MESON Chess Problem Database
Problem Display
PID: 180114 (8/3Np3/1pKp4/1QpR2R1/2r1k3/p1p3P1/BnP2PPn/8 w - - 0 1)
Parzuch, Stefan
5th Prize, Polski Zwiazek Szachowy, 2016
#2
10 + 10
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Ra4
- 2.Qe2#
- 1...Rb4
- 2.Qe2#
- 1...Rd4
- 2.Qe2#
- 1...Sd1
- 2.Qxc4#
- 1...Sd3
- 2.Qxc4#
- 2.cxd3#
- 1...Sa4
- 2.Qxc4#
- 1...Sf1
- 2.Rg4#
- 1...Sf3
- 2.Rg4#
- 1...Sg4
- 2.Rxg4#
- 1...e5
- 2.Sf6#
- 1...e6
- 2.Sf6#
- 1...Ra4
- Tries
- 1.Bb1?
- 1...Sf1
- 2.Rg4#
- 1...Ra4
- 2.Qe2#
- 1...Rb4
- 2.Qe2#
- 1...Rd4
- 2.Qe2#
- 1...Sd1
- 2.Qxc4#
- 1...Sd3
- 2.Qxc4#
- 2.cxd3#
- 1...Sa4
- 2.Qxc4#
- 1...Sf3
- 2.Rg4#
- 1...Sg4
- 2.Rxg4#
- 1...e5
- 2.Sf6#
- 1...e6
- 2.Sf6#
- 1...a2!
- 1...Sf1
- 1.Bb3?
- 1...Sf1
- 2.Rg4#
- 1...Ra4
- 2.Qe2#
- 1...Rb4
- 2.Qe2#
- 1...Rd4
- 2.Qe2#
- 1...Sd1
- 2.Qxc4#
- 1...Sd3
- 2.Qxc4#
- 2.cxd3#
- 1...Sa4
- 2.Qxc4#
- 1...Sf3
- 2.Rg4#
- 1...Sg4
- 2.Rxg4#
- 1...e5
- 2.Sf6#
- 1...e6
- 2.Sf6#
- 1...a2!
- 1...Sf1
- 1.Bxc4?
- 1...Sxc4
- 2.Qxc4#
- 1...Sf1
- 2.Rg4#
- 1...Sd1
- 2.Bd3#
- 1...Sd3
- 2.Bxd3#
- 2.cxd3#
- 1...Sa4
- 2.Bd3#
- 1...Sf3
- 2.Rg4#
- 1...Sg4
- 2.Rxg4#
- 1...e5
- 2.Sf6#
- 1...e6
- 2.Sf6#
- 1...a2!
- 1...Sxc4
- 1.Rdf5?
- threat
- 2.Rf4#
- 1...Kd4
- 2.Rf4#
- 1...Sd3
- 2.Qxc4#
- 1...e5!
- threat
- 1.Rgf5?
- threat
- 2.Rf4#
- 1...Sd3
- 2.Qxc4#
- 2.cxd3#
- 1...e5!
- threat
- 1.Rg6?
- threat
- 2.Re6#
- 1...Sd3
- 2.Qxc4#
- 2.cxd3#
- 1...Sf3
- 2.Rg4#
- 1...Sg4
- 2.Rxg4#
- 1...e6
- 2.Sf6#
- 2.Rxe6#
- 1...e5!
- threat
- 1.Rg7?
- threat
- 2.Rxe7#
- 1...Sd3
- 2.Qxc4#
- 2.cxd3#
- 1...Sf3
- 2.Rg4#
- 1...Sg4
- 2.Rxg4#
- 1...e6
- 2.Sf6#
- 1...e5!
- threat
- 1.Rg8?
- 1...Sf1
- 2.Rg4#
- 1...Ra4
- 2.Qe2#
- 1...Rb4
- 2.Qe2#
- 1...Rd4
- 2.Qe2#
- 1...Sd1
- 2.Qxc4#
- 1...Sd3
- 2.Qxc4#
- 2.cxd3#
- 1...Sa4
- 2.Qxc4#
- 1...Sf3
- 2.Rg4#
- 1...Sg4
- 2.Rxg4#
- 1...e6
- 2.Sf6#
- 1...e5!
- 1...Sf1
- 1.Qa6?
- 1...Sf1
- 2.Rg4#
- 1...Ra4
- 2.Qe2#
- 1...Rb4
- 2.Qe2#
- 1...Rd4
- 2.Qe2#
- 1...Sd1
- 2.Qxc4#
- 1...Sd3
- 2.Qxc4#
- 2.cxd3#
- 1...Sa4
- 2.Qxc4#
- 1...Sf3
- 2.Rg4#
- 1...Sg4
- 2.Rxg4#
- 1...e5
- 2.Sf6#
- 1...e6
- 2.Sf6#
- 1...b5!
- 1...Sf1
- 1.Bb1?
- Keys
- 1.Rd3!
- 1...Sxd3
- 2.Qxc4#
- 1...Sf1
- 2.f3#
- 1...Ra4
- 2.Bd5#
- 1...Rb4
- 2.Bd5#
- 1...Rd4
- 2.Re3#
- 1...Sd1
- 2.Qxc4#
- 1...Sa4
- 2.Qxc4#
- 1...Sf3
- 2.gxf3#
- 1...Sg4
- 2.f3#
- 1...d5
- 2.Re5#
- 1...e5
- 2.Sf6#
- 1...e6
- 2.Sf6#
- 1...Sxd3
- 1.Rd3!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 6
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- R(e);OGATE::QAR2(F)
- S(a);N_GUARD::QAR2(F),XR(e)
- S(b);N_GUARD::R(H)
- S(b);N_GUARD::R(H),XS(b)
- P(j);N_GUARD::S(J)
- Tries
- Try
- B(A);
- Vars
- S(b);N_GUARD::R(H)
- R(e);OGATE::QAR2(F)
- S(a);N_GUARD::QAR2(F),XR(e)
- S(b);N_GUARD::R(H),XS(b)
- P(j);N_GUARD::S(J)
- Refutation
- P(c);
- Try
- B(A);
- Vars
- S(b);N_GUARD::R(H)
- R(e);OGATE::QAR2(F)
- S(a);N_GUARD::QAR2(F),XR(e)
- S(b);N_GUARD::R(H),XS(b)
- P(j);N_GUARD::S(J)
- Refutation
- P(c);
- Try
- B(A);XR(e)
- Vars
- S(a);OGATE,XB(A)::QAR2(F),XS(a)
- S(b);N_GUARD::R(H)
- S(a);N_GUARD::B(A)
- S(b);N_GUARD::R(H),XS(b)
- P(j);N_GUARD::S(J)
- Refutation
- P(c);
- Try
- R(G);
- Threat
- R1(G)
- Vars
- K(f);P-FLIGHT::R(G)
- S(a);N_GUARD::QAR2(F),XR(e)
- Refutation
- P(j);
- Try
- R(H);
- Threat
- R1(H)
- Refutation
- P(j);
- Try
- R(H);
- Threat
- R(H)
- Vars
- S(b);N_GUARD::R(H)
- S(b);N_GUARD::R(H),XS(b)
- Refutation
- P(j);
- Try
- R(H);
- Threat
- R(H),XP(j)
- Vars
- S(b);N_GUARD::R(H)
- S(b);N_GUARD::R(H),XS(b)
- P(j);N_GUARD::S(J)
- Refutation
- P(j);
- Try
- R(H);
- Vars
- S(b);N_GUARD::R(H)
- R(e);OGATE::QAR2(F)
- S(a);N_GUARD::QAR2(F),XR(e)
- S(b);N_GUARD::R(H),XS(b)
- P(j);N_GUARD::S(J)
- Refutation
- P(j);
- Try
- Q(F);
- Vars
- S(b);N_GUARD::R(H)
- R(e);OGATE::QAR2(F)
- S(a);N_GUARD::QAR2(F),XR(e)
- S(b);N_GUARD::R(H),XS(b)
- P(j);N_GUARD::S(J)
- Refutation
- P(h);
- Try
- Actual
- R(G);
- Vars
- S(a);N_GUARD,XR(G)::QAR2(F),XR(e)
- S(b);N_GUARD::P(C)
- R(e);OGATE::B(A)
- R(e);SBLOCK::R1(G)
- S(a);N_GUARD::QAR2(F),XR(e)
- S(b);OGATE::P(D),XS(b)
- P(i);N_GUARD::R1(H)
- P(j);N_GUARD::S(J)
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).