MESON Chess Problem Database
Problem Display
PID: 236596 (1N1K1N1n/1R1B1p1Q/r2k4/p5R1/4P3/1n6/q7/3r4 w - - 0 1)
Paslack, Rainer
Rochade Europa, 2013
#2
8 + 8
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Qb1
- 2.Qh2#
- 1...Qh2
- 2.Qxh2#
- 1...Qa3
- 2.Qh2#
- 1...Qa4
- 2.Qh2#
- 1...Ra1
- 2.Rd5#
- 1...Rb1
- 2.Rd5#
- 1...Rc1
- 2.Rd5#
- 1...Re1
- 2.Rd5#
- 1...Rf1
- 2.Rd5#
- 1...Rg1
- 2.Rd5#
- 1...Rh1
- 2.Rd5#
- 1...Rd5
- 2.Rxd5#
- 1...Rb6
- 2.Rxb6#
- 1...Ra7
- 2.Rb6#
- 1...Ra8
- 2.Rb6#
- 1...Sd2
- 2.Qh2#
- 1...f5
- 2.Qe7#
- 1...f6
- 2.Qe7#
- 1...Qb1
- Tries
- 1.Ba4?
- threat
- 2.Rd7#
- 1...Qxa4
- 2.Qh2#
- 1...Rd5
- 2.Rxd5#
- 1...f5
- 2.Qc7#
- 2.Qe7#
- 1...Ra7
- 2.Rb6#
- 1...Sc5!
- threat
- 1.Bg4?
- threat
- 2.Rd7#
- 1...Rd5
- 2.Rxd5#
- 1...f5
- 2.Qc7#
- 2.Qe7#
- 1...Qa4
- 2.Qh2#
- 1...Ra7
- 2.Rb6#
- 1...Sc5!
- threat
- 1.Bb5?
- threat
- 2.Rd7#
- 1...Rd5
- 2.Rxd5#
- 1...f5
- 2.Qc7#
- 2.Qe7#
- 1...Ra7
- 2.Rb6#
- 1...Sc5!
- threat
- 1.Bc6?
- threat
- 2.Rd7#
- 1...Rd5
- 2.Rxd5#
- 1...f5
- 2.Qe7#
- 1...Sc5
- 2.e5#
- 1...Ra7!
- threat
- 1.Bc8?
- threat
- 2.Rd7#
- 1...Rd5
- 2.Rxd5#
- 1...f5
- 2.Qc7#
- 2.Qe7#
- 1...Qa4
- 2.Qh2#
- 1...Ra7
- 2.Rb6#
- 1...Sc5!
- threat
- 1.Be8?
- threat
- 2.Rd7#
- 1...Rd5
- 2.Rxd5#
- 1...f5
- 2.Qc7#
- 2.Qe7#
- 1...Qa4
- 2.Qh2#
- 1...Ra7
- 2.Rb6#
- 1...Sc5!
- threat
- 1.Qh6+?
- 1...f6
- 2.Qxf6#
- 1...Sg6!
- 1...f6
- 1.Qxf7?
- threat
- 2.Qe6#
- 2.Qf4#
- 2.Qf6#
- 2.Qe7#
- 1...Rd5
- 2.Rxd5#
- 2.Qxd5#
- 2.Qe7#
- 1...Sc5
- 2.Qf4#
- 2.Qe7#
- 2.e5#
- 1...Qa1
- 2.Qe6#
- 2.Qe7#
- 1...Qb2
- 2.Qe6#
- 2.Qe7#
- 1...Qd2
- 2.Qe6#
- 2.Qf6#
- 2.Qe7#
- 1...Qf2
- 2.Qe6#
- 2.Qe7#
- 1...Qh2
- 2.Qe6#
- 2.Qf6#
- 2.Qe7#
- 1...Rf1
- 2.Rd5#
- 2.Qd5#
- 2.Qe6#
- 2.Qe7#
- 1...Sa1
- 2.Qf4#
- 2.Qe7#
- 1...Sc1
- 2.Qf4#
- 2.Qe7#
- 1...Sd2
- 2.Qf4#
- 2.Qe7#
- 1...Sd4
- 2.Qf4#
- 2.Qe7#
- 1...Sg6
- 2.Qe6#
- 2.Qxg6#
- 2.Qf6#
- 1...Sxf7+!
- threat
- 1.Ba4?
- Keys
- 1.Be6!
- threat
- 2.Rd7#
- 1...Rd5
- 2.Rxd5#
- 1...f5
- 2.Qc7#
- 1...Sc5
- 2.e5#
- 1...Qa4
- 2.Qh2#
- 1...Ra7
- 2.Rb6#
- threat
- 1.Be6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 1
- REMOVED MATES = 14
- Sets
- Q(b);N_GUARD::QAB(E)
- Q(b);N_GUARD::QAB(E),XQ(b)
- R(a);N_GUARD::R1(B)
- R(a);N_GUARD::R1(B),XR(a)
- R(e);N_GUARD::R(C),XR(e)
- R(e);N_GUARD::R(C)
- R(e);N_GUARD,P_PINS(F)::R(C)
- S(c);S_CUTQ(b)::QAB(E)
- P(g);OGATE::QAB1(E)
- Tries
- Try
- B(D);
- Threat
- R1(C)
- Vars
- Q(b);N_GUARD,XB(D)::QAB(E)
- R(a);N_GUARD::R1(B),XR(a)
- R(e);N_GUARD::R(C)
- Refutation
- S(c);
- Try
- B(D);
- Threat
- R1(C)
- Vars
- R(a);N_GUARD::R1(B),XR(a)
- Q(b);N_GUARD::QAB(E)
- R(e);N_GUARD::R(C)
- Refutation
- S(c);
- Try
- B(D);
- Threat
- R1(C)
- Vars
- R(a);N_GUARD::R1(B),XR(a)
- R(e);N_GUARD::R(C)
- Refutation
- S(c);
- Try
- B(D);
- Threat
- R1(C)
- Vars
- R(a);N_GUARD::R1(B),XR(a)
- P(g);OGATE::QAB1(E)
- S(c);SBLOCK::P(A)
- Refutation
- R(e);
- Try
- B(D);
- Threat
- R1(C)
- Vars
- R(a);N_GUARD::R1(B),XR(a)
- Q(b);N_GUARD::QAB(E)
- R(e);N_GUARD::R(C)
- Refutation
- S(c);
- Try
- B(D);
- Threat
- R1(C)
- Vars
- R(a);N_GUARD::R1(B),XR(a)
- Q(b);N_GUARD::QAB(E)
- R(e);N_GUARD::R(C)
- Refutation
- S(c);
- Try
- Q(E);CHECK
- Vars
- P(g);P_SPINP(g)::QAR2(E),XP(g)
- Refutation
- S(h);P_SPINS(h)
- Try
- Q(E);XP(g)
- Threat
- DUALS(4)
- Refutation
- S(h);CHECK,XQ(E)
- Try
- Actual
- B(D);
- Threat
- R1(C)
- Vars
- R(a);N_GUARD::R1(B),XR(a)
- P(g);OGATE::QAB1(E)
- S(c);SBLOCK::P(A)
- Q(b);N_GUARD::QAB(E)
- R(e);N_GUARD::R(C)
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).