MESON Chess Problem Database
Problem Display
PID: 238888 (KBR4n/Nn1kN3/pP3Pp1/2p1R3/r4p2/b2qp3/8/3Q4 w - - 0 1)
Paslack, Rainer
idee & form, 2008
#2
9 + 11
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Qd2
- 2.Qxa4#
- 2.Qg4#
- 1...Qd4
- 2.Qg4#
- 1...Re4
- 2.Qg4#
- 1...c4
- 2.Qxa4#
- 1...Qd2
- Tries
- 1.Sd5?
- threat
- 2.Re7#
- 1...Re4
- 2.Qg4#
- 1...c4
- 2.Qxa4#
- 1...Qe4!
- threat
- 1.Sf5?
- threat
- 2.Re7#
- 1...c4
- 2.Qxa4#
- 1...Re4!
- threat
- 1.Sec6?
- threat
- 2.Re7#
- 1...Re4
- 2.Qg4#
- 1...c4!
- threat
- 1.Sxg6?
- threat
- 2.Sf8#
- 2.Re7#
- 1...Re4
- 2.Sf8#
- 2.Qg4#
- 1...c4
- 2.Qxa4#
- 1...Sxg6!
- threat
- 1.Rc7+?
- 1...Kd6
- 2.Rxb7#
- 1...Kd8
- 2.Sec6#
- 1...Ke8!
- 1...Kd6
- 1.Qxd3+?
- 1...Sd6
- 2.Qxd6#
- 1...Rd4!
- 1...Sd6
- 1.Sd5?
- Keys
- 1.Sg8!
- threat
- 2.Re7#
- 1...Re4
- 2.Qg4#
- 1...c4
- 2.Qxa4#
- threat
- 1.Sg8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 1
- Sets
- Q(b);N_GUARD::QAB(A)
- R(d);::QAB(A)
- P(f);::QAB(A),XR(d)
- Tries
- Try
- S(F);N_PINQ(b)
- Threat
- R1(B)
- Vars
- R(d);S_CUTQ(b)::QAB(A)
- P(f);S_CUTQ(b)::QAB(A),XR(d)
- Refutation
- Q(b);
- Try
- S(F);
- Threat
- R1(B)
- Vars
- P(f);::QAB(A),XR(d)
- Refutation
- R(d);
- Try
- S(F);
- Threat
- R1(B)
- Vars
- R(d);::QAB(A)
- Refutation
- P(f);
- Try
- S(F);XP(h)
- Threat
- DUALS(2)
- Vars
- P(f);::QAB(A),XR(d)
- Refutation
- S(k);XS(F)
- Try
- R(I);CHECK
- Vars
- K(j);P-FLIGHT::B(H)+R(I),XS(i)
- K(j);P-FLIGHT::S(F)
- Refutation
- K(j);N_SPINQ(b),S_FLIGHT
- Try
- Q(A);CHECK,XQ(b)
- Vars
- S(i);N_GUARD,P_SPINS(i)::QAR1(A),XS(i)
- Refutation
- R(d);P_SPINR(d)
- Try
- Actual
- S(F);
- Threat
- R1(B)
- Vars
- R(d);::QAB(A)
- P(f);::QAB(A),XR(d)
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).