MESON Chess Problem Database
Problem Display
PID: 219043 (8/8/3pN1P1/3kr2R/1R2n3/5Q2/2K5/8 w - - 0 1)
Arnold, William E
St. Louis Globe Democrat, 1882
#2
6 + 4
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Kxe6
- 2.Qf7#
- 1...Rf5
- 2.Qxe4#
- 1...Rg5
- 2.Qxe4#
- 1...Rxh5
- 2.Qxe4#
- 1...Kxe6
- Tries
- 1.Kb1?
- 1...Kxe6
- 2.Qf7#
- 1...Rxh5
- 2.Qxe4#
- 1...Rf5
- 2.Qxe4#
- 1...Rg5
- 2.Qxe4#
- 1...Kc6!
- 1...Kxe6
- 1.Kc1?
- 1...Kxe6
- 2.Qf7#
- 1...Rxh5
- 2.Qxe4#
- 1...Rf5
- 2.Qxe4#
- 1...Rg5
- 2.Qxe4#
- 1...Kc6!
- 1...Kxe6
- 1.Kd1?
- 1...Kxe6
- 2.Qf7#
- 1...Rxh5
- 2.Qxe4#
- 1...Rf5
- 2.Qxe4#
- 1...Rg5
- 2.Qxe4#
- 1...Kc6!
- 1...Kxe6
- 1.Kb2?
- 1...Kxe6
- 2.Qf7#
- 1...Rxh5
- 2.Qxe4#
- 1...Rf5
- 2.Qxe4#
- 1...Rg5
- 2.Qxe4#
- 1...Kc6!
- 1...Kxe6
- 1.Kb3?
- 1...Kxe6
- 2.Qf7#
- 1...Rxh5
- 2.Qxe4#
- 1...Rf5
- 2.Qxe4#
- 1...Rg5
- 2.Qxe4#
- 1...Kc6!
- 1...Kxe6
- 1.Kd3?
- 1...Kxe6
- 2.Qf7#
- 1...Rxh5
- 2.Qxe4#
- 1...Rf5
- 2.Qxe4#
- 1...Rg5
- 2.Qxe4#
- 1...Kc6!
- 1...Kxe6
- 1.Ra4?
- 1...Kxe6
- 2.Qf7#
- 1...Rxh5
- 2.Qxe4#
- 1...Rf5
- 2.Qxe4#
- 1...Rg5
- 2.Qxe4#
- 1...Kc6!
- 1...Kxe6
- 1.Rd4+?
- 1...Kxe6
- 2.Qf7#
- 1...Kc6!
- 1...Kxe6
- 1.Rb5+?
- 1...Kc4
- 2.Qe2#
- 2.Qf1#
- 2.Qb3#
- 2.Qd3#
- 1...Kxe6
- 2.Qf7#
- 1...Kc6!
- 1...Kc4
- 1.Rg5?
- 1...Kxe6
- 2.Qf7#
- 1...Rxg5
- 2.Qxe4#
- 1...Rf5
- 2.Qxe4#
- 1...Kc6!
- 1...Kxe6
- 1.Kb1?
- Keys
- 1.Rc4!
- 1...Kxc4
- 2.Qb3#
- 1...Kxe6
- 2.Qf7#
- 1...Rxh5
- 2.Qxe4#
- 1...Rf5
- 2.Qxe4#
- 1...Rg5
- 2.Qxe4#
- 1...Kxc4
- 1.Rc4!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- K(b);N_SPINR(c),N_SPINS(a),OGATEB,S_FLIGHT,XS(E)::QAB1(B)
- R(c);::QAB1(B),XS(a)
- R(c);N_SPINR(c),XR(D)::QAB1(B),XS(a)
- Tries
- Try
- K(A);S_FLIGHT
- Vars
- K(b);N_SPINR(c),N_SPINS(a),OGATEB,S_FLIGHT,XS(E)::QAB1(B)
- R(c);N_SPINR(c),XR(D)::QAB1(B),XS(a)
- R(c);::QAB1(B),XS(a)
- Refutation
- K(b);N_SPINR(c),S_FLIGHT
- Try
- K(A);P-FLIGHT
- Vars
- K(b);N_SPINR(c),N_SPINS(a),OGATEB,S_FLIGHT,XS(E)::QAB1(B)
- R(c);N_SPINR(c),XR(D)::QAB1(B),XS(a)
- R(c);::QAB1(B),XS(a)
- Refutation
- K(b);N_SPINR(c),S_FLIGHT
- Try
- K(A);S_FLIGHT
- Vars
- K(b);N_SPINR(c),N_SPINS(a),OGATEB,S_FLIGHT,XS(E)::QAB1(B)
- R(c);N_SPINR(c),XR(D)::QAB1(B),XS(a)
- R(c);::QAB1(B),XS(a)
- Refutation
- K(b);N_SPINR(c),S_FLIGHT
- Try
- K(A);P-FLIGHT
- Vars
- K(b);N_SPINR(c),N_SPINS(a),OGATEB,S_FLIGHT,XS(E)::QAB1(B)
- R(c);N_SPINR(c),XR(D)::QAB1(B),XS(a)
- R(c);::QAB1(B),XS(a)
- Refutation
- K(b);N_SPINR(c),S_FLIGHT
- Try
- K(A);S_FLIGHT
- Vars
- K(b);N_SPINR(c),N_SPINS(a),OGATEB,S_FLIGHT,XS(E)::QAB1(B)
- R(c);N_SPINR(c),XR(D)::QAB1(B),XS(a)
- R(c);::QAB1(B),XS(a)
- Refutation
- K(b);N_SPINR(c),S_FLIGHT
- Try
- K(A);S_FLIGHT
- Vars
- K(b);N_SPINR(c),N_SPINS(a),OGATEB,S_FLIGHT,XS(E)::QAB1(B)
- R(c);N_SPINR(c),XR(D)::QAB1(B),XS(a)
- R(c);::QAB1(B),XS(a)
- Refutation
- K(b);N_SPINR(c),S_FLIGHT
- Try
- R(C);
- Vars
- K(b);N_SPINR(c),N_SPINS(a),OGATEB,S_FLIGHT,XS(E)::QAB1(B)
- R(c);N_SPINR(c),XR(D)::QAB1(B),XS(a)
- R(c);::QAB1(B),XS(a)
- Refutation
- K(b);N_SPINR(c),S_FLIGHT
- Try
- R(C);CHECK
- Vars
- K(b);N_SPINR(c),N_SPINS(a),S_FLIGHT,XS(E)::QAB1(B)
- Refutation
- K(b);N_SPINR(c),S_FLIGHT
- Try
- R(C);CHECK
- Vars
- K(b);N_SPINR(c),N_SPINS(a),S_FLIGHT,XS(E)::QAB1(B)
- Refutation
- K(b);N_SPINR(c),S_FLIGHT
- Try
- R(D);
- Vars
- K(b);N_SPINR(c),N_SPINS(a),OGATEB,S_FLIGHT,XS(E)::QAB1(B)
- R(c);N_SPINR(c),XR(D)::QAB1(B),XS(a)
- R(c);::QAB1(B),XS(a)
- Refutation
- K(b);N_SPINR(c),S_FLIGHT
- Try
- Actual
- R(C);
- Vars
- K(b);N_SPINR(c),N_SPINS(a),OGATEB,S_FLIGHT,XR(C)::QAB1(B)
- K(b);N_SPINR(c),N_SPINS(a),OGATEB,S_FLIGHT,XS(E)::QAB1(B)
- R(c);N_SPINR(c),XR(D)::QAB1(B),XS(a)
- R(c);::QAB1(B),XS(a)
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).