MESON Chess Problem Database
Problem Display
PID: 97298 (5N2/2PK1p2/3R1P2/2P2kp1/6r1/1p1NQB2/b3n1n1/b3r2q w - - 0 1)
Stocchi, Ottavio
Problemi di Ottavio Stocchi, 1995
#2
9 + 11
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Rg3
- 2.Qe4#
- 1...Rd4
- 2.Qe5#
- 1...Re4
- 2.Qxe4#
- 1...Be5
- 2.Qxe5#
- 1...Sef4
- 2.Be4#
- 1...Sgf4
- 2.Qe4#
- 1...b2
- 2.Qe5#
- 1...Rg3
- Tries
- 1.Kc6?
- threat
- 2.c8Q#
- 2.c8B#
- 1...Bxf6
- 2.c8Q#
- 2.c8B#
- 1...Sxe3
- 2.c8Q#
- 2.c8B#
- 1...Qf1
- 2.c8Q#
- 2.c8B#
- 1...Qg1
- 2.c8Q#
- 2.c8B#
- 1...Qh2
- 2.c8Q#
- 2.c8B#
- 1...Qh3
- 2.c8Q#
- 2.c8B#
- 1...Qh4
- 2.c8Q#
- 2.c8B#
- 1...Qh5
- 2.c8Q#
- 2.c8B#
- 1...Qh6
- 2.c8Q#
- 2.c8B#
- 1...Qh7
- 2.c8Q#
- 2.c8B#
- 1...Qh8
- 2.c8Q#
- 2.c8B#
- 1...Rb1
- 2.c8Q#
- 2.c8B#
- 1...Rc1
- 2.c8Q#
- 2.c8B#
- 1...Rd1
- 2.c8Q#
- 2.c8B#
- 1...Rf1
- 2.c8Q#
- 2.c8B#
- 1...Rg1
- 2.c8Q#
- 2.c8B#
- 1...Rg3
- 2.Qe4#
- 2.c8Q#
- 2.c8B#
- 1...Ra4
- 2.c8Q#
- 2.c8B#
- 1...Rb4
- 2.c8Q#
- 2.c8B#
- 1...Rc4
- 2.c8Q#
- 2.c8B#
- 1...Rd4
- 2.Qe5#
- 2.c8Q#
- 2.c8B#
- 1...Re4
- 2.Qxe4#
- 1...Rf4
- 2.c8Q#
- 2.c8B#
- 1...Rh4
- 2.c8Q#
- 2.c8B#
- 1...Bb2
- 2.c8Q#
- 2.c8B#
- 1...Bc3
- 2.c8Q#
- 2.c8B#
- 1...Bd4
- 2.c8Q#
- 2.c8B#
- 1...Be5
- 2.Qxe5#
- 2.c8Q#
- 2.c8B#
- 1...Bb1
- 2.c8Q#
- 2.c8B#
- 1...Sc1
- 2.c8Q#
- 2.c8B#
- 1...Sg1
- 2.c8Q#
- 2.c8B#
- 1...Sc3
- 2.c8Q#
- 2.c8B#
- 1...Sg3
- 2.c8Q#
- 2.c8B#
- 1...Sef4
- 2.Be4#
- 1...Sgf4
- 2.Qe4#
- 1...Sh4
- 2.c8Q#
- 2.c8B#
- 1...b2
- 2.Qe5#
- 1...Sd4+!
- threat
- 1.Ke8?
- threat
- 2.c8Q#
- 2.c8B#
- 1...Re4+
- 2.Qxe4#
- 1...Bxf6
- 2.c8Q#
- 2.c8B#
- 1...Sxe3
- 2.c8Q#
- 2.c8B#
- 1...Qf1
- 2.c8Q#
- 2.c8B#
- 1...Qg1
- 2.c8Q#
- 2.c8B#
- 1...Qh2
- 2.c8Q#
- 2.c8B#
- 1...Qh3
- 2.c8Q#
- 2.c8B#
- 1...Qh4
- 2.c8Q#
- 2.c8B#
- 1...Qh5
- 2.c8Q#
- 2.c8B#
- 1...Qh6
- 2.c8Q#
- 2.c8B#
- 1...Qh7
- 2.c8Q#
- 2.c8B#
- 1...Qh8
- 2.c8Q#
- 2.c8B#
- 1...Rb1
- 2.c8Q#
- 2.c8B#
- 1...Rc1
- 2.c8Q#
- 2.c8B#
- 1...Rd1
- 2.c8Q#
- 2.c8B#
- 1...Rf1
- 2.c8Q#
- 2.c8B#
- 1...Rg1
- 2.c8Q#
- 2.c8B#
- 1...Rg3
- 2.Qe4#
- 2.c8Q#
- 2.c8B#
- 1...Ra4
- 2.c8Q#
- 2.c8B#
- 1...Rb4
- 2.c8Q#
- 2.c8B#
- 1...Rc4
- 2.c8Q#
- 2.c8B#
- 1...Rd4
- 2.Qe5#
- 2.c8Q#
- 2.c8B#
- 1...Rf4
- 2.c8Q#
- 2.c8B#
- 1...Rh4
- 2.c8Q#
- 2.c8B#
- 1...Bb2
- 2.c8Q#
- 2.c8B#
- 1...Bc3
- 2.c8Q#
- 2.c8B#
- 1...Bd4
- 2.c8Q#
- 2.c8B#
- 1...Be5
- 2.Qxe5#
- 2.c8Q#
- 2.c8B#
- 1...Bb1
- 2.c8Q#
- 2.c8B#
- 1...Sc1
- 2.c8Q#
- 2.c8B#
- 1...Sg1
- 2.c8Q#
- 2.c8B#
- 1...Sc3
- 2.c8Q#
- 2.c8B#
- 1...Sg3
- 2.c8Q#
- 2.c8B#
- 1...Sef4
- 2.Be4#
- 1...Sgf4
- 2.Qe4#
- 1...Sh4
- 2.c8Q#
- 2.c8B#
- 1...b2
- 2.Qe5#
- 1...Sd4!
- threat
- 1.Rd5+?
- 1...Be5
- 2.Qxe5#
- 1...Kxf6!
- 1...Be5
- 1.c8Q?
- threat
- 2.Kc6#
- 2.Kc7#
- 2.Ke7#
- 2.Kd8#
- 2.Ke8#
- 1...Bxf6
- 2.Kc6#
- 2.Kc7#
- 2.Ke8#
- 1...Re4
- 2.Qxe4#
- 1...Sef4
- 2.Be4#
- 1...Sgf4
- 2.Qe4#
- 1...b2
- 2.Qe5#
- 1...Sd4!
- threat
- 1.c8S?
- threat
- 2.Se7#
- 1...Re4
- 2.Qxe4#
- 1...Bxf6!
- threat
- 1.c8B?
- threat
- 2.Kc6#
- 2.Kc7#
- 2.Ke7#
- 2.Kd8#
- 2.Ke8#
- 1...Bxf6
- 2.Kc6#
- 2.Kc7#
- 2.Ke8#
- 1...Re4
- 2.Qxe4#
- 1...Sef4
- 2.Be4#
- 1...Sgf4
- 2.Qe4#
- 1...b2
- 2.Qe5#
- 1...Sd4!
- threat
- 1.Kc6?
- Keys
- 1.Ke7!
- threat
- 2.c8Q#
- 2.c8B#
- 1...Re4+
- 2.Qxe4#
- 1...Bxf6+
- 2.Rxf6#
- 1...Sxe3
- 2.c8Q#
- 2.c8B#
- 1...Qf1
- 2.c8Q#
- 2.c8B#
- 1...Qg1
- 2.c8Q#
- 2.c8B#
- 1...Qh2
- 2.c8Q#
- 2.c8B#
- 1...Qh3
- 2.c8Q#
- 2.c8B#
- 1...Qh4
- 2.c8Q#
- 2.c8B#
- 1...Qh5
- 2.c8Q#
- 2.c8B#
- 1...Qh6
- 2.c8Q#
- 2.c8B#
- 1...Qh7
- 2.c8Q#
- 2.c8B#
- 1...Qh8
- 2.c8Q#
- 2.c8B#
- 1...Rb1
- 2.c8Q#
- 2.c8B#
- 1...Rc1
- 2.c8Q#
- 2.c8B#
- 1...Rd1
- 2.c8Q#
- 2.c8B#
- 1...Rf1
- 2.c8Q#
- 2.c8B#
- 1...Rg1
- 2.c8Q#
- 2.c8B#
- 1...Rg3
- 2.Qe4#
- 2.c8Q#
- 2.c8B#
- 1...Ra4
- 2.c8Q#
- 2.c8B#
- 1...Rb4
- 2.c8Q#
- 2.c8B#
- 1...Rc4
- 2.c8Q#
- 2.c8B#
- 1...Rd4
- 2.Qe5#
- 2.c8Q#
- 2.c8B#
- 1...Rf4
- 2.c8Q#
- 2.c8B#
- 1...Rh4
- 2.c8Q#
- 2.c8B#
- 1...Bb2
- 2.c8Q#
- 2.c8B#
- 1...Bc3
- 2.c8Q#
- 2.c8B#
- 1...Bd4
- 2.c8Q#
- 2.c8B#
- 1...Be5
- 2.Qxe5#
- 2.c8Q#
- 2.c8B#
- 1...Bb1
- 2.c8Q#
- 2.c8B#
- 1...Sc1
- 2.c8Q#
- 2.c8B#
- 1...Sg1
- 2.c8Q#
- 2.c8B#
- 1...Sc3
- 2.c8Q#
- 2.c8B#
- 1...Sg3
- 2.c8Q#
- 2.c8B#
- 1...Sd4
- 2.Rd5#
- 1...Sef4
- 2.Be4#
- 1...Sgf4
- 2.Qe4#
- 1...Sh4
- 2.c8Q#
- 2.c8B#
- 1...b2
- 2.Qe5#
- threat
- 1.Ke7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 3
- Sets
- R(h);N_GUARD::QAB1(B)
- R(h);P_PINR(E),S_CUTB(a)::QAR1(B)
- R(h);N_GUARD::QAB1(B),XR(h)
- B(a);N_GUARD::QAR1(B),XB(a)
- S(e);S_CUTR(h)::B(C)
- S(f);S_CUTR(h)::QAB1(B)
- P(g);S_CUTB(a)::QAR1(B)
- Tries
- Try
- K(H);S_FLIGHT
- Threat
- P=Q
- Vars
- B(a);XP(F)::P=Q
- S(f);P_PINB(C),XQ(B)::P=Q
- Q(c);::P=Q
- R(b);::P=Q
- R(b);P_PINP(D)::P=Q
- R(h);::P=Q
- R(h);P_PINP(D)::P=Q
- R(h);N_GUARD::QAB1(B),XR(h)
- B(a);::P=Q
- B(d);::P=Q
- S(e);::P=Q
- S(e);S_CUTR(h)::B(C)
- S(f);P_PINB(C),S_CUTR(h)::QAB1(B)
- S(f);P_PINB(C)::P=Q
- P(g);S_CUTB(a)::QAR1(B)
- Refutation
- S(e);CHECK
- Try
- K(H);S_FLIGHT
- Threat
- P=Q
- Vars
- R(h);CHECK,N_GUARD::QAB1(B),XR(h)
- B(a);XP(F)::P=Q
- S(f);XQ(B)::P=Q
- Q(c);::P=Q
- Q(c);P_PINS(I)::P=Q
- R(b);::P=Q
- R(h);::P=Q
- B(a);::P=Q
- B(d);::P=Q
- S(e);P_PINQ(B)::P=Q
- S(e);P_PINQ(B),S_CUTR(h)::B(C)
- S(f);S_CUTR(h)::QAB1(B)
- S(f);::P=Q
- P(g);S_CUTB(a)::QAR1(B)
- Refutation
- S(e);P_PINQ(B)
- Try
- R(E);CHECK
- Vars
- B(a);N_GUARD,P_SPINB(a)::QAR1(B),XB(a)
- Refutation
- K(i);P-FLIGHT,XP(F)
- Try
- P(G);
- Threat
- DUALS(5)
- Vars
- R(h);N_GUARD::QAB1(B),XR(h)
- S(e);S_CUTR(h)::B(C)
- S(f);S_CUTR(h)::QAB1(B)
- P(g);S_CUTB(a)::QAR1(B)
- Refutation
- S(e);
- Try
- P(G);
- Threat
- S(G)
- Vars
- R(h);N_GUARD::QAB1(B),XR(h)
- Refutation
- B(a);XP(F)
- Try
- P(G);
- Threat
- DUALS(5)
- Vars
- R(h);N_GUARD::QAB1(B),XR(h)
- S(e);S_CUTR(h)::B(C)
- S(f);S_CUTR(h)::QAB1(B)
- P(g);S_CUTB(a)::QAR1(B)
- Refutation
- S(e);
- Try
- Actual
- K(H);P-FLIGHT
- Threat
- P=Q
- Vars
- R(h);CHECK,N_GUARD::QAB1(B),XR(h)
- B(a);CHECK,OGATE,XP(F)::R1(E),XB(a)
- S(f);XQ(B)::P=Q
- Q(c);::P=Q
- R(b);::P=Q
- R(h);::P=Q
- B(a);::P=Q
- B(d);::P=Q
- S(e);P_PINQ(B)::P=Q
- S(e);P_PINQ(B),S_CUTB(a)::R(E)
- S(e);P_PINQ(B),S_CUTR(h)::B(C)
- S(f);S_CUTR(h)::QAB1(B)
- S(f);::P=Q
- P(g);S_CUTB(a)::QAR1(B)
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).