MESON Chess Problem Database
Problem Display
PID: 181152 (NnR1N3/b2p1K2/p7/P1pkp3/1p4Q1/5p2/2P2R2/B4n2 w - - 0 1)
Chapin, Irving
San Francisco Chronicle, 1904
#2
9 + 10
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Bb6
- 2.Sxb6#
- 1...Sd2
- 2.Rxd2#
- 1...Sh2
- 2.Rd2#
- 1...Se3
- 2.Rd2#
- 1...Sg3
- 2.Rd2#
- 1...Sc6
- 2.Sac7#
- 1...b3
- 2.c4#
- 1...c4
- 2.Qxc4#
- 1...d6
- 2.Sf6#
- 1...Bb6
- Tries
- 1.Kf6?
- 1...e4
- 2.Qg8#
- 1...Bb6
- 2.Sxb6#
- 1...Sd2
- 2.Rxd2#
- 1...Sh2
- 2.Rd2#
- 1...Se3
- 2.Rd2#
- 1...Sg3
- 2.Rd2#
- 1...Sc6
- 2.Sac7#
- 1...b3
- 2.c4#
- 1...c4
- 2.Qxc4#
- 1...d6!
- 1...e4
- 1.Kg6?
- 1...Bb6
- 2.Sxb6#
- 1...Sd2
- 2.Rxd2#
- 1...Sh2
- 2.Rd2#
- 1...Se3
- 2.Rd2#
- 1...Sg3
- 2.Rd2#
- 1...Sc6
- 2.Sac7#
- 1...b3
- 2.c4#
- 1...c4
- 2.Qxc4#
- 1...d6
- 2.Sf6#
- 1...e4!
- 1...Bb6
- 1.Ke7?
- threat
- 2.Sf6#
- 1...e4
- 2.Qg8#
- 1...Sc6+!
- threat
- 1.Kg7?
- 1...Bb6
- 2.Sxb6#
- 1...Sd2
- 2.Rxd2#
- 1...Sh2
- 2.Rd2#
- 1...Se3
- 2.Rd2#
- 1...Sg3
- 2.Rd2#
- 1...Sc6
- 2.Sac7#
- 1...b3
- 2.c4#
- 1...c4
- 2.Qxc4#
- 1...d6
- 2.Sf6#
- 1...e4!
- 1...Bb6
- 1.Kg8?
- 1...Bb6
- 2.Sxb6#
- 1...Sd2
- 2.Rxd2#
- 1...Sh2
- 2.Rd2#
- 1...Se3
- 2.Rd2#
- 1...Sg3
- 2.Rd2#
- 1...Sc6
- 2.Sac7#
- 1...b3
- 2.c4#
- 1...c4
- 2.Qxc4#
- 1...d6
- 2.Sf6#
- 1...e4!
- 1...Bb6
- 1.Sec7+?
- 1...Kd6
- 2.Qg6#
- 1...Kc6!
- 1...Kd6
- 1.Bb2?
- 1...Bb6
- 2.Sxb6#
- 1...Sd2
- 2.Rxd2#
- 1...Sh2
- 2.Rd2#
- 1...Se3
- 2.Rd2#
- 1...Sg3
- 2.Rd2#
- 1...Sc6
- 2.Sac7#
- 1...b3
- 2.c4#
- 1...c4
- 2.Qxc4#
- 1...d6
- 2.Sf6#
- 1...e4!
- 1...Bb6
- 1.Rxf1?
- threat
- 2.Rd1#
- 1...Sc6
- 2.Sac7#
- 1...c4
- 2.Qxc4#
- 1...e4!
- threat
- 1.Re2?
- threat
- 2.Rxe5#
- 2.Qe4#
- 1...e4
- 2.Qxe4#
- 1...Sd2
- 2.Rxd2#
- 2.Rxe5#
- 1...Se3
- 2.Rd2#
- 1...Sg3
- 2.Rd2#
- 2.Rxe5#
- 1...Sc6
- 2.Sac7#
- 2.Qe4#
- 1...d6
- 2.Sf6#
- 2.Qe6#
- 2.Qe4#
- 1...fxe2!
- threat
- 1.Rc7?
- 1...Bb6
- 2.Sxb6#
- 1...Sd2
- 2.Rxd2#
- 1...Sh2
- 2.Rd2#
- 1...Se3
- 2.Rd2#
- 1...Sg3
- 2.Rd2#
- 1...Sc6
- 2.Rxd7#
- 1...b3
- 2.c4#
- 1...c4
- 2.Qxc4#
- 1...d6
- 2.Sf6#
- 1...e4!
- 1...Bb6
- 1.Qxf3+?
- 1...Kc4
- 2.Sd6#
- 2.Qd3#
- 1...e4!
- 1...Kc4
- 1.Qf5?
- threat
- 2.Qd3#
- 1...Kc4
- 2.Qd3#
- 1...c4
- 2.Qxe5#
- 1...Sc6!
- threat
- 1.Qe6+?
- 1...Ke4
- 2.Qxe5#
- 1...dxe6!
- 1...Ke4
- 1.Qxb4?
- 1...c4
- 2.Sf6#
- 2.Qxc4#
- 1...Bb6
- 2.Sxb6#
- 1...Sd2
- 2.Rxd2#
- 1...Sh2
- 2.Rd2#
- 1...Se3
- 2.Rd2#
- 1...Sg3
- 2.Rd2#
- 1...Sc6
- 2.Sac7#
- 1...e4
- 2.c4#
- 1...d6
- 2.Sf6#
- 1...cxb4!
- 1...c4
- 1.Qh4?
- 1...Bb6
- 2.Sxb6#
- 1...Sd2
- 2.Rxd2#
- 1...Sh2
- 2.Rd2#
- 1...Se3
- 2.Rd2#
- 1...Sg3
- 2.Rd2#
- 1...Sc6
- 2.Sac7#
- 1...b3
- 2.c4#
- 1...c4
- 2.Qxc4#
- 1...d6
- 2.Sf6#
- 1...e4!
- 1...Bb6
- 1.Kf6?
- Keys
- 1.Kf8!
- 1...e4
- 2.Qg8#
- 1...Bb6
- 2.Sxb6#
- 1...Sd2
- 2.Rxd2#
- 1...Sh2
- 2.Rd2#
- 1...Se3
- 2.Rd2#
- 1...Sg3
- 2.Rd2#
- 1...Sc6
- 2.Sac7#
- 1...b3
- 2.c4#
- 1...c4
- 2.Qxc4#
- 1...d6
- 2.Sf6#
- 1...e4
- 1.Kf8!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- B(h);N_GUARD::S(G),XB(h)
- S(a);N_GUARD::R(C),XS(a)
- S(a);N_GUARD::R(C)
- S(j);SBLOCK::S(G)
- P(c);N_GUARD::P(B)
- P(d);::QAB1(D),XP(d)
- P(i);SBLOCK::S(I)
- Tries
- Try
- K(F);P-FLIGHT
- Vars
- P(f);SBLOCK::QAB(D)
- B(h);N_GUARD::S(G),XB(h)
- S(a);N_GUARD::R(C),XS(a)
- S(a);N_GUARD::R(C)
- S(j);SBLOCK::S(G)
- P(c);N_GUARD::P(B)
- P(d);::QAB1(D),XP(d)
- Refutation
- P(i);
- Try
- K(F);S_FLIGHT
- Vars
- B(h);N_GUARD::S(G),XB(h)
- S(a);N_GUARD::R(C),XS(a)
- S(a);N_GUARD::R(C)
- S(j);SBLOCK::S(G)
- P(c);N_GUARD::P(B)
- P(d);::QAB1(D),XP(d)
- P(i);SBLOCK::S(I)
- Refutation
- P(f);
- Try
- K(F);P-FLIGHT
- Threat
- S(I)
- Vars
- P(f);SBLOCK::QAB(D)
- Refutation
- S(j);CHECK
- Try
- K(F);P-FLIGHT
- Vars
- B(h);N_GUARD::S(G),XB(h)
- S(a);N_GUARD::R(C),XS(a)
- S(a);N_GUARD::R(C)
- S(j);SBLOCK::S(G)
- P(c);N_GUARD::P(B)
- P(d);::QAB1(D),XP(d)
- P(i);SBLOCK::S(I)
- Refutation
- P(f);
- Try
- K(F);S_FLIGHT
- Vars
- B(h);N_GUARD::S(G),XB(h)
- S(a);N_GUARD::R(C),XS(a)
- S(a);N_GUARD::R(C)
- S(j);SBLOCK::S(G)
- P(c);N_GUARD::P(B)
- P(d);::QAB1(D),XP(d)
- P(i);SBLOCK::S(I)
- Refutation
- P(f);
- Try
- S(I);CHECK
- Vars
- K(e);P-FLIGHT::QAR(D)
- Refutation
- K(e);S_FLIGHT
- Try
- B(A);
- Vars
- B(h);N_GUARD::S(G),XB(h)
- S(a);N_GUARD::R(C),XS(a)
- S(a);N_GUARD::R(C)
- S(j);SBLOCK::S(G)
- P(c);N_GUARD::P(B)
- P(d);::QAB1(D),XP(d)
- P(i);SBLOCK::S(I)
- Refutation
- P(f);
- Try
- R(C);XS(a)
- Threat
- R(C)
- Vars
- S(j);SBLOCK::S(G)
- P(d);::QAB1(D),XP(d)
- Refutation
- P(f);
- Try
- R(C);
- Threat
- DUALS(2)
- Vars
- P(f);::QAB1(D),XP(f)
- S(a);N_GUARD::R(C)
- Refutation
- P(b);XR(C)
- Try
- R(H);
- Vars
- B(h);N_GUARD::S(G),XB(h)
- S(a);N_GUARD::R(C),XS(a)
- S(a);N_GUARD::R(C)
- S(j);N_GUARD,SBLOCK::R(H),XP(i)
- P(c);N_GUARD::P(B)
- P(d);::QAB1(D),XP(d)
- P(i);SBLOCK::S(I)
- Refutation
- P(f);
- Try
- Q(D);CHECK,XP(b)
- Refutation
- P(f);P_SPINP(f)
- Try
- Q(D);P_PINP(f)
- Threat
- QAR2(D)
- Vars
- K(e);N_SPINP(f),P_SPINP(d),S_FLIGHT::QAB1(D)
- P(d);::QAR1(D),XP(f)
- Refutation
- S(j);
- Try
- Q(D);CHECK
- Vars
- K(e);P_SPINP(f),S_FLIGHT::QAR1(D),XP(f)
- Refutation
- P(i);XQ(D)
- Try
- Q(D);XP(c)
- Vars
- B(h);N_GUARD::S(G),XB(h)
- S(a);N_GUARD::R(C),XS(a)
- S(a);N_GUARD::R(C)
- S(j);SBLOCK::S(G)
- P(f);SBLOCK::P(B)
- P(i);SBLOCK::S(I)
- Refutation
- P(d);XQ(D)
- Try
- Q(D);
- Vars
- B(h);N_GUARD::S(G),XB(h)
- S(a);N_GUARD::R(C),XS(a)
- S(a);N_GUARD::R(C)
- S(j);SBLOCK::S(G)
- P(c);N_GUARD::P(B)
- P(d);::QAB1(D),XP(d)
- P(i);SBLOCK::S(I)
- Refutation
- P(f);
- Try
- Actual
- K(F);P-FLIGHT
- Vars
- P(f);SBLOCK::QAB(D)
- B(h);N_GUARD::S(G),XB(h)
- S(a);N_GUARD::R(C),XS(a)
- S(a);N_GUARD::R(C)
- S(j);SBLOCK::S(G)
- P(c);N_GUARD::P(B)
- P(d);::QAB1(D),XP(d)
- P(i);SBLOCK::S(I)
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).