MESON Chess Problem Database
Problem Display
PID: 182280 (6b1/1Q6/1Prp4/3k4/2qB2P1/4R2K/BP2NN2/8 w - - 0 1)
Gamage, Frederick
2nd Prize, Western Daily Mercury, 1906
#2
10 + 5
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Qb3
- 2.Bxb3#
- 1...Bf7
- 2.Qxf7#
- 1...Bh7
- 2.Qf7#
- 1...Qb3
- Tries
- 1.Sd1?
- threat
- 2.Sdc3#
- 1...Qb3
- 2.Bxb3#
- 1...Qxa2!
- threat
- 1.Sd3?
- threat
- 2.Sb4#
- 2.Sdf4#
- 1...Qb3
- 2.Bxb3#
- 1...Qxa2!
- threat
- 1.Se4?
- threat
- 2.S4c3#
- 2.Sf6#
- 1...Ke6
- 2.Sf4#
- 2.S4c3#
- 2.Sf6#
- 1...Qb3
- 2.Bxb3#
- 1...Qxa2!
- threat
- 1.Ra3?
- 1...Qb3+
- 2.Bxb3#
- 1...Ke6
- 2.Sf4#
- 1...Be6
- 2.Ra5#
- 1...Bf7
- 2.Qxf7#
- 1...Bh7
- 2.Qf7#
- 1...Qxa2!
- 1...Qb3+
- 1.Rc3?
- threat
- 2.Bxc4#
- 1...Ke6
- 2.Sf4#
- 1...Qb3
- 2.Bxb3#
- 1...Qxa2!
- threat
- 1.Rd3?
- threat
- 2.Sf4#
- 1...Ke6
- 2.Sf4#
- 1...Qb3
- 2.Bxb3#
- 1...Qxa2!
- threat
- 1.Re4?
- threat
- 2.Sc3#
- 2.Sf4#
- 1...Qb3+
- 2.Bxb3#
- 1...Qxa2!
- threat
- 1.Qh7?
- threat
- 2.Qe4#
- 2.Qf5#
- 2.Qxg8#
- 2.Qh5#
- 1...Qxa2
- 2.Qxg8#
- 1...Rxb6
- 2.Qe4#
- 1...Qb3
- 2.Qxg8#
- 1...Rc5
- 2.Qe4#
- 1...Rc7
- 2.Qe4#
- 1...Rc8
- 2.Qe4#
- 1...Be6
- 2.Qe4#
- 1...Bf7
- 2.Qe4#
- 2.Qf5#
- 2.Qxf7#
- 1...Bxh7!
- threat
- 1.Sd1?
- Keys
- 1.Rb3!
- 1...Qxb3+
- 2.Bxb3#
- 1...Qd3+
- 2.Rxd3#
- 1...Qc3+
- 2.Rxc3#
- 1...Ke6
- 2.Sf4#
- 1...Qxe2
- 2.Rd3#
- 1...Qxd4
- 2.Rb5#
- 1...Qb5
- 2.Rxb5#
- 1...Qa6
- 2.Rb5#
- 1...Qc1
- 2.Rc3#
- 2.Rb5#
- 1...Qc2
- 2.Rb5#
- 1...Qa4
- 2.Rb5#
- 1...Qb4
- 2.Rxb4#
- 1...Qc5
- 2.Rb5#
- 1...Be6
- 2.Rb5#
- 1...Bf7
- 2.Qxf7#
- 1...Bh7
- 2.Qf7#
- 1...Qxb3+
- 1.Rb3!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 12
- REMOVED MATES = 0
- Sets
- Q(a);OGATEB,P_PINR(E)::B(A),XQ(a)
- B(e);N_GUARD::QAB(J),XB(e)
- B(e);N_GUARD::QAB(J)
- Tries
- Try
- S(D);
- Threat
- S(D)
- Vars
- Q(a);OGATEB,P_PINR(E)::B(A),XQ(a)
- Refutation
- Q(a);N_SPINQ(a),XB(A)
- Try
- S(D);
- Threat
- DUALS(2)
- Vars
- Q(a);OGATEB::B(A),XQ(a)
- Refutation
- Q(a);N_SPINQ(a),XB(A)
- Try
- S(D);
- Threat
- DUALS(2)
- Vars
- Q(a);OGATEB,P_PINR(E)::B(A),XQ(a)
- Refutation
- Q(a);N_SPINQ(a),XB(A)
- Try
- R(E);
- Vars
- Q(a);CHECK,OGATEB::B(A),XQ(a)
- K(b);N_SPINR(c),S_FLIGHT::S(C)
- B(e);P_PINP(H),SBLOCK::R(E)
- B(e);N_GUARD::QAB(J),XB(e)
- B(e);N_GUARD::QAB(J)
- Refutation
- Q(a);N_SPINQ(a),XB(A)
- Try
- R(E);
- Threat
- B(A),XQ(a)
- Vars
- K(b);N_SPINR(c),S_FLIGHT::S(C)
- Q(a);OGATEB,P_PINR(E)::B(A),XQ(a)
- Refutation
- Q(a);N_SPINQ(a),XB(A)
- Try
- R(E);
- Threat
- S(C)
- Vars
- K(b);N_SPINR(c),S_FLIGHT::S(C)
- Q(a);OGATEB,P_PINR(E)::B(A),XQ(a)
- Refutation
- Q(a);N_SPINQ(a),XB(A)
- Try
- R(E);
- Threat
- DUALS(2)
- Vars
- Q(a);CHECK,OGATEB::B(A),XQ(a)
- Refutation
- Q(a);N_SPINQ(a),XB(A)
- Try
- Q(J);N_PINR(c)
- Threat
- DUALS(4)
- Vars
- Q(a);N_SPINQ(a),XB(A)::QAB(J),XB(e)
- R(c);XP(I)::QAB1(J)
- Q(a);P_PINR(E)::QAB(J),XB(e)
- R(c);::QAB1(J)
- B(e);P_PINP(H)::QAB1(J)
- Refutation
- B(e);XQ(J)
- Try
- Actual
- R(E);N_PINQ(a)
- Vars
- Q(a);CHECK,OGATE,P_SPINQ(a),XR(E)::B(A),XQ(a)
- Q(a);CHECK,OGATEB::B(A)+R(E),XQ(a)
- K(b);N_SPINR(c),S_FLIGHT::S(C)
- Q(a);OGATEB,XS(C)::B(A)+R(E)
- Q(a);XB(G)::B(A)+R(E),DCHECK
- Q(a);::B(A)+R(E),DCHECK,XQ(a)
- Q(a);::B(A)+R(E),DCHECK
- Q(a);OGATEB::B(A)+R(E),XQ(a)
- Q(a);::B(A)+R(E)
- B(e);P_PINP(H),SBLOCK::R(E)
- B(e);N_GUARD::QAB(J),XB(e)
- B(e);N_GUARD::QAB(J)
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).