MESON Chess Problem Database
Problem Display
PID: 235365 (8/b2p1N2/K1pp4/1p3NRB/1P2k3/5RP1/Q4p2/3r4 w - - 0 1)
Paslack, Rainer
Stern, 1990
#2
9 + 8
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Rd3
- 2.Rf4#
- 1...Rd4
- 2.Re3#
- 1...Be3
- 2.Rxe3#
- 1...Bd4
- 2.S5xd6#
- 1...Bb8
- 2.Re3#
- 1...c5
- 2.Re3#
- 1...Rd3
- Tries
- 1.Sh4?
- threat
- 2.Rg4#
- 1...Kd4
- 2.Rg4#
- 1...Be3!
- threat
- 1.S5xd6+?
- 1...Kd4
- 2.Rg4#
- 2.Qb2#
- 2.Qxf2#
- 1...Rxd6!
- 1...Kd4
- 1.Qb3?
- threat
- 2.Rf4#
- 2.Rg4#
- 1...f1Q
- 2.Rg4#
- 1...f1R
- 2.Rg4#
- 1...Rd3
- 2.Rf4#
- 2.Qxd3#
- 1...Be3
- 2.Rxe3#
- 1...Ra1+!
- threat
- 1.Qc4+?
- 1...Rd4
- 2.S5xd6#
- 2.Re3#
- 2.Rf4#
- 1...Bd4
- 2.S5xd6#
- 2.Re3#
- 2.Rf4#
- 1...bxc4!
- 1...Rd4
- 1.Qc2+?
- 1...Rd3
- 2.Qxd3#
- 1...Kd5!
- 1...Rd3
- 1.Sh4?
- Keys
- 1.Sd4!
- threat
- 2.Rg4#
- 1...Kxd4
- 2.Rg4#
- 1...Rxd4
- 2.Qe2#
- 1...Bxd4
- 2.Sxd6#
- threat
- 1.Sd4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 1
- REMOVED MATES = 4
- Sets
- R(a);SBLOCK::R1(B)
- R(a);S_CUTB(g)::R1(B)
- B(g);N_GUARD::R1(B),XB(g)
- B(g);SBLOCK,S_CUTR(a)::S(E),XP(f)
- B(g);N_GUARD::R1(B)
- P(e);S_CUTB(g)::R1(B)
- Tries
- Try
- S(E);
- Threat
- R(F)
- Vars
- K(c);P-FLIGHT::R(F)
- Refutation
- B(g);
- Try
- S(E);CHECK,XP(f)
- Refutation
- R(a);XS(E)
- Try
- Q(A);
- Threat
- DUALS(2)
- Vars
- P(b);::R(F)
- B(g);N_GUARD::R1(B),XB(g)
- Refutation
- R(a);CHECK
- Try
- Q(A);CHECK
- Refutation
- P(d);XQ(A)
- Try
- Q(A);CHECK
- Vars
- R(a);N_GUARD,P_SPINR(a)::QAB1(A),XR(a)
- Refutation
- K(c);S_FLIGHT
- Try
- Actual
- S(E);
- Threat
- R(F)
- Vars
- K(c);P-FLIGHT,XS(E)::R(F)
- R(a);SBLOCK,XS(E)::QAR2(A)
- B(g);SBLOCK,XS(E)::S(I),XP(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).