MESON Chess Problem Database
Problem Display
PID: 214503 (8/5pNn/1p3k1K/4p1p1/2p3p1/B1PpQ2P/1r6/8 w - - 0 1)
Wheeler, Charles Henry
Brownson's Chess Journal, 1877
#2
6 + 10
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Rb1
- 2.Qf2#
- 1...Ra2
- 2.Qxb6#
- 1...Rc2
- 2.Qxb6#
- 1...Rd2
- 2.Qxb6#
- 1...Re2
- 2.Qxb6#
- 1...Rf2
- 2.Qxf2#
- 2.Qxb6#
- 1...Rg2
- 2.Qxb6#
- 1...Rh2
- 2.Qxb6#
- 1...Rb3
- 2.Qf2#
- 1...Rb5
- 2.Qf2#
- 1...Sf8
- 2.Qxg5#
- 1...d2
- 2.Qf2#
- 1...gxh3
- 2.Qf3#
- 1...g3
- 2.Qf3#
- 1...e4
- 2.Qd4#
- 1...b5
- 2.Qb6#
- 1...Rb1
- Tries
- 1.Kxh7?
- 1...gxh3
- 2.Qf3#
- 1...e4
- 2.Qd4#
- 1...Rb1
- 2.Qf2#
- 1...Ra2
- 2.Qxb6#
- 1...Rc2
- 2.Qxb6#
- 1...Rd2
- 2.Qxb6#
- 1...Re2
- 2.Qxb6#
- 1...Rf2
- 2.Qxf2#
- 2.Qxb6#
- 1...Rg2
- 2.Qxb6#
- 1...Rh2
- 2.Qxb6#
- 1...Rb3
- 2.Qf2#
- 1...Rb5
- 2.Qf2#
- 1...d2
- 2.Qf2#
- 1...g3
- 2.Qf3#
- 1...b5
- 2.Qb6#
- 1...Rb4!
- 1...gxh3
- 1.Bb4?
- threat
- 2.Qxb6#
- 1...e4
- 2.Qd4#
- 1...Sf8
- 2.Qxg5#
- 1...b5
- 2.Qb6#
- 1...Rxb4!
- threat
- 1.Bd6?
- threat
- 2.Qxe5#
- 1...Rb5
- 2.Qf2#
- 1...e4
- 2.Qd4#
- 1...Re2!
- threat
- 1.Qd4?
- threat
- 2.Qd6#
- 2.Qd8#
- 1...Sf8
- 2.Qd8#
- 1...exd4!
- threat
- 1.Qc5?
- threat
- 2.Qd6#
- 2.Qe7#
- 2.Qc6#
- 1...Rb4
- 2.Qd6#
- 1...Sf8
- 2.Qe7#
- 1...e4
- 2.Qd4#
- 2.Qd6#
- 2.Qe7#
- 2.Qf5#
- 1...bxc5!
- threat
- 1.Qxd3?
- threat
- 2.Qf5#
- 2.Qd6#
- 2.Qd8#
- 1...Rb4
- 2.Qd6#
- 2.Qd8#
- 1...e4
- 2.Qd4#
- 2.Qd6#
- 1...Rd2
- 2.Qf5#
- 1...Rf2
- 2.Qd6#
- 2.Qd8#
- 1...Sf8
- 2.Qf5#
- 2.Qd8#
- 1...cxd3!
- threat
- 1.Qe4?
- threat
- 2.Qf5#
- 2.Qc6#
- 1...Rf2
- 2.Qc6#
- 1...Sf8
- 2.Qf5#
- 1...Rb4!
- threat
- 1.Kxh7?
- Keys
- 1.Bf8!
- 1...Sxf8
- 2.Qxg5#
- 1...gxh3
- 2.Qf3#
- 1...e4
- 2.Qd4#
- 1...Rb1
- 2.Qf2#
- 1...Ra2
- 2.Qxb6#
- 1...Rc2
- 2.Qxb6#
- 1...Rd2
- 2.Qxb6#
- 1...Re2
- 2.Qxb6#
- 1...Rf2
- 2.Qxf2#
- 2.Qxb6#
- 1...Rg2
- 2.Qxb6#
- 1...Rh2
- 2.Qxb6#
- 1...Rb3
- 2.Qf2#
- 1...Rb4
- 2.Qf2#
- 1...Rb5
- 2.Qf2#
- 1...d2
- 2.Qf2#
- 1...g3
- 2.Qf3#
- 1...b5
- 2.Qb6#
- 1...Sxf8
- 1.Bf8!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- R(a);N_GUARD::QAR(C)
- R(a);N_GUARD::QAR(C),XP(g)
- R(a);N_GUARD,P_PINP(D)::QAR(C),XP(g)
- S(j);N_GUARD::QAB1(C),XP(f)
- P(b);S_CUTR(a)::QAR(C)
- P(d);N_GUARD,XP(D)::QAR(C)
- P(d);N_GUARD::QAR(C)
- P(e);OGATEB::QAB(C)
- P(g);S_CUTR(a)::QAR(C)
- Tries
- Try
- K(E);P-FLIGHT,XS(j)
- Vars
- P(d);N_GUARD,XP(D)::QAR(C)
- P(e);OGATEB::QAB(C)
- R(a);N_GUARD::QAR(C)
- R(a);N_GUARD::QAR(C),XP(g)
- R(a);N_GUARD,P_PINP(D)::QAR(C),XP(g)
- P(b);S_CUTR(a)::QAR(C)
- P(d);N_GUARD::QAR(C)
- P(g);S_CUTR(a)::QAR(C)
- Refutation
- R(a);
- Try
- B(A);
- Threat
- QAR(C),XP(g)
- Vars
- P(e);OGATEB::QAB(C)
- S(j);N_GUARD::QAB1(C),XP(f)
- P(g);::QAR(C)
- Refutation
- R(a);XB(A)
- Try
- B(A);
- Threat
- QAB1(C),XP(e)
- Vars
- R(a);N_GUARD::QAR(C)
- P(e);OGATEB::QAB(C)
- Refutation
- R(a);
- Try
- Q(C);P_PINP(e)
- Threat
- DUALS(2)
- Vars
- S(j);::QAB(C)
- Refutation
- P(e);N_SPINP(e),XQ(C)
- Try
- Q(C);
- Threat
- DUALS(3)
- Vars
- R(a);::QAR2(C)
- S(j);::QAB1(C)
- Refutation
- P(g);XQ(C)
- Try
- Q(C);XP(b)
- Threat
- DUALS(3)
- Vars
- R(a);::QAR1(C)
- Refutation
- P(c);XQ(C)
- Try
- Q(C);
- Threat
- DUALS(2)
- Vars
- R(a);::QAR(C)
- S(j);::QAR1(C)
- Refutation
- R(a);
- Try
- Actual
- B(A);
- Vars
- S(j);N_GUARD,XB(A)::QAB1(C),XP(f)
- P(d);N_GUARD,XP(D)::QAR(C)
- P(e);OGATEB::QAB(C)
- R(a);N_GUARD::QAR(C)
- R(a);N_GUARD::QAR(C),XP(g)
- R(a);N_GUARD,P_PINP(D)::QAR(C),XP(g)
- P(b);S_CUTR(a)::QAR(C)
- P(d);N_GUARD::QAR(C)
- P(g);S_CUTR(a)::QAR(C)
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).