MESON Chess Problem Database
Problem Display
PID: 214484 (8/4BB2/4bN2/4k3/Rb1R4/6P1/3P1K2/2Q5 w - - 0 1)
Clarke, Thomas Denton
Australasian (The), 1879
#2
9 + 3
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Kxd4
- 2.Qc3#
- 1...Bh3
- 2.Rd5#
- 1...Bg4
- 2.Rd5#
- 1...Bd5
- 2.Rxd5#
- 1...Bf5
- 2.Rd5#
- 1...Bd7
- 2.Rd5#
- 1...Bc8
- 2.Rd5#
- 1...Kxd4
- Tries
- 1.Qb1?
- threat
- 2.Qe4#
- 1...Kxd4
- 2.Qe4#
- 1...Bd5
- 2.Rxd5#
- 1...Bf5
- 2.Rd5#
- 1...Bxe7!
- threat
- 1.Qe1+?
- 1...Kxd4
- 2.Qe4#
- 1...Kf5!
- 1...Kxd4
- 1.Qh1?
- threat
- 2.Qe4#
- 1...Kxd4
- 2.Qe4#
- 1...Kf5
- 2.Qh5#
- 1...Bd5
- 2.Rxd5#
- 2.Qxd5#
- 1...Bf5
- 2.Rd5#
- 2.Qd5#
- 1...Bxe7!
- threat
- 1.Qc2?
- threat
- 2.Qe4#
- 1...Kxd4
- 2.Qe4#
- 2.Qc3#
- 1...Bd5
- 2.Rxd5#
- 1...Bf5
- 2.Rd5#
- 1...Bxe7!
- threat
- 1.Qc5+?
- 1...Bd5
- 2.Rxd5#
- 2.Qxd5#
- 1...Bxc5!
- 1...Bd5
- 1.Qc6?
- threat
- 2.Qe4#
- 1...Kxd4
- 2.Qe4#
- 2.Qc3#
- 1...Bxe7
- 2.Qxe6#
- 1...Bd5
- 2.Rxd5#
- 2.Qxd5#
- 1...Bf5
- 2.Rd5#
- 2.Qd5#
- 1...Kf5!
- threat
- 1.Qc7+?
- 1...Kxd4
- 2.Qc3#
- 1...Kf5
- 2.Qf4#
- 1...Bd6!
- 1...Kxd4
- 1.Qb1?
- Keys
- 1.Qc8!
- 1...Kxd4
- 2.Qc3#
- 1...Kf5
- 2.Rd5#
- 1...Bxd2
- 2.Qxe6#
- 1...Bxe7
- 2.Qxe6#
- 1...Bxf7
- 2.Re4#
- 1...Bxc8
- 2.Rd5#
- 1...Ba3
- 2.Qxe6#
- 1...Bc3
- 2.Qxe6#
- 1...Ba5
- 2.Qxe6#
- 1...Bc5
- 2.Qxe6#
- 1...Bd6
- 2.Qxe6#
- 1...Ba2
- 2.Re4#
- 1...Bb3
- 2.Re4#
- 1...Bh3
- 2.Re4#
- 2.Rd5#
- 1...Bc4
- 2.Re4#
- 1...Bg4
- 2.Re4#
- 2.Rd5#
- 1...Bd5
- 2.Rxd5#
- 1...Bf5
- 2.Rd5#
- 1...Bd7
- 2.Rd5#
- 1...Kxd4
- 1.Qc8!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 12
- REMOVED MATES = 2
- Sets
- K(b);OGATEB,P_SPINB(a),S_FLIGHT,XR(F)::QAB1(A)
- B(c);N_GUARD::R1(F)
- B(c);N_GUARD::R1(F),XB(c)
- B(c);N_GUARD,SBLOCK::R1(F)
- Tries
- Try
- Q(A);
- Threat
- QAR1(A)
- Vars
- K(b);P_SPINB(a),S_FLIGHT,XR(F)::QAR1(A)
- B(c);N_GUARD::R1(F),XB(c)
- B(c);N_GUARD::R1(F)
- Refutation
- B(a);XB(H)
- Try
- Q(A);CHECK
- Vars
- K(b);P_SPINB(a),S_FLIGHT,XR(F)::QAR1(A)
- Refutation
- K(b);P-FLIGHT
- Try
- Q(A);
- Threat
- QAR1(A)
- Vars
- K(b);P_SPINB(a),S_FLIGHT,XR(F)::QAR1(A)
- K(b);P-FLIGHT::QAR2(A)
- Refutation
- B(a);XB(H)
- Try
- Q(A);
- Threat
- QAR1(A)
- Vars
- B(c);N_GUARD::R1(F),XB(c)
- B(c);N_GUARD::R1(F)
- Refutation
- B(a);XB(H)
- Try
- Q(A);CHECK
- Refutation
- B(a);P_PINR(F),XQ(A)
- Try
- Q(A);
- Threat
- QAR1(A)
- Vars
- B(a);XB(H)::QAR1(A),XB(c)
- Refutation
- K(b);P-FLIGHT
- Try
- Q(A);CHECK
- Vars
- K(b);OGATEB,P_SPINB(a),S_FLIGHT,XR(F)::QAB1(A)
- K(b);OGATE,P-FLIGHT::QAR1(A)
- Refutation
- B(a);P_SPINB(a)
- Try
- Actual
- Q(A);
- Vars
- K(b);OGATEB,P_SPINB(a),S_FLIGHT,XR(F)::QAB1(A)
- K(b);P-FLIGHT,P_SPINB(c)::R(F)
- B(a);XP(B)::QAR1(A),XB(c)
- B(a);XB(H)::QAR1(A),XB(c)
- B(c);XB(I)::R1(F)
- B(c);N_GUARD,XQ(A)::R1(F)
- B(a);::QAR1(A),XB(c)
- B(a);P_PINR(F)::QAR1(A),XB(c)
- B(c);::R1(F)
- B(c);N_GUARD::R1(F),XB(c)
- B(c);N_GUARD::R1(F)
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).