MESON Chess Problem Database
Problem Display
PID: 159627 (2b1R2B/1p1pn1N1/1P6/3rkB2/R2q1N2/2Q2p1K/5P2/8 w - - 0 1)
Andrew, Frederick William
American Chess Magazine, 1899
#2
10 + 8
| 15351 | SCPF/BCPS Black Books | 2017 |
SOLUTION
- SOUND
- Sets
- 1...Kxf4
- 2.Qe3#
- 1...Kd6
- 2.Qc7#
- 1...Ra5
- 2.Qxd4#
- 1...Rb5
- 2.Qxd4#
- 1...Rc5
- 2.Qxd4#
- 1...Kxf4
- Tries
- 1.Sd3+?
- 1...Kd6
- 2.Qc7#
- 1...Kf6!
- 1...Kd6
- 1.Sg6+?
- 1...Kd6
- 2.Qc7#
- 1...Kf6!
- 1...Kd6
- 1.Sgh5+?
- 1...Kd6
- 2.Qc7#
- 1...Kxf5!
- 1...Kd6
- 1.Sge6+?
- 1...Kd6
- 2.Qc7#
- 1...Kxf5!
- 1...Kd6
- 1.Bb1?
- 1...d6+
- 2.Sge6#
- 1...Kxf4
- 2.Qe3#
- 1...Kd6
- 2.Qc7#
- 1...Qxc3
- 2.Sf5#
- 1...Ra5
- 2.Qxd4#
- 1...Rb5
- 2.Qxd4#
- 1...Rc5
- 2.Qxd4#
- 1...Rd6
- 2.Sge6#
- 1...Kf6!
- 1...d6+
- 1.Bc2?
- 1...d6+
- 2.Sge6#
- 1...Kxf4
- 2.Qe3#
- 1...Kd6
- 2.Qc7#
- 1...Qxc3
- 2.Sf5#
- 1...Ra5
- 2.Qxd4#
- 1...Rb5
- 2.Qxd4#
- 1...Rc5
- 2.Qxd4#
- 1...Rd6
- 2.Sge6#
- 1...Kf6!
- 1...d6+
- 1.Bh7?
- 1...d6+
- 2.Sge6#
- 1...Kxf4
- 2.Qe3#
- 1...Kd6
- 2.Qc7#
- 1...Qxc3
- 2.Sf5#
- 1...Rd6
- 2.Sge6#
- 1...Ra5
- 2.Qxd4#
- 1...Rb5
- 2.Qxd4#
- 1...Rc5
- 2.Qxd4#
- 1...Kf6!
- 1...d6+
- 1.Sd3+?
- Keys
- 1.Bg6!
- 1...d6+
- 2.Sge6#
- 1...Kxf4
- 2.Qe3#
- 1...Kd6
- 2.Qc7#
- 1...Kf6
- 2.Sge6#
- 1...Qxc3
- 2.Sf5#
- 1...Rd6
- 2.Sge6#
- 1...Ra5
- 2.Qxd4#
- 1...Rb5
- 2.Qxd4#
- 1...Rc5
- 2.Qxd4#
- 1...d6+
- 1.Bg6!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 0
- Sets
- K(d);N_SPINS(g),S_FLIGHT,XS(E)::QAB1(B)
- K(d);N_SPINQ(b),N_SPINS(g),S_FLIGHT::QAB1(B)
- R(c);N_GUARD::QAB1(B),XQ(b)
- Tries
- Try
- S(E);CHECK
- Vars
- K(d);N_SPINQ(b),N_SPINS(g),S_FLIGHT::QAB1(B)
- Refutation
- K(d);N_SPINS(g),S_FLIGHT
- Try
- S(E);CHECK
- Vars
- K(d);N_SPINQ(b),N_SPINS(g),S_FLIGHT::QAB1(B)
- Refutation
- K(d);N_SPINS(g),S_FLIGHT
- Try
- S(H);CHECK
- Vars
- K(d);N_SPINQ(b),N_SPINS(g),S_FLIGHT::QAB1(B)
- Refutation
- K(d);N_SPINQ(b),N_SPINS(g),P-FLIGHT,XB(F)
- Try
- S(H);CHECK,N_PINS(g)
- Vars
- K(d);N_SPINQ(b),S_FLIGHT::QAB1(B)
- Refutation
- K(d);N_SPINQ(b),P-FLIGHT,XB(F)
- Try
- B(F);
- Vars
- P(f);CHECK,SBLOCK::B(J)+S(H)
- K(d);N_SPINS(g),S_FLIGHT,XS(E)::QAB1(B)
- K(d);N_SPINQ(b),N_SPINS(g),S_FLIGHT::QAB1(B)
- Q(b);N_SPINQ(b),XQ(B)::B(J)+S(H)
- R(c);N_GUARD::QAB1(B),XQ(b)
- R(c);SBLOCK::B(J)+S(H)
- Refutation
- K(d);N_SPINS(g),S_FLIGHT
- Try
- B(F);
- Vars
- P(f);CHECK,SBLOCK::B(J)+S(H)
- K(d);N_SPINS(g),S_FLIGHT,XS(E)::QAB1(B)
- K(d);N_SPINQ(b),N_SPINS(g),S_FLIGHT::QAB1(B)
- Q(b);N_SPINQ(b),XQ(B)::B(J)+S(H)
- R(c);N_GUARD::QAB1(B),XQ(b)
- R(c);SBLOCK::B(J)+S(H)
- Refutation
- K(d);N_SPINS(g),S_FLIGHT
- Try
- B(F);
- Vars
- P(f);CHECK,SBLOCK::B(J)+S(H)
- K(d);N_SPINS(g),S_FLIGHT,XS(E)::QAB1(B)
- K(d);N_SPINQ(b),N_SPINS(g),S_FLIGHT::QAB1(B)
- Q(b);N_SPINQ(b),XQ(B)::B(J)+S(H)
- R(c);SBLOCK::B(J)+S(H)
- R(c);N_GUARD::QAB1(B),XQ(b)
- Refutation
- K(d);N_SPINS(g),S_FLIGHT
- Try
- Actual
- B(F);
- Vars
- P(f);CHECK,SBLOCK::B(J)+S(H)
- K(d);N_SPINS(g),S_FLIGHT,XS(E)::QAB1(B)
- K(d);N_SPINQ(b),N_SPINS(g),S_FLIGHT::QAB1(B)
- K(d);N_SPINS(g),S_FLIGHT::B(J)+S(H)
- Q(b);N_SPINQ(b),XQ(B)::B(J)+S(H)
- R(c);SBLOCK::B(J)+S(H)
- R(c);N_GUARD::QAB1(B),XQ(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).