MESON Chess Problem Database
Problem Display
PID: 180113 (8/5NK1/6R1/r2p1k2/5r2/2N2b2/3Q4/3Bb3 w - - 0 1)
Gorski, Piotr
Parzuch, Stefan
Polski Zwiazek Szachowy, 2017
#2
6 + 6
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Rfa4
- 2.Qg5#
- 1...Rb4
- 2.Qg5#
- 1...Rc4
- 2.Qg5#
- 1...Rd4
- 2.Qg5#
- 1...Re4
- 2.Qg5#
- 1...Rh4
- 2.Qg5#
- 1...Bh1
- 2.Rf6#
- 1...Bg2
- 2.Rf6#
- 1...Be4
- 2.Rf6#
- 1...Bg4
- 2.Rf6#
- 1...Bh5
- 2.Rf6#
- 1...Rfa4
- Tries
- 1.Bc2+?
- 1...Re4
- 2.Qg5#
- 1...Be4!
- 1...Re4
- 1.Bxf3?
- threat
- 2.Rf6#
- 1...Rxf3
- 2.Qg5#
- 1...Rg4
- 2.Bxg4#
- 1...Ra6
- 2.Qxd5#
- 1...Bh4!
- threat
- 1.Qe3?
- threat
- 2.Sd6#
- 2.Sh6#
- 2.Rg5#
- 2.Qe5#
- 2.Qe6#
- 1...Rfa4
- 2.Sd6#
- 2.Sh6#
- 2.Rg5#
- 2.Qg5#
- 2.Qe5#
- 1...Rb4
- 2.Sd6#
- 2.Sh6#
- 2.Rg5#
- 2.Qg5#
- 2.Qe5#
- 1...Rc4
- 2.Sd6#
- 2.Sh6#
- 2.Rg5#
- 2.Qg5#
- 2.Qe5#
- 1...Rd4
- 2.Sd6#
- 2.Sh6#
- 2.Rg5#
- 2.Qg5#
- 2.Qe5#
- 1...Re4
- 2.Qg5#
- 1...Rg4
- 2.Sd6#
- 2.Sh6#
- 2.Qe5#
- 1...Rh4
- 2.Sd6#
- 2.Rg5#
- 2.Qg5#
- 2.Qe5#
- 1...Ra6
- 2.Sh6#
- 2.Rg5#
- 2.Qe5#
- 1...Ra7
- 2.Rg5#
- 2.Qe5#
- 2.Qe6#
- 1...Bh4
- 2.Sd6#
- 2.Sh6#
- 2.Qe5#
- 2.Qe6#
- 1...Be4
- 2.Rf6#
- 1...d4
- 2.Sd6#
- 2.Sh6#
- 2.Rg5#
- 2.Qe6#
- 1...Bxc3+!
- threat
- 1.Qc2+?
- 1...Be4
- 2.Rf6#
- 1...Re4!
- 1...Be4
- 1.Qd3+?
- 1...Be4
- 2.Rf6#
- 1...Re4!
- 1...Be4
- 1.Qd4?
- threat
- 2.Sd6#
- 2.Sh6#
- 2.Qe5#
- 2.Qf6#
- 1...Bxc3
- 2.Sd6#
- 2.Sh6#
- 1...Re4
- 2.Qf6#
- 1...Rh4
- 2.Sd6#
- 2.Rf6#
- 2.Qe5#
- 2.Qf6#
- 1...Ra6
- 2.Sh6#
- 2.Qe5#
- 1...Ra7
- 2.Qe5#
- 2.Qf6#
- 1...Bh4
- 2.Sd6#
- 2.Sh6#
- 2.Qe5#
- 1...Rxd4!
- threat
- 1.Qxd5+?
- 1...Bxd5
- 2.Rf6#
- 1...Rxd5!
- 1...Bxd5
- 1.Bc2+?
- Keys
- 1.Se4!
- threat
- 2.Sed6#
- 1...Kxe4
- 2.Bc2#
- 1...Rxe4
- 2.Qg5#
- 1...Bxe4
- 2.Rf6#
- 1...dxe4
- 2.Qd7#
- 1...Ra6
- 2.Qxd5#
- threat
- 1.Se4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 9
- Sets
- R(c);OGATE::QAR1(B)
- B(b);::R1(D)
- Tries
- Try
- B(A);CHECK
- Vars
- R(c);OGATE,P_SPINR(c)::QAR1(B)
- Refutation
- B(b);P_SPINB(b)
- Try
- B(A);XB(b)
- Threat
- R1(D)
- Vars
- R(c);OGATE,XB(A)::QAR1(B)
- R(c);N_GUARD,P_PINR(D)::B(A),XR(c)
- R(d);N_GUARD::QAR2(B),XP(e)
- Refutation
- B(a);
- Try
- Q(B);
- Threat
- DUALS(5)
- Vars
- R(c);OGATE::QAR1(B)
- B(b);::R1(D)
- Refutation
- B(a);CHECK,XS(C)
- Try
- Q(B);CHECK
- Vars
- B(b);P_SPINB(b)::R1(D)
- Refutation
- R(c);P_SPINR(c)
- Try
- Q(B);CHECK
- Vars
- B(b);P_SPINB(b)::R1(D)
- Refutation
- R(c);P_SPINR(c)
- Try
- Q(B);
- Threat
- DUALS(4)
- Vars
- R(c);::QAR1(B)
- Refutation
- R(c);XQ(B)
- Try
- Q(B);CHECK,XP(e)
- Vars
- B(b);XQ(B)::R1(D)
- Refutation
- R(d);XQ(B)
- Try
- Actual
- S(C);
- Threat
- S(C)
- Vars
- K(f);OGATEB,S_FLIGHT,XS(C)::B(A)
- R(c);OGATE,SBLOCK,XS(C)::QAR1(B)
- B(b);SBLOCK,XS(C)::R1(D)
- P(e);OGATE,SBLOCK,XS(C)::QAB(B)
- R(d);N_GUARD::QAR2(B),XP(e)
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).