MESON Chess Problem Database
Problem Display
PID: 273959 (1bR5/1P1kp3/3P3R/1K3P2/7B/1B2p2p/6r1/7Q w - - 0 1)
Paslack, Rainer
Die Schwalbe, 2023
#2
9 + 6
SOLUTION
- SOUND
- Sets
- 1...Rg1
- 2.Qc6#
- 1...Ra2
- 2.Qc6#
- 1...Rb2
- 2.Qc6#
- 1...Rd2
- 2.Qc6#
- 1...Re2
- 2.Qc6#
- 1...Rf2
- 2.Qc6#
- 1...Rh2
- 2.Qc6#
- 1...Rg3
- 2.Qc6#
- 1...Rg4
- 2.Qc6#
- 1...Rg5
- 2.Qc6#
- 1...Rg6
- 2.Qc6#
- 1...Rg7
- 2.Qc6#
- 1...Rg8
- 2.Qc6#
- 1...Bxd6
- 2.Be6#
- 1...exd6
- 2.Be6#
- 1...e5
- 2.Rd8#
- 1...e6
- 2.Rd8#
- 1...Rg1
- Tries
- 1.Bf7?
- threat
- 2.Be8#
- 1...Rg6
- 2.Qc6#
- 1...e6
- 2.Rd8#
- 1...Rg8
- 2.Qc6#
- 1...Rb2+!
- threat
- 1.Bxe7?
- threat
- 2.Be6#
- 2.Rd8#
- 1...Rb2
- 2.Rd8#
- 2.Qc6#
- 1...Rg6
- 2.Rd8#
- 2.Qc6#
- 1...Rg8
- 2.Be6#
- 2.Qc6#
- 1...Bc7
- 2.Be6#
- 1...Bxd6!
- threat
- 1.dxe7?
- threat
- 2.e8Q#
- 2.e8B#
- 1...Rc2
- 2.e8Q#
- 2.e8B#
- 1...Rg1
- 2.Qc6#
- 2.e8Q#
- 2.e8B#
- 1...Ra2
- 2.Qc6#
- 2.e8Q#
- 2.e8B#
- 1...Rb2
- 2.Qc6#
- 2.e8Q#
- 2.e8B#
- 1...Rd2
- 2.Qc6#
- 2.e8Q#
- 2.e8B#
- 1...Re2
- 2.Qc6#
- 2.e8Q#
- 2.e8B#
- 1...Rf2
- 2.Qc6#
- 2.e8Q#
- 2.e8B#
- 1...Rh2
- 2.Qc6#
- 2.e8Q#
- 2.e8B#
- 1...Rg3
- 2.Qc6#
- 2.e8Q#
- 2.e8B#
- 1...Rg4
- 2.Qc6#
- 2.e8Q#
- 2.e8B#
- 1...Rg7
- 2.Qc6#
- 2.e8Q#
- 2.e8B#
- 1...Rg8
- 2.Qc6#
- 1...Bh2
- 2.e8Q#
- 2.e8B#
- 1...Bg3
- 2.e8Q#
- 2.e8B#
- 1...Bf4
- 2.e8Q#
- 2.e8B#
- 1...Be5
- 2.e8Q#
- 2.e8B#
- 1...Bd6
- 2.Be6#
- 2.e8Q#
- 2.e8B#
- 1...Ba7
- 2.e8Q#
- 2.e8B#
- 1...Bc7
- 2.e8Q#
- 2.e8B#
- 1...e2
- 2.e8Q#
- 2.e8B#
- 1...h2
- 2.e8Q#
- 2.e8B#
- 1...Rg6!
- threat
- 1.Bf7?
- Keys
- 1.Bg3!
- threat
- 2.Be6#
- 1...Rxg3
- 2.Qc6#
- 1...exd6
- 2.Rh7#
- 1...Rb2
- 2.Qc6#
- 1...e5
- 2.fxe5 ep#
- 1...e6
- 2.Bxe6#
- 2.Rh7#
- 2.fxe6#
- threat
- 1.Bg3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 0
- REMOVED MATES = 13
- Sets
- R(a);OGATE::QAB1(A)
- R(a);OGATE,P_PINB(B)::QAB1(A)
- R(a);OGATE,P_PINP(E)::QAB1(A)
- B(f);SBLOCK,XP(F)::B(B)
- P(e);SBLOCK,XP(F)::B(B)
- P(e);::R1(I)
- Tries
- Try
- B(B);
- Threat
- B(B)
- Vars
- R(a);OGATE::QAB1(A)
- P(e);::R1(I)
- Refutation
- R(a);CHECK
- Try
- B(C);XP(e)
- Threat
- DUALS(2)
- Vars
- B(f);::B(B)
- Refutation
- B(f);XP(F)
- Try
- P(F);XP(e)
- Threat
- P=Q
- Vars
- R(a);::P=Q
- R(a);OGATE::QAB1(A)
- B(f);::P=Q
- P(b);::P=Q
- P(c);::P=Q
- Refutation
- R(a);
- Try
- Actual
- B(C);
- Threat
- B(B)
- Vars
- R(a);OGATE,XB(C)::QAB1(A)
- P(e);OGATEB,XP(F)::R(G)
- R(a);OGATE,P_PINB(B)::QAB1(A)
- P(e);OGATE::P(E),XP(e),EP
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).