MESON Chess Problem Database
Problem Display
PID: 15419 (8/3p4/3r1pK1/3R1P2/Nn1Bk1N1/pP1p1pPp/n6P/5Q2 w - - 0 1)
Rychkov, Vladimir Nikolaevich
3rd Prize, Sverdlovsk Ty., 1983
#2
10 + 10
| 4001 | Izbrannie Shakmatny Zadachi Vladimira Rychkova | 1997 |
SOLUTION
- SOUND
- Sets
- 1...Sc1
- 2.Sc3#
- 1...Sc3
- 2.Sxc3#
- 1...f2
- 2.Qh1#
- 1...Sc1
- Tries
- 1.Bg1?
- 1...Kxd5
- 2.Qxf3#
- 1...Rxd5
- 2.Qe1#
- 1...Sxd5
- 2.Sc5#
- 1...Ra6
- 2.Rd4#
- 1...Rb6
- 2.Rd4#
- 1...Rc6
- 2.Rd4#
- 1...Re6
- 2.Rd4#
- 1...Sc1
- 2.Sc3#
- 1...Sc3
- 2.Sxc3#
- 1...Sc2
- 2.Qxd3#
- 1...Sa6
- 2.Qxd3#
- 1...Sc6
- 2.Qxd3#
- 1...d2
- 2.Qc4#
- 1...f2!
- 1...Kxd5
- 1.Bb2?
- 1...Kxd5
- 2.Qxf3#
- 1...Rxd5
- 2.Qe1#
- 1...Sxd5
- 2.Sc5#
- 1...f2
- 2.Qh1#
- 1...Ra6
- 2.Rd4#
- 1...Rb6
- 2.Rd4#
- 1...Rc6
- 2.Rd4#
- 1...Re6
- 2.Rd4#
- 1...Sc1
- 2.Sc3#
- 1...Sc3
- 2.Sxc3#
- 1...Sc2
- 2.Qxd3#
- 1...Sa6
- 2.Qxd3#
- 1...Sc6
- 2.Qxd3#
- 1...d2
- 2.Qc4#
- 1...axb2!
- 1...Kxd5
- 1.Bf2?
- 1...Rxd5
- 2.Qe1#
- 1...Sxd5
- 2.Sc5#
- 1...Ra6
- 2.Rd4#
- 1...Rb6
- 2.Rd4#
- 1...Rc6
- 2.Rd4#
- 1...Re6
- 2.Rd4#
- 1...Sc1
- 2.Sc3#
- 1...Sc3
- 2.Sxc3#
- 1...Sc2
- 2.Qxd3#
- 1...Sa6
- 2.Qxd3#
- 1...Sc6
- 2.Qxd3#
- 1...d2
- 2.Qc4#
- 1...Kxd5!
- 1...Rxd5
- 1.Bc3?
- 1...Kxd5
- 2.Qxf3#
- 1...Rxd5
- 2.Qe1#
- 1...Sxc3
- 2.Sxc3#
- 1...Sxd5
- 2.Sc5#
- 1...f2
- 2.Qh1#
- 1...Ra6
- 2.Rd4#
- 1...Rb6
- 2.Rd4#
- 1...Rc6
- 2.Rd4#
- 1...Re6
- 2.Rd4#
- 1...Sc2
- 2.Qxd3#
- 1...Sa6
- 2.Qxd3#
- 1...Sc6
- 2.Qxd3#
- 1...d2
- 2.Qc4#
- 1...Sc1!
- 1...Kxd5
- 1.Be3?
- 1...Kxd5
- 2.Qxf3#
- 1...Sxd5
- 2.Sc5#
- 1...f2
- 2.Qh1#
- 1...Ra6
- 2.Rd4#
- 1...Rb6
- 2.Rd4#
- 1...Rc6
- 2.Rd4#
- 1...Re6
- 2.Rd4#
- 1...Sc1
- 2.Sc3#
- 1...Sc3
- 2.Sxc3#
- 1...Sc2
- 2.Qxd3#
- 1...Sa6
- 2.Qxd3#
- 1...Sc6
- 2.Qxd3#
- 1...d2
- 2.Qc4#
- 1...Rxd5!
- 1...Kxd5
- 1.Bc5?
- 1...Kxd5
- 2.Qxf3#
- 1...Rxd5
- 2.Qe1#
- 1...f2
- 2.Qh1#
- 1...Ra6
- 2.Rd4#
- 1...Rb6
- 2.Rd4#
- 1...Rc6
- 2.Rd4#
- 1...Re6
- 2.Rd4#
- 1...Sc1
- 2.Sc3#
- 1...Sc3
- 2.Sxc3#
- 1...Sc2
- 2.Qxd3#
- 1...Sa6
- 2.Qxd3#
- 1...Sc6
- 2.Qxd3#
- 1...d2
- 2.Qc4#
- 1...Sxd5!
- 1...Kxd5
- 1.Be5?
- 1...Kxd5
- 2.Qxf3#
- 1...Rxd5
- 2.Qe1#
- 1...Sxd5
- 2.Sc5#
- 1...f2
- 2.Qh1#
- 1...Ra6
- 2.Rd4#
- 1...Rb6
- 2.Rd4#
- 1...Rc6
- 2.Rd4#
- 1...Re6
- 2.Rd4#
- 1...Sc1
- 2.Sc3#
- 1...Sc3
- 2.Sxc3#
- 1...Sc2
- 2.Qxd3#
- 1...Sa6
- 2.Qxd3#
- 1...Sc6
- 2.Qxd3#
- 1...d2
- 2.Qc4#
- 1...fxe5+!
- 1...Kxd5
- 1.Bxf6?
- 1...Kxd5
- 2.Qxf3#
- 1...Rxd5
- 2.Qe1#
- 1...Sxd5
- 2.Sc5#
- 1...f2
- 2.Qh1#
- 1...Ra6
- 2.Rd4#
- 1...Rb6
- 2.Rd4#
- 1...Rc6
- 2.Rd4#
- 1...Re6
- 2.Rd4#
- 1...Sc1
- 2.Sc3#
- 1...Sc3
- 2.Sxc3#
- 1...Sc2
- 2.Qxd3#
- 1...Sa6
- 2.Qxd3#
- 1...Sc6
- 2.Qxd3#
- 1...d2
- 2.Qc4#
- 1...Rxf6+!
- 1...Kxd5
- 1.Re5+?
- 1...Kxd4
- 2.Qf2#
- 1...fxe5+!
- 1...Kxd4
- 1.Rxd6?
- threat
- 2.Sc5#
- 2.Sf2#
- 2.Sxf6#
- 2.Qe1#
- 1...f2
- 2.Qh1#
- 1...Sc1
- 2.Sc3#
- 2.Sc5#
- 2.Sf2#
- 2.Sxf6#
- 1...Sc3
- 2.Sxc3#
- 2.Sc5#
- 2.Sf2#
- 2.Sxf6#
- 1...Sc2
- 2.Sc5#
- 2.Sf2#
- 2.Sxf6#
- 1...Sa6
- 2.Sf2#
- 2.Sxf6#
- 2.Qe1#
- 1...d2
- 2.Sc5#
- 2.Sf2#
- 2.Sxf6#
- 1...Sd5!
- threat
- 1.Bg1?
- Keys
- 1.Ba1!
- 1...Kxd5
- 2.Qxf3#
- 1...Rxd5
- 2.Qe1#
- 1...Sxd5
- 2.Sc5#
- 1...f2
- 2.Qh1#
- 1...Ra6
- 2.Rd4#
- 1...Rb6
- 2.Rd4#
- 1...Rc6
- 2.Rd4#
- 1...Re6
- 2.Rd4#
- 1...Sc1
- 2.Sc3#
- 1...Sc3
- 2.Sxc3#
- 1...Sc2
- 2.Qxd3#
- 1...Sa6
- 2.Qxd3#
- 1...Sc6
- 2.Qxd3#
- 1...d2
- 2.Qc4#
- 1...Kxd5
- 1.Ba1!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 11
- REMOVED MATES = 0
- Sets
- S(a);N_GUARD::S(E)
- S(a);N_GUARD::S(E),XS(a)
- P(d);OGATEB::QAB(A)
- Tries
- Try
- B(F);
- Vars
- K(g);S_FLIGHT,XR(H)::QAB(A),XP(d)
- R(h);SBLOCK,XR(H)::QAR(A)
- S(f);SBLOCK,XR(H)::S(E)
- R(h);N_GUARD::R1(H)
- S(a);N_GUARD::S(E)
- S(a);N_GUARD::S(E),XS(a)
- S(f);N_GUARD::QAB1(A),XP(c)
- P(c);OGATE::QAR2(A)
- Refutation
- P(d);
- Try
- B(F);
- Vars
- K(g);S_FLIGHT,XR(H)::QAB(A),XP(d)
- R(h);SBLOCK,XR(H)::QAR(A)
- S(f);SBLOCK,XR(H)::S(E)
- P(d);OGATEB::QAB(A)
- R(h);N_GUARD::R1(H)
- S(a);N_GUARD::S(E)
- S(a);N_GUARD::S(E),XS(a)
- S(f);N_GUARD::QAB1(A),XP(c)
- P(c);OGATE::QAR2(A)
- Refutation
- P(b);XB(F)
- Try
- B(F);
- Vars
- R(h);SBLOCK,XR(H)::QAR(A)
- S(f);SBLOCK,XR(H)::S(E)
- R(h);N_GUARD::R1(H)
- S(a);N_GUARD::S(E)
- S(a);N_GUARD::S(E),XS(a)
- S(f);N_GUARD::QAB1(A),XP(c)
- P(c);OGATE::QAR2(A)
- Refutation
- K(g);S_FLIGHT,XR(H)
- Try
- B(F);
- Vars
- K(g);S_FLIGHT,XR(H)::QAB(A),XP(d)
- R(h);SBLOCK,XR(H)::QAR(A)
- S(a);XB(F)::S(E),XS(a)
- S(f);SBLOCK,XR(H)::S(E)
- P(d);OGATEB::QAB(A)
- R(h);N_GUARD::R1(H)
- S(f);N_GUARD::QAB1(A),XP(c)
- P(c);OGATE::QAR2(A)
- Refutation
- S(a);
- Try
- B(F);
- Vars
- K(g);S_FLIGHT,XR(H)::QAB(A),XP(d)
- S(f);SBLOCK,XR(H)::S(E)
- P(d);OGATEB::QAB(A)
- R(h);N_GUARD::R1(H)
- S(a);N_GUARD::S(E)
- S(a);N_GUARD::S(E),XS(a)
- S(f);N_GUARD::QAB1(A),XP(c)
- P(c);OGATE::QAR2(A)
- Refutation
- R(h);XR(H)
- Try
- B(F);
- Vars
- K(g);S_FLIGHT,XR(H)::QAB(A),XP(d)
- R(h);SBLOCK,XR(H)::QAR(A)
- P(d);OGATEB::QAB(A)
- R(h);N_GUARD::R1(H)
- S(a);N_GUARD::S(E)
- S(a);N_GUARD::S(E),XS(a)
- S(f);N_GUARD::QAB1(A),XP(c)
- P(c);OGATE::QAR2(A)
- Refutation
- S(f);XR(H)
- Try
- B(F);
- Vars
- K(g);S_FLIGHT,XR(H)::QAB(A),XP(d)
- R(h);SBLOCK,XR(H)::QAR(A)
- S(f);SBLOCK,XR(H)::S(E)
- P(d);OGATEB::QAB(A)
- R(h);N_GUARD::R1(H)
- S(a);N_GUARD::S(E)
- S(a);N_GUARD::S(E),XS(a)
- S(f);N_GUARD::QAB1(A),XP(c)
- P(c);OGATE::QAR2(A)
- Refutation
- P(i);CHECK,XB(F)
- Try
- B(F);P_SPINB(F),XP(i)
- Vars
- K(g);S_FLIGHT,XR(H)::QAB(A),XP(d)
- R(h);N_PINB(F),SBLOCK,XR(H)::QAR(A)
- S(f);SBLOCK,XR(H)::S(E)
- P(d);OGATEB::QAB(A)
- R(h);N_GUARD::R1(H)
- S(a);N_GUARD::S(E)
- S(a);N_GUARD::S(E),XS(a)
- S(f);N_GUARD::QAB1(A),XP(c)
- P(c);OGATE::QAR2(A)
- Refutation
- R(h);CHECK,XB(F)
- Try
- R(H);CHECK
- Vars
- K(g);P-FLIGHT,XB(F)::QAB(A)
- Refutation
- P(i);CHECK,XR(H)
- Try
- R(H);XR(h)
- Threat
- DUALS(4)
- Vars
- P(d);OGATEB::QAB(A)
- Refutation
- S(f);
- Try
- Actual
- B(F);
- Vars
- K(g);S_FLIGHT,XR(H)::QAB(A),XP(d)
- R(h);SBLOCK,XR(H)::QAR(A)
- S(f);SBLOCK,XR(H)::S(E)
- P(d);OGATEB::QAB(A)
- R(h);N_GUARD::R1(H)
- S(a);N_GUARD::S(E)
- S(a);N_GUARD::S(E),XS(a)
- S(f);N_GUARD::QAB1(A),XP(c)
- P(c);OGATE::QAR2(A)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
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