- Threat
- DUALS(2)
- Vars
- R(c);XB(G)::B(I)
- S(d);::S(C)
- P(b);P_PINR(B)::B(I)
- R(c);::S(C)
- Refutation
- S(d);
- Try
- B(G);
- Threat
- B(I)
- Vars
- S(d);N_GUARD,XB(G)::QAR1(D)
- R(c);N_GUARD::S(C)
- S(d);N_GUARD::QAR1(D),XS(d)
- S(i);N_GUARD::S(F)
- Refutation
- R(c);
- Try
- B(G);
- Threat
- B(I)
- Vars
- R(c);N_GUARD::S(C)
- S(d);N_GUARD::QAR1(D)
- S(d);N_GUARD::QAR1(D),XS(d)
- S(i);N_GUARD::S(F)
- Refutation
- B(j);CHECK
- Try
- B(G);
- Threat
- B(I)
- Vars
- S(d);OGATE,XB(G)::QAR1(D),XS(d)
- R(c);N_GUARD::S(C)
- S(i);N_GUARD::S(F)
- Refutation
- S(d);
- Try
- B(G);
- Threat
- B(I)
- Vars
- R(c);N_GUARD::S(C)
- S(d);N_GUARD::QAR1(D)
- S(d);N_GUARD::QAR1(D),XS(d)
- S(i);N_GUARD::S(F)
- Refutation
- B(j);CHECK
- Try
- B(G);
- Threat
- B(I)
- Vars
- R(c);N_GUARD::S(C)
- S(d);N_GUARD::QAR1(D)
- S(d);N_GUARD::QAR1(D),XS(d)
- S(i);N_GUARD::S(F)
- Refutation
- B(j);CHECK
- Try
- B(G);
- Threat
- B(I)
- Vars
- R(c);N_GUARD::S(C)
- S(d);N_GUARD::QAR1(D)
- S(d);N_GUARD::QAR1(D),XS(d)
- S(i);N_GUARD::S(F)
- Refutation
- B(j);CHECK,XB(G)
- Try
- B(G);
- Threat
- B(I)
- Vars
- R(c);N_GUARD::S(C)
- S(d);N_GUARD::QAR1(D)
- S(d);N_GUARD::QAR1(D),XS(d)
- S(i);N_GUARD::S(F)
- Refutation
- B(j);CHECK
- Try
- B(G);
- Threat
- B(I)
- Vars
- R(c);N_GUARD::S(C)
- S(d);N_GUARD::QAR1(D)
- S(d);N_GUARD::QAR1(D),XS(d)
- S(i);N_GUARD::S(F)
- Refutation
- B(j);CHECK
- Try
- R(H);CHECK
- Vars
- S(d);N_GUARD,XR(H)::QAR1(D)
- Refutation
- B(e);P_SPINB(e)
- Try
- Q(D);CHECK
- Refutation
- B(e);XQ(D)
- Try
- Actual
- B(G);
- Threat
- B(I)
- Vars
- R(c);N_GUARD::S(C)
- S(d);N_GUARD::QAR1(D)
- S(d);N_GUARD::QAR1(D),XS(d)
- S(i);N_GUARD::S(F)
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).