MESON Chess Problem Database
Problem Display
PID: 88110 (2r3n1/4P2p/qRn1rk1N/1pB3R1/4pP2/1B6/2QN4/b3K3 w - - 0 1)
Ardeleanu, Gheorghe
Buletin Problemistic, 1970
#2
10 + 10
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Re5
- 2.Sg4#
- 1...Rxe7
- 2.Sg4#
- 1...Rf8
- 2.exf8Q#
- 2.exf8R#
- 1...Be5
- 2.Sxe4#
- 1...Sb4
- 2.Sxe4#
- 1...Sd4
- 2.Sxe4#
- 1...Sa5
- 2.Sxe4#
- 1...Se5
- 2.Sxe4#
- 1...Sa7
- 2.Sxe4#
- 1...Scxe7
- 2.Sxe4#
- 1...Sb8
- 2.Sxe4#
- 1...Sd8
- 2.Sxe4#
- 2.e8S#
- 1...e3
- 2.Qf5#
- 1...Re5
- Tries
- 1.Qb2+?
- 1...Re5
- 2.Sxe4#
- 2.Sg4#
- 1...Sd4
- 2.Sxe4#
- 1...Se5
- 2.Sxe4#
- 1...Bxb2!
- 1...Re5
- 1.Qc3+?
- 1...Re5
- 2.Sxe4#
- 2.Sg4#
- 1...Sd4
- 2.Sxe4#
- 1...Se5
- 2.Sxe4#
- 1...Bxc3!
- 1...Re5
- 1.Qc4?
- threat
- 2.Qxe6#
- 1...Rxe7
- 2.Sg4#
- 1...Rd6
- 2.Qf7#
- 1...Re5
- 2.Sg4#
- 2.Qf7#
- 1...Sd4
- 2.Sxe4#
- 1...Sd8
- 2.Sxe4#
- 2.e8S#
- 1...bxc4!
- threat
- 1.e8Q?
- threat
- 2.Sg4#
- 2.Sxg8#
- 2.Qf7#
- 2.Qxe6#
- 1...Rexe8
- 2.Sg4#
- 1...Sxh6
- 2.Qxe6#
- 1...Qb7
- 2.Sg4#
- 2.Sxg8#
- 2.Qxe6#
- 1...Qa7
- 2.Sg4#
- 2.Sxg8#
- 2.Qxe6#
- 1...Re5
- 2.Sg4#
- 2.Sxg8#
- 2.Qf7#
- 1...Rd6
- 2.Sxe4#
- 2.Sg4#
- 2.Sxg8#
- 2.Qf7#
- 1...Re7
- 2.Sg4#
- 2.Sxg8#
- 1...Rc7
- 2.Sg4#
- 2.Sxg8#
- 2.Qxe6#
- 1...Sd4
- 2.Sxe4#
- 2.Sg4#
- 2.Sxg8#
- 2.Qf7#
- 1...Se5
- 2.Sxe4#
- 2.Sxg8#
- 2.Qxe6#
- 1...Sce7
- 2.Sxe4#
- 2.Sg4#
- 2.Qf7#
- 1...Sd8
- 2.Sxe4#
- 2.Sg4#
- 2.Sxg8#
- 1...Sge7
- 2.Sg4#
- 2.Qf7#
- 1...Rcxe8!
- threat
- 1.e8S+?
- 1...Rexe8
- 2.Sg4#
- 1...Rcxe8!
- 1...Rexe8
- 1.Qb2+?
- Keys
- 1.Qxe4!
- threat
- 2.Qxe6#
- 1...Rxe4+
- 2.Sxe4#
- 1...Rxe7
- 2.Sg4#
- 1...Re5
- 2.Sg4#
- 1...Rd6
- 2.Sg4#
- 1...Be5
- 2.Qf5#
- 1...Sd4
- 2.Qe5#
- 1...Se5
- 2.Qf5#
- 1...Sd8
- 2.e8S#
- threat
- 1.Qxe4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 3
- ADDED MATES = 3
- REMOVED MATES = 6
- Sets
- R(f);P_SPINS(e)::S(I)
- R(f);P_SPINS(e),XP(J)::S(I)
- R(i);OGATE::PXR(i)=Q
- B(a);S_CUTR(f)::S(C),XP(b)
- S(e);P_SPINR(f)::S(C),XP(b)
- S(e);P_SPINR(f),XP(J)::S(C),XP(b)
- P(b);OGATE::QAR1(B)
- Tries
- Try
- Q(B);CHECK
- Vars
- S(e);P_SPINR(f),P_SPINS(e)::S(C),XP(b)
- Refutation
- B(a);XQ(B)
- Try
- Q(B);CHECK
- Vars
- S(e);P_SPINR(f),P_SPINS(e)::S(C),XP(b)
- Refutation
- B(a);P_PINS(C),XQ(B)
- Try
- Q(B);
- Threat
- QAR1(B),XR(f)
- Vars
- R(f);P_SPINS(e),XP(J)::S(I)
- R(f);OGATE::QAR1(B)
- S(e);P_SPINR(f)::S(C),XP(b)
- Refutation
- P(c);XQ(B)
- Try
- P(J);
- Threat
- DUALS(4)
- Vars
- R(f);P_SPINS(e),XQ(J)::S(I)
- S(j);XS(I)::QAR1(J),XR(f)
- Refutation
- R(i);XQ(J)
- Try
- P(J);CHECK
- Vars
- R(f);P_SPINS(e),XS(J)::S(I)
- Refutation
- R(i);XS(J)
- Try
- Actual
- Q(B);P_SPINQ(B),XP(b)
- Threat
- QAR1(B),XR(f)
- Vars
- R(f);CHECK,P_SPINS(e),XQ(B)::S(C),XR(f)
- R(f);P_SPINS(e),XP(J)::S(I)
- R(f);P_SPINS(e)::S(I)
- R(f);N_PINQ(B)::S(I)
- B(a);N_PINQ(B)::QAR1(B)
- S(e);N_GUARD,P_SPINR(f),S_CUTB(a)::QAB1(B)
- S(e);N_PINQ(B),P_SPINR(f)::QAR1(B)
- S(e);P_SPINR(f),S_CUTR(i)::P=S
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).