MESON Chess Problem Database
Problem Display
PID: 224524 (2N5/B4p2/1r3N1p/4kppK/Q1B2RP1/P7/7P/8 w - - 0 1)
Silvera, Arthur P
Nashville Daily American, 1887
#2
10 + 6
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Rb1
- 2.Rxf5#
- 1...Rb2
- 2.Rxf5#
- 1...Rb3
- 2.Rxf5#
- 1...Rb4
- 2.Rxf5#
- 1...Rb5
- 2.Rxf5#
- 1...Ra6
- 2.Rxf5#
- 1...Rc6
- 2.Rxf5#
- 1...Rd6
- 2.Rxf5#
- 1...Re6
- 2.Rxf5#
- 1...Rb7
- 2.Rxf5#
- 1...Rb8
- 2.Rxf5#
- 1...Rb1
- Tries
- 1.Ba2?
- threat
- 2.Sd7#
- 2.Rxf5#
- 2.Qd4#
- 1...Kxf6
- 2.Qd4#
- 1...Rxf6
- 2.Qd4#
- 1...fxg4
- 2.Sxg4#
- 2.Sd7#
- 2.Qd4#
- 2.Qe4#
- 1...gxf4
- 2.Sd7#
- 1...Rb4
- 2.Rxf5#
- 1...Rd6
- 2.Rxf5#
- 1...Rb7
- 2.Rxf5#
- 2.Qd4#
- 1...Rb3!
- threat
- 1.Bb3?
- threat
- 2.Sd7#
- 2.Rxf5#
- 2.Qd4#
- 1...Kxf6
- 2.Qd4#
- 1...Rxf6
- 2.Qd4#
- 1...fxg4
- 2.Sxg4#
- 2.Sd7#
- 2.Qd4#
- 2.Qe4#
- 1...gxf4
- 2.Sd7#
- 1...Rb4
- 2.Rxf5#
- 1...Rd6
- 2.Rxf5#
- 1...Rb7
- 2.Rxf5#
- 2.Qd4#
- 1...Rxb3!
- threat
- 1.Bd5?
- threat
- 2.Rxf5#
- 2.Qd4#
- 1...Kxf6
- 2.Qd4#
- 1...Rxf6
- 2.Qd4#
- 1...fxg4
- 2.Qd4#
- 2.Qe4#
- 1...Rb4
- 2.Rxf5#
- 1...gxf4!
- threat
- 1.Bxf7?
- threat
- 2.Sd7#
- 2.Rxf5#
- 2.Qd4#
- 1...Rxf6
- 2.Qd4#
- 1...fxg4
- 2.Sxg4#
- 2.Sd7#
- 2.Qd4#
- 2.Qe4#
- 1...gxf4
- 2.Sd7#
- 1...Rb4
- 2.Rxf5#
- 1...Rd6
- 2.Rxf5#
- 1...Re6
- 2.Rxf5#
- 2.Qd4#
- 1...Rb7
- 2.Rxf5#
- 2.Qd4#
- 1...Kxf6!
- threat
- 1.Qe8+?
- 1...Kxf6
- 2.Qh8#
- 1...Re6
- 2.Rxf5#
- 1...Kxf4!
- 1...Kxf6
- 1.Qa5+?
- 1...Kxf6
- 2.Qc3#
- 1...Rb5
- 2.Rxf5#
- 1...Kxf4!
- 1...Kxf6
- 1.Ba2?
- Keys
- 1.Qb3!
- 1...Kxf4
- 2.Qg3#
- 1...Kxf6
- 2.Qc3#
- 1...Rxb3
- 2.Rxf5#
- 1...Rxf6
- 2.Qe3#
- 1...fxg4
- 2.Qe3#
- 1...gxf4
- 2.Qc3#
- 1...Rb4
- 2.Rxf5#
- 1...Rb5
- 2.Rxf5#
- 1...Ra6
- 2.Rxf5#
- 1...Rc6
- 2.Rxf5#
- 1...Rd6
- 2.Rxf5#
- 1...Re6
- 2.Rxf5#
- 1...Rb7
- 2.Rxf5#
- 1...Rb8
- 2.Rxf5#
- 1...Kxf4
- 1.Qb3!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 2
- Sets
- R(d);::R1(E),XP(b)
- Tries
- Try
- B(D);
- Threat
- DUALS(3)
- Vars
- K(a);P_SPINP(b),S_FLIGHT,XS(H)::QAB(C)
- R(d);SBLOCK,XS(H)::QAB1(C)
- P(c);XR(E)::S(H)
- R(d);::R1(E),XP(b)
- Refutation
- R(d);
- Try
- B(D);
- Threat
- DUALS(3)
- Vars
- K(a);P_SPINP(b),S_FLIGHT,XS(H)::QAB(C)
- R(d);SBLOCK,XS(H)::QAB1(C)
- P(c);XR(E)::S(H)
- R(d);::R1(E),XP(b)
- Refutation
- R(d);XB(D)
- Try
- B(D);
- Threat
- DUALS(2)
- Vars
- K(a);P_SPINP(b),S_FLIGHT,XS(H)::QAB(C)
- R(d);SBLOCK,XS(H)::QAB1(C)
- R(d);::R1(E),XP(b)
- Refutation
- P(c);XR(E)
- Try
- B(D);XP(f)
- Threat
- DUALS(3)
- Vars
- R(d);SBLOCK,XS(H)::QAB1(C)
- P(c);XR(E)::S(H)
- R(d);::R1(E),XP(b)
- Refutation
- K(a);P_SPINP(b),S_FLIGHT,XS(H)
- Try
- Q(C);CHECK
- Vars
- K(a);OGATEB,P_SPINP(b),S_FLIGHT,XS(H)::QAB(C)
- R(d);P_SPINR(d)::R1(E),XP(b)
- Refutation
- K(a);S_FLIGHT,XR(E)
- Try
- Q(C);CHECK
- Vars
- K(a);P_SPINP(b),S_FLIGHT,XS(H)::QAB(C)
- R(d);P_SPINR(d)::R1(E),XP(b)
- Refutation
- K(a);S_FLIGHT,XR(E)
- Try
- Actual
- Q(C);
- Vars
- K(a);OGATEB,S_FLIGHT,XR(E)::QAB1(C)
- K(a);P_SPINP(b),S_FLIGHT,XS(H)::QAB(C)
- R(d);XQ(C)::R1(E),XP(b)
- R(d);SBLOCK,XS(H)::QAR2(C)
- P(b);XP(F)::QAR2(C)
- P(c);SBLOCK,XR(E)::QAB(C)
- R(d);::R1(E),XP(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).