MESON Chess Problem Database
Problem Display
PID: 10360 (B7/1R3Np1/3R4/4r1p1/3rkp2/2n4Q/3p2K1/8 w - - 0 1)
Mansfield, Comins
Themes-64, 1963
#2
6 + 8
| 4054 | Complete Mansfield/III | 1999 |
SOLUTION
- SOUND
- Sets
- 1...Rd3
- 2.Rb4#
- 2.Qxd3#
- 1...Ra4
- 2.Rb4#
- 2.Qd3#
- 1...Rb4
- 2.Rxb4#
- 2.Qd3#
- 1...Rc4
- 2.Qd3#
- 1...Rdd5
- 2.Rb4#
- 1...Rxd6
- 2.Rb4#
- 1...Ra5
- 2.Re7#
- 1...Rb5
- 2.Re7#
- 1...Rc5
- 2.Re7#
- 1...Red5
- 2.Re7#
- 1...Rf5
- 2.Re7#
- 2.Qf3#
- 1...Re7
- 2.Rxe7#
- 1...Re8
- 2.Re7#
- 1...f3+
- 2.Qxf3#
- 1...Rd3
- Tries
- 1.Rb1+?
- 1...Rdd5
- 2.Rb4#
- 1...Red5
- 2.Re6#
- 1...Sd5!
- 1...Rdd5
- 1.Rb2+?
- 1...Rdd5
- 2.Rb4#
- 1...Red5
- 2.Re6#
- 1...Sd5!
- 1...Rdd5
- 1.Rb3+?
- 1...Rdd5
- 2.Rb4#
- 1...Red5
- 2.Re6#
- 1...Sd5!
- 1...Rdd5
- 1.Rb4+?
- 1...Rd5
- 2.Re6#
- 1...Sd5!
- 1...Rd5
- 1.Rb5+?
- 1...Rdd5
- 2.Rb4#
- 1...Red5
- 2.Re6#
- 1...Sd5!
- 1...Rdd5
- 1.Rbb6+?
- 1...Rdd5
- 2.Rb4#
- 1...Red5
- 2.Re6#
- 1...Sd5!
- 1...Rdd5
- 1.Rc7+?
- 1...Rdd5
- 2.Rc4#
- 1...Red5
- 2.Re6#
- 2.Re7#
- 1...Sd5!
- 1...Rdd5
- 1.Re7+?
- 1...Sd5
- 2.Sxg5#
- 2.Rxe5#
- 1...Rd5!
- 1...Sd5
- 1.Rb8+?
- 1...Rdd5
- 2.Rb4#
- 1...Red5
- 2.Re6#
- 2.Re8#
- 1...Sd5!
- 1...Rdd5
- 1.Rb1+?
- Keys
- 1.Rd5!
- threat
- 2.Rxe5#
- 1...f3+
- 2.Qxf3#
- 1...Kxd5
- 2.Rc7#
- 1...Rdxd5
- 2.Rb4#
- 1...Rexd5
- 2.Re7#
- 1...Sxd5
- 2.Sd6#
- 1...Rd3
- 2.Qxd3#
- 1...Ra4
- 2.Qd3#
- 1...Rb4
- 2.Rxb4#
- 2.Qd3#
- 1...Rc4
- 2.Qd3#
- 1...Rf5
- 2.Qf3#
- 1...Re6
- 2.Qf3#
- 1...Re7
- 2.Rxe7#
- 2.Qf3#
- 1...Re8
- 2.Qf3#
- threat
- 1.Rd5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 6
- REMOVED MATES = 5
- Sets
- R(c);N_GUARD::QAB1(B)
- R(c);S_CUTR(f),S_CUTS(b)::R(D)
- R(c);XR(C)::B(F)+R(D),DCHECK
- R(f);::B(F)+R(D),DCHECK
- R(f);S_CUTR(c),S_CUTS(b)::R(D)
- R(f);::B(F)+R(D),DCHECK,XR(f)
- P(e);CHECK::QAB1(B),XP(e)
- Tries
- Try
- R(D);CHECK
- Vars
- R(c);P_SPINR(c),S_CUTR(f),S_CUTS(b)::R(D)
- R(f);P_SPINR(f),S_CUTR(c),S_CUTS(b)::R(C)
- Refutation
- S(b);P_SPINS(b)
- Try
- R(D);CHECK
- Vars
- R(c);P_SPINR(c),S_CUTR(f),S_CUTS(b)::R(D)
- R(f);P_SPINR(f),S_CUTR(c),S_CUTS(b)::R(C)
- Refutation
- S(b);P_SPINS(b)
- Try
- R(D);CHECK
- Vars
- R(c);P_SPINR(c),S_CUTR(f),S_CUTS(b)::R(D)
- R(f);P_SPINR(f),S_CUTR(c),S_CUTS(b)::R(C)
- Refutation
- S(b);P_SPINS(b)
- Try
- R(D);CHECK,P_PINR(c)
- Vars
- R(f);S_CUTS(b)::R(C)
- Refutation
- S(b);P_SPINS(b)
- Try
- R(D);CHECK
- Vars
- R(c);P_SPINR(c),S_CUTR(f),S_CUTS(b)::R(D)
- R(f);P_SPINR(f),S_CUTR(c),S_CUTS(b)::R(C)
- Refutation
- S(b);P_SPINS(b)
- Try
- R(D);CHECK
- Vars
- R(c);P_SPINR(c),S_CUTR(f),S_CUTS(b)::R(D)
- R(f);P_SPINR(f),S_CUTR(c),S_CUTS(b)::R(C)
- Refutation
- S(b);P_SPINS(b)
- Try
- R(D);CHECK
- Vars
- R(c);P_SPINR(c),S_CUTR(f),S_CUTS(b)::R(D)
- Refutation
- S(b);P_SPINS(b)
- Try
- R(D);CHECK,P_PINR(f)
- Refutation
- R(c);N_SPINR(f),P_SPINR(c)
- Try
- R(D);CHECK
- Vars
- R(c);P_SPINR(c),S_CUTR(f),S_CUTS(b)::R(D)
- Refutation
- S(b);P_SPINS(b)
- Try
- Actual
- R(C);
- Threat
- R1(C),XR(f)
- Vars
- P(e);CHECK::QAB1(B),XP(e)
- K(d);OGATEB,S_FLIGHT,XR(C)::B(F)+R(D)
- R(c);OGATEB,XR(C)::R(D)
- R(f);OGATEB,XR(C)::R(D)
- S(b);SBLOCK,XR(C)::S(E)
- R(c);N_GUARD::QAB1(B),XR(c)
- R(c);N_GUARD::QAB1(B)
- R(f);::QAB1(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).