MESON Chess Problem Database
Problem Display
PID: 57774 (1n6/1p4B1/1Qp3pN/KR2p1kp/1P3R1p/5p1P/b1p1N3/bB1r4 w - - 0 1)
Simoni, Francesco
5th HM., Scacco!, 1995-1996
#2
10 + 13
SOLUTION
- SOUND
- Sets
- 1...Rxb1
- 2.Qd8#
- 1...Rc1
- 2.Qd8#
- 1...Re1
- 2.Qd8#
- 1...Rf1
- 2.Qd8#
- 1...Rg1
- 2.Qxg1#
- 2.Qd8#
- 1...Rh1
- 2.Qd8#
- 1...Rd2
- 2.Qg1#
- 1...Rd3
- 2.Qg1#
- 1...Rd4
- 2.Rxe5#
- 1...Rd5
- 2.Sf7#
- 2.Qg1#
- 1...Rd6
- 2.Qg1#
- 1...Rd7
- 2.Qg1#
- 1...Rd8
- 2.Qg1#
- 2.Qxd8#
- 1...Bd4
- 2.Qd8#
- 1...Bxb1
- 2.Sf7#
- 1...Bd5
- 2.Qd8#
- 1...Bf7
- 2.Sxf7#
- 1...cxb5
- 2.Qf6#
- 1...c5
- 2.Qf6#
- 1...Rxb1
- Tries
- 1.Sg4?
- threat
- 2.Bf6#
- 2.Bh6#
- 1...fxe2
- 2.Bh6#
- 1...Rd6
- 2.Bh6#
- 1...Sd7
- 2.Bh6#
- 1...hxg4!
- threat
- 1.Sg8?
- threat
- 2.Bf6#
- 2.Bh6#
- 1...fxe2
- 2.Bh6#
- 1...Rd6
- 2.Bh6#
- 2.Qg1#
- 1...Sd7
- 2.Bh6#
- 1...Bxg8!
- threat
- 1.Bxa2?
- threat
- 2.Sf7#
- 1...Rd7
- 2.Qg1#
- 1...fxe2!
- threat
- 1.Rd4?
- threat
- 2.Rxe5#
- 2.Qd8#
- 1...Rxd4
- 2.Rxe5#
- 1...Bxd4
- 2.Qd8#
- 1...cxb1Q
- 2.Qd8#
- 1...cxb1B
- 2.Qd8#
- 1...cxb5
- 2.Qd8#
- 2.Qf6#
- 1...Bd5
- 2.Qd8#
- 1...Be6
- 2.Qd8#
- 1...c5
- 2.Qd8#
- 2.Qf6#
- 1...Sd7!
- threat
- 1.Rf6?
- threat
- 2.Qe3#
- 1...c1Q
- 2.Rxg6#
- 1...c1B
- 2.Rxg6#
- 1...Rd3
- 2.Qg1#
- 1...Rd4
- 2.Rxe5#
- 1...c5
- 2.Rxg6#
- 1...Bd4!
- threat
- 1.Qe3?
- threat
- 2.Rxf3#
- 2.Rc4#
- 2.Rd4#
- 2.Re4#
- 2.Rg4#
- 2.Rf5#
- 2.Rf6#
- 2.Rf7#
- 2.Rf8#
- 1...fxe2
- 2.Rf1#
- 2.Rf2#
- 2.Rf3#
- 2.Rc4#
- 2.Rd4#
- 2.Re4#
- 2.Rg4#
- 2.Rf5#
- 2.Rf6#
- 2.Rf7#
- 2.Rf8#
- 1...c1Q
- 2.Rg4#
- 2.Rf5#
- 1...c1B
- 2.Rg4#
- 2.Rf5#
- 1...Rd3
- 2.Rg4#
- 2.Rf5#
- 2.Qg1#
- 1...Rd4
- 2.Rxd4#
- 2.Re4#
- 2.Rg4#
- 2.Rf5#
- 2.Rxe5#
- 2.Qg1#
- 2.Qxe5#
- 1...Bd4
- 2.Rxd4#
- 2.Rg4#
- 2.Rf5#
- 1...Bc4
- 2.Rxf3#
- 2.Rxc4#
- 2.Rd4#
- 2.Re4#
- 2.Rg4#
- 2.Rf5#
- 2.Rf6#
- 2.Rf7#
- 2.Rf8#
- 1...Bf7
- 2.Sxf7#
- 2.Rxf3#
- 2.Rc4#
- 2.Rd4#
- 2.Re4#
- 2.Rg4#
- 2.Rf5#
- 2.Rf6#
- 2.Rxf7#
- 1...f2
- 2.Rxf2#
- 2.Rf3#
- 2.Rc4#
- 2.Rd4#
- 2.Re4#
- 2.Rg4#
- 2.Rf5#
- 2.Rf6#
- 2.Rf7#
- 2.Rf8#
- 1...b6+!
- threat
- 1.Sg4?
- Keys
- 1.Rc4!
- threat
- 2.Qe3#
- 1...c1Q
- 2.Sf7#
- 1...c1B
- 2.Sf7#
- 1...Rd3
- 2.Qg1#
- 1...Rd4
- 2.Rxe5#
- 1...Bd4
- 2.Qd8#
- 1...c5
- 2.Qf6#
- threat
- 1.Rc4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 12
- Sets
- R(b);N_GUARD,XB(A)::QAB(H)
- R(b);N_GUARD::QAB(H)
- R(b);N_GUARD::QAR(H)
- R(b);S_CUTB(a)::R(G),XP(g)
- B(a);S_CUTR(b)::QAB(H)
- B(c);N_GUARD,XB(A)::S(I)
- B(c);N_SPINP(g),S_CUTR(b)::QAB(H)
- B(c);N_GUARD::S(I),XB(c)
- P(j);N_SPINP(g),OGATE,XR(G)::QAB1(H)
- P(j);N_SPINP(g),OGATE::QAB1(H)
- Tries
- Try
- S(I);
- Threat
- DUALS(2)
- Vars
- P(e);XS(B)::B(J)
- R(b);::B(J)
- S(m);::B(J)
- Refutation
- P(i);XS(I)
- Try
- S(I);
- Threat
- DUALS(2)
- Vars
- P(e);XS(B)::B(J)
- S(m);::B(J)
- Refutation
- B(c);XS(I)
- Try
- B(A);XB(c)
- Threat
- S(I)
- Vars
- R(b);N_GUARD::QAR(H)
- Refutation
- P(e);XS(B)
- Try
- R(E);
- Threat
- DUALS(2)
- Vars
- R(b);XR(E)::R(G),XP(g)
- B(a);XR(E)::QAB(H)
- P(d);XB(A)::QAB(H)
- B(c);N_SPINP(g)::QAB(H)
- B(c);::QAB(H)
- Refutation
- S(m);
- Try
- R(E);
- Threat
- QAB(H)
- Vars
- P(d);::R1(E),XP(k)
- R(b);N_GUARD::QAR(H)
- R(b);S_CUTB(a)::R(G),XP(g)
- P(j);N_SPINP(g)::R1(E),XP(k)
- Refutation
- B(a);
- Try
- Q(H);
- Threat
- DUALS(9)
- Refutation
- P(l);CHECK
- Try
- Actual
- R(E);
- Threat
- QAB(H)
- Vars
- P(d);::S(I)
- R(b);N_GUARD::QAR(H)
- R(b);S_CUTB(a)::R(G),XP(g)
- B(a);S_CUTR(b)::QAB(H)
- P(j);N_SPINP(g),OGATE::QAB1(H)
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).