MESON Chess Problem Database
Problem Display
PID: 259323 (8/5KBk/2BbNP2/5p2/2R1p3/R2pN2n/r7/2Q5 w - - 0 1)
Pirrone, Santi
Scacchi e Scienze Applicate 15. TT, 1998
#2
9 + 7
| 15601 | Albrecht-Leiss-Degener Collection | 2022 |
SOLUTION
- SOUND
- Sets
- 1...Bh2
- 2.Sf8#
- 1...Bg3
- 2.Sf8#
- 1...Bf4
- 2.Sf8#
- 1...Be5
- 2.Sf8#
- 1...Bc7
- 2.Sf8#
- 1...Bb8
- 2.Sf8#
- 1...Bf8
- 2.Sxf8#
- 1...Sg1
- 2.Sg5#
- 1...Sf2
- 2.Sg5#
- 1...Sf4
- 2.Sg5#
- 1...Sg5+
- 2.Sxg5#
- 1...f4
- 2.Bxe4#
- 1...Bh2
- Tries
- 1.Sd1?
- threat
- 2.Qh6#
- 1...Sg5+
- 2.Sxg5#
- 1...Bf4
- 2.Sf8#
- 1...Sf4
- 2.Sg5#
- 1...d2
- 2.Rxh3#
- 1...e3
- 2.Rh4#
- 1...f4
- 2.Bxe4#
- 1...Rd2!
- threat
- 1.Sf1?
- threat
- 2.Qh6#
- 1...Sg5+
- 2.Sxg5#
- 1...Bf4
- 2.Sf8#
- 1...Sf4
- 2.Sg5#
- 1...d2
- 2.Rxh3#
- 1...e3
- 2.Rh4#
- 1...f4
- 2.Bxe4#
- 1...Rd2!
- threat
- 1.Sg2?
- threat
- 2.Qh6#
- 1...Sg5+
- 2.Sxg5#
- 1...Bf4
- 2.Sf8#
- 1...Sf4
- 2.Sg5#
- 1...d2
- 2.Rxh3#
- 1...e3
- 2.Rh4#
- 1...f4
- 2.Bxe4#
- 1...Rd2!
- threat
- 1.Sxf5?
- threat
- 2.Qh6#
- 1...Sg5+
- 2.Sxg5#
- 1...Bf4
- 2.Sf8#
- 1...Sf4
- 2.Sg5#
- 1...d2
- 2.Rxh3#
- 1...e3
- 2.Rh4#
- 1...Rd2!
- threat
- 1.Rxe4?
- threat
- 2.Rh4#
- 1...Sg5+
- 2.Sxg5#
- 1...fxe4
- 2.Bxe4#
- 1...Bg3
- 2.Sf8#
- 1...Bf4
- 2.Sf8#
- 1...Sf4
- 2.Sg5#
- 1...f4!
- threat
- 1.Qd1?
- threat
- 2.Qh5#
- 1...Sg5+
- 2.Sxg5#
- 1...Bf4
- 2.Sf8#
- 1...Sf4
- 2.Sg5#
- 1...Re2!
- threat
- 1.Qe1?
- threat
- 2.Qh4#
- 1...Sg5+
- 2.Sxg5#
- 1...Bg3
- 2.Sf8#
- 1...Bf4
- 2.Sf8#
- 1...Sf2
- 2.Sg5#
- 1...Sf4
- 2.Sg5#
- 1...Rf2!
- threat
- 1.Qf1?
- threat
- 2.Qxh3#
- 2.Qxf5#
- 1...Sg5+
- 2.Sxg5#
- 1...Rf2
- 2.Qxh3#
- 1...Rh2
- 2.Qxf5#
- 1...Bg3
- 2.Sf8#
- 2.Qxf5#
- 1...Bf4
- 2.Sf8#
- 1...Sg1
- 2.Sg5#
- 2.Qxf5#
- 1...Sf2
- 2.Sg5#
- 1...Sf4
- 2.Sg5#
- 1...f4
- 2.Bxe4#
- 2.Qxh3#
- 1...Rg2!
- threat
- 1.Qg1?
- threat
- 2.Qg6#
- 1...Sg5+
- 2.Sxg5#
- 1...Sxg1
- 2.Sg5#
- 1...Bg3
- 2.Sf8#
- 1...Sf4
- 2.Sg5#
- 1...Rg2!
- threat
- 1.Qh1?
- threat
- 2.Sg5#
- 2.Qxh3#
- 1...Rg2
- 2.Qxh3#
- 1...Bh2
- 2.Sf8#
- 1...Bg3
- 2.Sg5#
- 2.Sf8#
- 1...Bf4
- 2.Sf8#
- 1...Rh2!
- threat
- 1.Sd1?
- Keys
- 1.Sc2!
- threat
- 2.Qh6#
- 1...Sg5+
- 2.Sxg5#
- 1...Bf4
- 2.Sf8#
- 1...Sf4
- 2.Sg5#
- 1...d2
- 2.Rxh3#
- 1...e3
- 2.Rh4#
- 1...f4
- 2.Bxe4#
- threat
- 1.Sc2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 8
- Sets
- B(f);N_GUARD::S(F)
- B(f);N_GUARD::S(F),XB(f)
- S(c);N_GUARD::S(F)
- S(c);CHECK,N_GUARD::S(F),XS(c)
- P(e);OGATEB::B(E),XP(d)
- Tries
- Try
- S(C);
- Threat
- QAR1(A)
- Vars
- S(c);CHECK,N_GUARD::S(F),XS(c)
- B(f);N_GUARD::S(F)
- S(c);N_GUARD::S(F)
- P(b);OGATE::R(B),XS(c)
- P(d);OGATE::R(D)
- P(e);OGATEB::B(E),XP(d)
- Refutation
- R(a);
- Try
- S(C);
- Threat
- QAR1(A)
- Vars
- S(c);CHECK,N_GUARD::S(F),XS(c)
- B(f);N_GUARD::S(F)
- S(c);N_GUARD::S(F)
- P(b);OGATE::R(B),XS(c)
- P(d);OGATE::R(D)
- P(e);OGATEB::B(E),XP(d)
- Refutation
- R(a);
- Try
- S(C);
- Threat
- QAR1(A)
- Vars
- S(c);CHECK,N_GUARD::S(F),XS(c)
- B(f);N_GUARD::S(F)
- S(c);N_GUARD::S(F)
- P(b);OGATE::R(B),XS(c)
- P(d);OGATE::R(D)
- P(e);OGATEB::B(E),XP(d)
- Refutation
- R(a);
- Try
- S(C);XP(e)
- Threat
- QAR1(A)
- Vars
- S(c);CHECK,N_GUARD::S(F),XS(c)
- B(f);N_GUARD::S(F)
- S(c);N_GUARD::S(F)
- P(b);OGATE::R(B),XS(c)
- P(d);OGATE::R(D)
- Refutation
- R(a);
- Try
- R(D);XP(d)
- Threat
- R(D)
- Vars
- S(c);CHECK,N_GUARD::S(F),XS(c)
- P(e);OGATE,XR(D)::B(E),XP(e)
- B(f);N_GUARD::S(F)
- S(c);N_GUARD::S(F)
- Refutation
- P(e);
- Try
- Q(A);
- Threat
- QAR2(A)
- Vars
- S(c);CHECK,N_GUARD::S(F),XS(c)
- B(f);N_GUARD::S(F)
- S(c);N_GUARD::S(F)
- Refutation
- R(a);
- Try
- Q(A);
- Threat
- QAR(A)
- Vars
- S(c);CHECK,N_GUARD::S(F),XS(c)
- B(f);N_GUARD::S(F)
- S(c);N_GUARD::S(F)
- Refutation
- R(a);
- Try
- Q(A);
- Threat
- DUALS(2)
- Vars
- S(c);CHECK,N_GUARD::S(F),XS(c)
- R(a);::QAR(A),XS(c)
- R(a);::QAB(A),XP(e)
- B(f);N_GUARD::S(F)
- S(c);N_GUARD::S(F)
- Refutation
- R(a);
- Try
- Q(A);
- Threat
- QAB1(A)
- Vars
- S(c);CHECK,N_GUARD::S(F),XS(c)
- S(c);N_GUARD,XQ(A)::S(F)
- B(f);N_GUARD::S(F)
- S(c);N_GUARD::S(F)
- Refutation
- R(a);
- Try
- Q(A);P_PINS(c)
- Threat
- DUALS(2)
- Vars
- R(a);::QAR(A),XS(c)
- B(f);N_GUARD,N_SPINS(c)::S(F)
- B(f);N_GUARD::S(F)
- Refutation
- R(a);N_SPINS(c)
- Try
- Actual
- S(C);
- Threat
- QAR1(A)
- Vars
- S(c);CHECK,N_GUARD::S(F),XS(c)
- B(f);N_GUARD::S(F)
- S(c);N_GUARD::S(F)
- P(b);OGATE::R(B),XS(c)
- P(d);OGATE::R(D)
- P(e);OGATEB::B(E),XP(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).