MESON Chess Problem Database
Problem Display
PID: 149360 (2r5/5Q1p/3p2p1/3Bk3/5R2/bNr2pp1/K2N1n2/B2n3q w - - 0 1)
Dyachuk, Vasyl Vasilovich
1st Prize, Suomen Shakki, 1994
#2
7 + 12
| 56 | The Problemist | 2012 |
SOLUTION
- SOUND
- Sets
- 1...Qe1
- 2.Sxf3#
- 1...Qf1
- 2.Sxf3#
- 1...Qg1
- 2.Sxf3#
- 1...Qh2
- 2.Sxf3#
- 1...Qh3
- 2.Sxf3#
- 1...Qh4
- 2.Sxf3#
- 1...Qh6
- 2.Sxf3#
- 1...Rc4
- 2.Sxc4#
- 1...Ra8
- 2.Sc4#
- 1...Rb8
- 2.Sc4#
- 1...Rd8
- 2.Sc4#
- 1...Re8
- 2.Sc4#
- 1...Rf8
- 2.Sc4#
- 1...Rg8
- 2.Sc4#
- 1...Rh8
- 2.Sc4#
- 1...Bc5
- 2.Sc4#
- 1...Sd3
- 2.Re4#
- 1...Sh3
- 2.Re4#
- 1...Se4
- 2.Rxe4#
- 1...Sg4
- 2.Re4#
- 1...g2
- 2.Sxf3#
- 1...g5
- 2.Rf5#
- 2.Qf5#
- 1...Qe1
- Tries
- 1.Sc5?
- threat
- 2.Sc4#
- 2.Sd7#
- 1...Bxc5
- 2.Sc4#
- 1...dxc5
- 2.Sc4#
- 1...Se4
- 2.Rxe4#
- 1...Qf1
- 2.Sxf3#
- 2.Sd7#
- 1...Qh3
- 2.Sxf3#
- 2.Sc4#
- 1...Rc7
- 2.Sc4#
- 1...Rd8
- 2.Sc4#
- 1...Bb2
- 2.Sd7#
- 1...Sb2
- 2.Sd7#
- 1...Se3
- 2.Sd7#
- 2.Bxc3#
- 1...Rxc5!
- threat
- 1.Bxf3?
- threat
- 2.Qf6#
- 1...Qxf3
- 2.Sxf3#
- 1...Rf8
- 2.Sc4#
- 1...Se4
- 2.Rxe4#
- 1...Sg4
- 2.Re4#
- 1...Qh4!
- threat
- 1.Bc4?
- threat
- 2.Qf6#
- 1...Rxc4
- 2.Sxc4#
- 1...Qh4
- 2.Sxf3#
- 1...Se4
- 2.Rxe4#
- 1...Sg4
- 2.Re4#
- 1...Rf8!
- threat
- 1.Be4?
- threat
- 2.Qf6#
- 1...Sxe4
- 2.Rxe4#
- 1...Qh4
- 2.Sxf3#
- 1...Rf8
- 2.Sc4#
- 1...Sg4!
- threat
- 1.Bc6?
- threat
- 2.Sc4#
- 2.Qf6#
- 1...d5
- 2.Qf6#
- 1...Qf1
- 2.Sxf3#
- 2.Qf6#
- 1...Qh4
- 2.Sxf3#
- 2.Sc4#
- 1...Rf8
- 2.Sc4#
- 1...Bb2
- 2.Qf6#
- 1...Sb2
- 2.Qf6#
- 1...Se3
- 2.Bxc3#
- 2.Qf6#
- 1...Se4
- 2.Sc4#
- 2.Rxe4#
- 1...Sg4
- 2.Sc4#
- 2.Re4#
- 1...Rxc6!
- threat
- 1.Be6?
- threat
- 2.Qf6#
- 1...Qh4
- 2.Sxf3#
- 1...Rf8
- 2.Sc4#
- 1...Se4
- 2.Rxe4#
- 1...Sg4
- 2.Re4#
- 1...d5!
- threat
- 1.Bb7?
- threat
- 2.Qf6#
- 1...Qh4
- 2.Sxf3#
- 1...Rf8
- 2.Sc4#
- 1...Se4
- 2.Rxe4#
- 1...Sg4
- 2.Re4#
- 1...Rc6!
- threat
- 1.Ba8?
- threat
- 2.Qf6#
- 1...Rxa8
- 2.Sc4#
- 1...Qh4
- 2.Sxf3#
- 1...Rf8
- 2.Sc4#
- 1...Se4
- 2.Rxe4#
- 1...Sg4
- 2.Re4#
- 1...Rc6!
- threat
- 1.Rxf3?
- threat
- 2.Qe6#
- 1...Qxf3
- 2.Sxf3#
- 1...Re8
- 2.Sc4#
- 1...Qh3!
- threat
- 1.Ra4?
- threat
- 2.Qe6#
- 1...Qh3
- 2.Sxf3#
- 1...Rc4
- 2.Sxc4#
- 1...Re8
- 2.Sc4#
- 1...Se4
- 2.Rxe4#
- 1...Bb4!
- threat
- 1.Rb4?
- threat
- 2.Qe6#
- 1...Qh3
- 2.Sxf3#
- 1...Rc4
- 2.Sxc4#
- 1...Re8
- 2.Sc4#
- 1...Se4
- 2.Rxe4#
- 1...Bxb4!
- threat
- 1.Rc4?
- threat
- 2.Qe6#
- 1...Rxc4
- 2.Sxc4#
- 1...Qh3
- 2.Sxf3#
- 1...Se4
- 2.Rxe4#
- 1...Re8!
- threat
- 1.Rd4?
- threat
- 2.Qe6#
- 2.Qf4#
- 1...Qh3
- 2.Qf4#
- 1...Qh4
- 2.Qe6#
- 1...Qh6
- 2.Qe6#
- 1...Re8
- 2.Qf4#
- 1...Rf8
- 2.Qe6#
- 1...Sd3
- 2.Re4#
- 2.Qe6#
- 1...Sh3
- 2.Re4#
- 2.Qe6#
- 1...Se4
- 2.Rxe4#
- 1...g5
- 2.Qe6#
- 1...Rc2+!
- threat
- 1.Rg4?
- threat
- 2.Rg5#
- 2.Qe6#
- 1...Qh3
- 2.Sxf3#
- 2.Qe6#
- 1...Qh4
- 2.Sxf3#
- 2.Qe6#
- 1...Qh5
- 2.Sxf3#
- 2.Qe6#
- 1...Qh6
- 2.Sxf3#
- 2.Qe6#
- 1...Re8
- 2.Sc4#
- 2.Rg5#
- 1...Se3
- 2.Qe6#
- 1...Sh3
- 2.Re4#
- 2.Qe6#
- 1...Se4
- 2.Rxe4#
- 2.Qe6#
- 1...g5
- 2.Rxg5#
- 2.Qe6#
- 1...h6
- 2.Qe6#
- 1...Sxg4!
- threat
- 1.Rh4?
- threat
- 2.Qe6#
- 1...Qxh4
- 2.Sxf3#
- 1...Qh3
- 2.Sxf3#
- 1...Re8
- 2.Sc4#
- 1...Sg4!
- threat
- 1.Sc5?
- Keys
- 1.Rf6!
- threat
- 2.Qe6#
- 1...Qh3
- 2.Sxf3#
- 1...Re8
- 2.Sc4#
- threat
- 1.Rf6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 19
- Sets
- Q(b);N_GUARD::S(C),XP(f)
- R(l);N_GUARD::S(C),XR(l)
- R(l);N_GUARD::S(C)
- B(d);S_CUTR(l)::S(C)
- S(c);N_GUARD::R1(E)
- S(c);N_GUARD::R1(E),XS(c)
- P(g);S_CUTQ(b)::S(C),XP(f)
- Tries
- Try
- S(D);
- Threat
- DUALS(2)
- Vars
- B(d);XS(D)::S(C)
- P(i);XS(D)::S(C)
- S(c);N_GUARD::R1(E),XS(c)
- R(l);::S(C)
- B(d);N_SPINR(e)::S(D)
- S(a);N_SPINR(e)::S(D)
- Refutation
- R(l);XS(D)
- Try
- B(F);XP(f)
- Threat
- QAB1(G)
- Vars
- Q(b);XB(F)::S(C),XQ(b)
- R(l);N_GUARD::S(C)
- S(c);N_GUARD::R1(E),XS(c)
- S(c);N_GUARD::R1(E)
- Refutation
- Q(b);
- Try
- B(F);
- Threat
- QAB1(G)
- Vars
- R(l);XB(F)::S(C),XR(l)
- Q(b);N_GUARD::S(C),XP(f)
- S(c);N_GUARD::R1(E),XS(c)
- S(c);N_GUARD::R1(E)
- Refutation
- R(l);
- Try
- B(F);
- Threat
- QAB1(G)
- Vars
- S(c);OGATE,XB(F)::R1(E),XS(c)
- Q(b);N_GUARD::S(C),XP(f)
- R(l);N_GUARD::S(C)
- Refutation
- S(c);
- Try
- B(F);
- Threat
- DUALS(2)
- Vars
- P(i);::QAB1(G)
- R(l);::S(C)
- B(d);N_SPINR(e)::QAB1(G)
- S(a);N_SPINR(e)::QAB1(G)
- Refutation
- R(l);XB(F)
- Try
- B(F);
- Threat
- QAB1(G)
- Vars
- Q(b);N_GUARD::S(C),XP(f)
- R(l);N_GUARD::S(C)
- S(c);N_GUARD::R1(E),XS(c)
- S(c);N_GUARD::R1(E)
- Refutation
- P(i);
- Try
- B(F);
- Threat
- QAB1(G)
- Vars
- Q(b);N_GUARD::S(C),XP(f)
- R(l);N_GUARD::S(C)
- S(c);N_GUARD::R1(E),XS(c)
- S(c);N_GUARD::R1(E)
- Refutation
- R(l);
- Try
- B(F);
- Threat
- QAB1(G)
- Vars
- R(l);N_GUARD,XB(F)::S(C)
- Q(b);N_GUARD::S(C),XP(f)
- R(l);N_GUARD::S(C)
- S(c);N_GUARD::R1(E),XS(c)
- S(c);N_GUARD::R1(E)
- Refutation
- R(l);
- Try
- R(E);XP(f)
- Threat
- QAR1(G)
- Vars
- Q(b);XR(E)::S(C),XQ(b)
- R(l);N_GUARD::S(C)
- Refutation
- Q(b);
- Try
- R(E);
- Threat
- QAR1(G)
- Vars
- Q(b);N_GUARD::S(C),XP(f)
- R(l);N_GUARD::S(C),XR(l)
- R(l);N_GUARD::S(C)
- S(c);N_GUARD::R1(E),XS(c)
- Refutation
- B(d);
- Try
- R(E);
- Threat
- QAR1(G)
- Vars
- Q(b);N_GUARD::S(C),XP(f)
- R(l);N_GUARD::S(C),XR(l)
- R(l);N_GUARD::S(C)
- S(c);N_GUARD::R1(E),XS(c)
- Refutation
- B(d);XR(E)
- Try
- R(E);
- Threat
- QAR1(G)
- Vars
- R(l);XR(E)::S(C),XR(l)
- Q(b);N_GUARD::S(C),XP(f)
- S(c);N_GUARD::R1(E),XS(c)
- Refutation
- R(l);
- Try
- R(E);N_PINR(e)
- Threat
- DUALS(2)
- Vars
- Q(b);::QAB1(G)
- Q(b);::QAR1(G)
- R(l);::QAB1(G)
- R(l);::QAR1(G)
- S(c);N_GUARD::R1(E),XS(c)
- P(j);::QAR1(G)
- Refutation
- R(e);CHECK
- Try
- R(E);
- Threat
- DUALS(2)
- Vars
- S(a);::QAR1(G)
- P(k);::QAR1(G)
- Refutation
- S(c);XR(E)
- Try
- R(E);
- Threat
- QAR1(G)
- Vars
- Q(b);N_GUARD,XR(E)::S(C),XP(f)
- Q(b);N_GUARD::S(C),XP(f)
- R(l);N_GUARD::S(C)
- Refutation
- S(c);
- Try
- Actual
- R(E);
- Threat
- QAR1(G)
- Vars
- Q(b);N_GUARD::S(C),XP(f)
- R(l);N_GUARD::S(C)
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Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
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