MESON Chess Problem Database
Problem Display
PID: 274022 (4r3/5p2/1q1R3B/b3Q3/3p3n/3N2p1/1PN1P1R1/1K1k1B2 w - - 0 1)
Paslack, Rainer
Die Schwalbe, 2023
#2
10 + 8
SOLUTION
- SOUND
- Sets
- 1...Qxb2+
- 2.Sxb2#
- 1...Qxb2+
- Tries
- 1.Rxg3?
- threat
- 2.Sf2#
- 1...Qxb2+
- 2.Sxb2#
- 1...Be1!
- threat
- 1.Qxg3?
- threat
- 2.Sf2#
- 1...Qxb2+
- 2.Sxb2#
- 1...Rxe2
- 2.Bxe2#
- 1...Be1
- 2.Qxe1#
- 1...Re3!
- threat
- 1.Qf4?
- threat
- 2.Qc1#
- 1...Qxb2+
- 2.Sxb2#
- 1...Bd2
- 2.Qxd2#
- 1...Re3!
- threat
- 1.Qe3?
- threat
- 2.Qc1#
- 1...Qxb2+
- 2.Sxb2#
- 1...dxe3
- 2.Sf2#
- 1...Bd2
- 2.Qxd2#
- 1...Rxe3!
- threat
- 1.Qg5?
- threat
- 2.Qc1#
- 1...Qxb2+
- 2.Sxb2#
- 1...Bd2
- 2.Qxd2#
- 1...Re3!
- threat
- 1.Rxg3?
- Keys
- 1.e4!
- threat
- 2.Be2#
- 1...Qxb2+
- 2.Sxb2#
- 1...Sxg2
- 2.Qh5#
- 1...dxe4 ep
- 2.Sf2#
- threat
- 1.e4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- Q(f);CHECK,XP(C)::S(G),XQ(f)
- Tries
- Try
- R(F);XP(b)
- Threat
- S(G)
- Vars
- Q(f);CHECK,XP(C)::S(G),XQ(f)
- Refutation
- B(e);
- Try
- Q(H);XP(b)
- Threat
- S(G)
- Vars
- Q(f);CHECK,XP(C)::S(G),XQ(f)
- R(h);OGATE,XP(E)::B(B),XR(h)
- B(e);N_GUARD::QAR1(H),XB(e)
- Refutation
- R(h);
- Try
- Q(H);
- Threat
- QAR1(H)
- Vars
- Q(f);CHECK,XP(C)::S(G),XQ(f)
- B(e);N_GUARD::QAR1(H),XB(e)
- Refutation
- R(h);
- Try
- Q(H);
- Threat
- QAR1(H)
- Vars
- Q(f);CHECK,XP(C)::S(G),XQ(f)
- P(c);XQ(H)::R(I)+S(G),DCHECK
- B(e);N_GUARD::QAR1(H),XB(e)
- Refutation
- R(h);XQ(H)
- Try
- Q(H);
- Threat
- QAR1(H)
- Vars
- Q(f);CHECK,XP(C)::S(G),XQ(f)
- B(e);N_GUARD::QAR1(H),XB(e)
- Refutation
- R(h);
- Try
- Actual
- P(E);
- Threat
- B(B)
- Vars
- Q(f);CHECK,XP(C)::S(G),XQ(f)
- S(d);N_GUARD,XR(F)::QAB(H)
- P(c);EP,XP(E)::R(I)+S(G),DCHECK
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).