MESON Chess Problem Database
Problem Display
PID: 56752 (1K2BB2/np1P4/1pkr4/prP3bR/1p2P1b1/8/6Q1/8 w - - 0 1)
Albugues, TA
Bulletin de la FFE, 1924
#2
8 + 10
SOLUTION
- SOUND
- Sets
- 1...Rxc5
- 2.d8S#
- 1...Rd1
- 2.d8S#
- 1...Rd2
- 2.d8S#
- 1...Rd3
- 2.d8S#
- 1...Rd4
- 2.d8S#
- 1...Rd5
- 2.exd5#
- 2.d8S#
- 1...Re6
- 2.d8S#
- 1...Rf6
- 2.d8S#
- 1...Rg6
- 2.d8S#
- 1...Rh6
- 2.d8S#
- 1...Bc1
- 2.d8S#
- 1...Bd2
- 2.d8S#
- 1...Be3
- 2.d8S#
- 1...Bf4
- 2.d8S#
- 1...Bh4
- 2.d8S#
- 1...Bf6
- 2.d8S#
- 1...Bh6
- 2.d8S#
- 1...Be7
- 2.d8S#
- 1...Sc8
- 2.dxc8Q#
- 2.dxc8R#
- 1...Rxc5
- Tries
- 1.Qh2?
- threat
- 2.Qxd6#
- 1...Rxc5
- 2.d8S#
- 1...Rxd7
- 2.Qd6#
- 2.Qc7#
- 1...Rd1
- 2.Qc7#
- 2.d8S#
- 1...Rd2
- 2.Qc7#
- 2.d8S#
- 1...Rd3
- 2.Qc7#
- 2.d8S#
- 1...Rd4
- 2.Qc7#
- 2.d8S#
- 1...Rd5
- 2.Qc7#
- 2.d8S#
- 1...Re6
- 2.Qc7#
- 2.d8S#
- 1...Rf6
- 2.Qc7#
- 2.d8S#
- 1...Rg6
- 2.Qc7#
- 2.d8S#
- 1...Rh6
- 2.Qc7#
- 2.d8S#
- 1...Bf4
- 2.d8S#
- 1...Be7
- 2.d8S#
- 1...Sc8
- 2.dxc8Q#
- 2.dxc8R#
- 1...Kxc5!
- threat
- 1.Qg3?
- threat
- 2.Qxd6#
- 1...Rxc5
- 2.d8S#
- 1...Rxd7
- 2.Qd6#
- 2.Qc7#
- 1...Rd1
- 2.Qc7#
- 2.d8S#
- 1...Rd2
- 2.Qc7#
- 2.d8S#
- 1...Rd3
- 2.Qc7#
- 2.d8S#
- 1...Rd4
- 2.Qc7#
- 2.d8S#
- 1...Rd5
- 2.Qc7#
- 2.d8S#
- 1...Re6
- 2.Qc7#
- 2.d8S#
- 1...Rf6
- 2.Qc7#
- 2.d8S#
- 1...Rg6
- 2.Qc7#
- 2.d8S#
- 1...Rh6
- 2.Qc7#
- 2.d8S#
- 1...Bf4
- 2.d8S#
- 1...Be7
- 2.d8S#
- 1...Sc8
- 2.dxc8Q#
- 2.dxc8R#
- 1...Kxc5!
- threat
- 1.d8Q+?
- 1...Rd7
- 2.Qc7#
- 1...Bd7
- 2.Qc7#
- 1...Kxc5!
- 1...Rd7
- 1.Qh2?
- Keys
- 1.Qd2!
- threat
- 2.Qxd6#
- 1...Kxc5
- 2.Qd5#
- 1...Rxc5
- 2.d8S#
- 1...Rxd2
- 2.d8S#
- 1...Rxd7
- 2.Qd5#
- 2.Qd6#
- 1...Bxd2
- 2.d8S#
- 1...Rd3
- 2.d8S#
- 1...Rd4
- 2.d8S#
- 1...Rd5
- 2.Qxd5#
- 2.exd5#
- 2.d8S#
- 1...Re6
- 2.Qd5#
- 2.d8S#
- 1...Rf6
- 2.Qd5#
- 2.d8S#
- 1...Rg6
- 2.Qd5#
- 2.d8S#
- 1...Rh6
- 2.Qd5#
- 2.d8S#
- 1...Bf4
- 2.d8S#
- 1...Be7
- 2.d8S#
- 1...Sc8
- 2.dxc8Q#
- 2.dxc8R#
- threat
- 1.Qd2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 10
- Sets
- R(d);SBLOCK,XP(C)::P=S
- R(h);N_GUARD::P=S
- B(e);::P=S
- S(i);OGATE::PXS(i)=Q
- Tries
- Try
- Q(A);
- Threat
- QAR1(A),XR(h)
- Vars
- R(d);SBLOCK,XP(C)::P=S
- B(e);::P=S
- S(i);OGATE::PXS(i)=Q
- Refutation
- K(g);P-FLIGHT,P_SPINB(e),P_SPINR(h),XP(C)
- Try
- Q(A);
- Threat
- QAR1(A),XR(h)
- Vars
- R(d);SBLOCK,XP(C)::P=S
- B(e);::P=S
- S(i);OGATE::PXS(i)=Q
- Refutation
- K(g);P-FLIGHT,P_SPINB(e),P_SPINR(h),XP(C)
- Try
- P(E);CHECK
- Vars
- R(h);P_SPINR(h)::QAR1(E)
- B(b);P_SPINB(b)::QAR1(E)
- Refutation
- K(g);P-FLIGHT,P_SPINB(e),P_SPINR(h),XP(C)
- Try
- Actual
- Q(A);
- Threat
- QAR1(A),XR(h)
- Vars
- K(g);P-FLIGHT,P_SPINB(e),P_SPINR(h),XP(C)::QAR1(A)
- R(d);SBLOCK,XP(C)::P=S
- R(h);N_GUARD,XQ(A)::P=S
- B(e);XQ(A)::P=S
- R(h);N_GUARD::P=S
- B(e);::P=S
- S(i);OGATE::PXS(i)=Q
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).