MESON Chess Problem Database
Problem Display
PID: 142400 (1bR5/3Nn3/3p1Rp1/1N6/n3kB2/KQ3q2/4prB1/1b6 w - - 0 1)
Lane, Henry Fitzgerald William
BCPS 058. Ty., 1942
#2
8 + 10
| 14867 | BCPS Library | 2011 |
SOLUTION
- SOUND
- Sets
- 1...Bd3
- 2.Qe6#
- 1...Sc3
- 2.Qc4#
- 1...Sd5
- 2.Rc4#
- 1...d5
- 2.Qe3#
- 1...Bd3
- Tries
- 1.Sc3+?
- 1...Kd4
- 2.Qc4#
- 1...Sxc3
- 2.Qc4#
- 1...Kd3!
- 1...Kd4
- 1.Sxd6+?
- 1...Kd4
- 2.Be5#
- 1...Bxd6+!
- 1...Kd4
- 1.Bc1?
- threat
- 2.Rf4#
- 1...Qxg2
- 2.Qc4#
- 1...Rxg2
- 2.Qxf3#
- 1...Sc3
- 2.Qc4#
- 1...Sd5
- 2.Rc4#
- 1...Sf5
- 2.Re6#
- 1...d5
- 2.Qe3#
- 1...g5!
- threat
- 1.Bd2?
- threat
- 2.Rf4#
- 1...Qxg2
- 2.Qc4#
- 1...Rxg2
- 2.Qxf3#
- 1...Sc3
- 2.Qc4#
- 1...Sd5
- 2.Rc4#
- 1...Sf5
- 2.Re6#
- 1...d5
- 2.Qe3#
- 1...g5!
- threat
- 1.Bh6?
- threat
- 2.Rf4#
- 1...Qxg2
- 2.Qc4#
- 1...Rxg2
- 2.Qxf3#
- 1...Sc3
- 2.Qc4#
- 1...Bd3
- 2.Qe6#
- 1...Sd5
- 2.Rc4#
- 1...Sf5
- 2.Re6#
- 1...d5
- 2.Qe3#
- 1...g5!
- threat
- 1.Rc3?
- threat
- 2.Re3#
- 2.Qc4#
- 2.Qe6#
- 1...Rxg2
- 2.Qc4#
- 2.Qe6#
- 1...Sxc3
- 2.Qc4#
- 1...e1Q
- 2.Qc4#
- 2.Qe6#
- 1...e1R
- 2.Qc4#
- 2.Qe6#
- 1...Ba2
- 2.Re3#
- 1...Bd3
- 2.Qe6#
- 1...Ba7
- 2.Qe6#
- 1...Sb2
- 2.Re3#
- 2.Qe6#
- 1...Sc5
- 2.Re3#
- 2.Qc4#
- 1...Sb6
- 2.Re3#
- 2.Qe6#
- 1...Sd5
- 2.Rc4#
- 2.Qc4#
- 2.Qxb1#
- 1...Sc6
- 2.Re3#
- 1...d5
- 2.Re3#
- 2.Qxb1#
- 1...Sf5!
- threat
- 1.Re8?
- threat
- 2.Rxe7#
- 1...Sc3
- 2.Qc4#
- 1...d5
- 2.Qe3#
- 1...Sc5!
- threat
- 1.Sc3+?
- Keys
- 1.Bg5!
- threat
- 2.Rf4#
- 1...Qxg2
- 2.Qc4#
- 1...Rxg2
- 2.Qxf3#
- 1...Sc3
- 2.Qc4#
- 1...Bd3
- 2.Qe6#
- 1...Sd5
- 2.Rc4#
- 1...Sf5
- 2.Re6#
- 1...d5
- 2.Qe3#
- threat
- 1.Bg5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- B(a);N_PINQ(C),SBLOCK::QAR2(C)
- S(e);N_PINQ(C)::QAR2(C)
- S(i);SBLOCK::R(H)
- P(g);SBLOCK::QAR1(C)
- Tries
- Try
- S(E);CHECK,N_SPINQ(C)
- Vars
- K(f);N_SPINQ(d),P-FLIGHT::QAR1(C)
- S(e);XS(E)::QAR2(C)
- Refutation
- K(f);N_SPINQ(d),S_FLIGHT
- Try
- S(E);CHECK,XP(g)
- Vars
- K(f);N_SPINQ(d),P-FLIGHT::B(D)
- Refutation
- B(j);CHECK,XS(E)
- Try
- B(D);
- Threat
- R1(F)
- Vars
- Q(d);N_PINQ(C),N_SPINQ(d),XB(A)::QAR2(C)
- R(c);N_GUARD,N_SPINQ(d),XB(A)::QAB1(C),XQ(d)
- S(e);N_PINQ(C)::QAR2(C)
- S(i);SBLOCK::R(H)
- S(i);SBLOCK::R(F)
- P(g);SBLOCK::QAR1(C)
- Refutation
- P(h);
- Try
- B(D);
- Threat
- R1(F)
- Vars
- Q(d);N_PINQ(C),N_SPINQ(d),XB(A)::QAR2(C)
- R(c);N_GUARD,N_SPINQ(d),XB(A)::QAB1(C),XQ(d)
- S(e);N_PINQ(C)::QAR2(C)
- S(i);SBLOCK::R(H)
- S(i);SBLOCK::R(F)
- P(g);SBLOCK::QAR1(C)
- Refutation
- P(h);
- Try
- B(D);
- Threat
- R1(F)
- Vars
- Q(d);N_PINQ(C),N_SPINQ(d),XB(A)::QAR2(C)
- R(c);N_GUARD,N_SPINQ(d),XB(A)::QAB1(C),XQ(d)
- S(e);N_PINQ(C)::QAR2(C)
- B(a);N_PINQ(C),SBLOCK::QAR2(C)
- S(i);SBLOCK::R(H)
- S(i);SBLOCK::R(F)
- P(g);SBLOCK::QAR1(C)
- Refutation
- P(h);
- Try
- R(H);N_SPINQ(C)
- Threat
- DUALS(3)
- Vars
- S(e);XR(H)::QAR2(C)
- B(a);::R1(H)
- B(a);::QAR2(C)
- B(j);::QAR2(C)
- S(i);::R1(H)
- Refutation
- S(i);
- Try
- R(H);P_PINS(i)
- Threat
- R(H),XS(i)
- Vars
- S(e);N_PINQ(C)::QAR2(C)
- P(g);SBLOCK::QAR1(C)
- Refutation
- S(e);
- Try
- Actual
- B(D);
- Threat
- R1(F)
- Vars
- Q(d);N_PINQ(C),N_SPINQ(d),XB(A)::QAR2(C)
- R(c);N_GUARD,N_SPINQ(d),XB(A)::QAB1(C),XQ(d)
- S(e);N_PINQ(C)::QAR2(C)
- B(a);N_PINQ(C),SBLOCK::QAR2(C)
- S(i);SBLOCK::R(H)
- S(i);SBLOCK::R(F)
- P(g);SBLOCK::QAR1(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).