MESON Chess Problem Database
Problem Display
PID: 2828 (4R3/p3b3/R2p4/4k1NK/3r2P1/2Q5/8/3N4 w - - 0 1)
Shinkman, William Anthony
Source?, 1875
#2
7 + 5
| 3925 | The Golden Argosy | 1929 |
SOLUTION
- SOUND
- Sets
- 1...Kf4
- 2.Qe3#
- 1...Kd5
- 2.Ra5#
- 1...Kf6
- 2.Qxd4#
- 1...d5
- 2.Qc7#
- 1...Kf4
- Tries
- 1.Kh4?
- 1...Kf4
- 2.Qxd4#
- 2.Qe3#
- 2.Qg3#
- 1...Kd5
- 2.Ra5#
- 1...d5
- 2.Qc7#
- 1...Kf6!
- 1...Kf4
- 1.Kg6?
- 1...Kd5
- 2.Ra5#
- 1...d5
- 2.Qc7#
- 1...Kf4!
- 1...Kd5
- 1.Kh6?
- 1...Kd5
- 2.Ra5#
- 1...Kf6
- 2.Qxd4#
- 1...d5
- 2.Qc7#
- 1...Kf4!
- 1...Kd5
- 1.Sb2?
- 1...Kd5
- 2.Ra5#
- 2.Qa5#
- 1...Kf6
- 2.Qxd4#
- 1...d5
- 2.Sd3#
- 2.Qc7#
- 1...Kf4!
- 1...Kd5
- 1.Sf2?
- 1...Kd5
- 2.Ra5#
- 1...Kf6
- 2.Qxd4#
- 1...d5
- 2.Sd3#
- 2.Qc7#
- 1...Kf4!
- 1...Kd5
- 1.Se3?
- 1...Kf6
- 2.Qxd4#
- 1...d5
- 2.Qc7#
- 1...Kf4!
- 1...Kf6
- 1.Ra4?
- threat
- 2.Qxd4#
- 1...Kf4
- 2.Qe3#
- 1...Kd5
- 2.Ra5#
- 1...Kf6
- 2.Qxd4#
- 1...d5!
- threat
- 1.Ra5+?
- 1...Kf4
- 2.Rf5#
- 2.Qe3#
- 2.Qf3#
- 1...Kf6
- 2.Qxd4#
- 1...d5!
- 1...Kf4
- 1.Rxd6?
- threat
- 2.Qxd4#
- 1...Kf4
- 2.Qe3#
- 1...Kxd6!
- threat
- 1.Rxa7?
- 1...Kf4
- 2.Qe3#
- 1...Kd5
- 2.Ra5#
- 1...Kf6
- 2.Qxd4#
- 1...d5!
- 1...Kf4
- 1.Rxe7+?
- 1...Kf4
- 2.Sh3#
- 2.Qe3#
- 2.Qf3#
- 1...Kd5
- 2.Se3#
- 2.Ra5#
- 2.Qc6#
- 1...Kf6!
- 1...Kf4
- 1.Kh4?
- Keys
- 1.Qb2!
- 1...Kf4
- 2.Qh2#
- 1...Kd5
- 2.Qb5#
- 1...Kf6
- 2.Qxd4#
- 1...d5
- 2.Qb8#
- 1...Kf4
- 1.Qb2!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 3
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- K(b);N_SPINB(e),N_SPINR(a),S_FLIGHT::QAB1(B)
- K(b);N_SPINB(e),N_SPINR(a),P-FLIGHT::R(F)
- K(b);N_SPINB(e),P_SPINP(c),S_FLIGHT::QAB(B),XR(a)
- P(c);OGATEB,SBLOCK::QAB(B)
- Tries
- Try
- K(E);P-FLIGHT,P_SPINP(C),P_SPINS(D)
- Vars
- K(b);N_SPINB(e),N_SPINR(a),P-FLIGHT::R(F)
- P(c);OGATEB,SBLOCK::QAB(B)
- Refutation
- K(b);N_PINS(D),N_SPINB(e),P_SPINP(c),S_FLIGHT
- Try
- K(E);S_FLIGHT
- Vars
- K(b);N_SPINB(e),N_SPINR(a),P-FLIGHT::R(F)
- P(c);OGATEB,SBLOCK::QAB(B)
- Refutation
- K(b);N_SPINB(e),N_SPINR(a),S_FLIGHT
- Try
- K(E);P-FLIGHT
- Vars
- K(b);N_SPINB(e),N_SPINR(a),P-FLIGHT::R(F)
- K(b);N_SPINB(e),P_SPINP(c),S_FLIGHT::QAB(B),XR(a)
- P(c);OGATEB,SBLOCK::QAB(B)
- Refutation
- K(b);N_SPINB(e),N_SPINR(a),S_FLIGHT
- Try
- S(A);
- Vars
- K(b);N_SPINB(e),P_SPINP(c),S_FLIGHT::QAB(B),XR(a)
- Refutation
- K(b);N_SPINB(e),N_SPINR(a),S_FLIGHT
- Try
- S(A);
- Vars
- K(b);N_SPINB(e),N_SPINR(a),P-FLIGHT::R(F)
- K(b);N_SPINB(e),P_SPINP(c),S_FLIGHT::QAB(B),XR(a)
- Refutation
- K(b);N_SPINB(e),N_SPINR(a),S_FLIGHT
- Try
- S(A);
- Vars
- K(b);N_SPINB(e),P_SPINP(c),S_FLIGHT::QAB(B),XR(a)
- P(c);OGATEB::QAB(B)
- Refutation
- K(b);N_SPINB(e),N_SPINR(a),S_FLIGHT
- Try
- R(F);
- Threat
- QAB1(B),XR(a)
- Vars
- K(b);N_SPINB(e),S_FLIGHT::QAB1(B)
- K(b);N_SPINB(e),N_SPINR(a),P-FLIGHT::R(F)
- K(b);N_SPINB(e),S_FLIGHT::QAB(B),XR(a)
- Refutation
- P(c);
- Try
- R(F);CHECK
- Vars
- K(b);N_SPINB(e),S_FLIGHT::QAB(B),XR(a)
- Refutation
- P(c);P_SPINP(c)
- Try
- R(F);XP(c)
- Threat
- QAB1(B),XR(a)
- Vars
- K(b);N_SPINB(e),N_SPINR(a),S_FLIGHT::QAB1(B)
- Refutation
- K(b);N_SPINB(e),N_SPINR(a),S_FLIGHT,XR(F)
- Try
- R(F);XP(d)
- Vars
- K(b);N_SPINB(e),N_SPINR(a),S_FLIGHT::QAB1(B)
- K(b);N_SPINB(e),N_SPINR(a),P-FLIGHT::R(F)
- K(b);N_SPINB(e),S_FLIGHT::QAB(B),XR(a)
- Refutation
- P(c);
- Try
- R(G);CHECK,XB(e)
- Refutation
- K(b);P_SPINP(c),S_FLIGHT
- Try
- Actual
- Q(B);
- Vars
- K(b);N_SPINB(e),N_SPINR(a),S_FLIGHT::QAB(B)
- K(b);N_SPINB(e),N_SPINR(a),P-FLIGHT::QAR2(B)
- K(b);N_SPINB(e),P_SPINP(c),S_FLIGHT::QAB(B),XR(a)
- P(c);OGATEB,SBLOCK::QAB(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).