MESON Chess Problem Database
Problem Display
PID: 193592 (3R4/1Nr5/1p2Q3/1P1P4/P1k4p/2Bp1b1K/3P2p1/3B2N1 w - - 0 1)
Wainwright, Joseph CJ
Pittsburgh Gazette-Times, 1915
#2
11 + 7
| 6490 | yacpdb | 2019 |
SOLUTION
- SOUND
- Sets
- 1...Rc5
- 2.Sd6#
- 1...Rc6
- 2.Qxc6#
- 1...Rxb7
- 2.Qc6#
- 1...Rd7
- 2.Qc6#
- 1...Re7
- 2.Qc6#
- 1...Rf7
- 2.Qc6#
- 1...Rg7
- 2.Qc6#
- 1...Rh7
- 2.Qc6#
- 1...Rc8
- 2.Rxc8#
- 2.Qxc8#
- 1...Bxd1
- 2.d6#
- 1...Be2
- 2.Qe4#
- 2.d6#
- 1...Be4
- 2.Qxe4#
- 1...Bg4+
- 2.Qxg4#
- 1...Bxd5
- 2.Qxd5#
- 1...Bh5
- 2.Qe4#
- 2.d6#
- 1...Rc5
- Tries
- 1.Kh2?
- 1...Rxb7
- 2.Qc6#
- 1...Bxd1
- 2.d6#
- 1...Bxd5
- 2.Qxd5#
- 1...Rc5
- 2.Sd6#
- 1...Rc6
- 2.Qxc6#
- 1...Rd7
- 2.Qc6#
- 1...Re7
- 2.Qc6#
- 1...Rf7
- 2.Qc6#
- 1...Rg7
- 2.Qc6#
- 1...Rh7
- 2.Qc6#
- 1...Rc8
- 2.Rxc8#
- 2.Qxc8#
- 1...Be2
- 2.Qe4#
- 2.d6#
- 1...Be4
- 2.Qxe4#
- 1...Bg4
- 2.Qxg4#
- 2.Qe4#
- 1...Bh5
- 2.Qe4#
- 2.d6#
- 1...h3!
- 1...Rxb7
- 1.Kxh4?
- 1...Rxb7
- 2.Qc6#
- 1...Bxd1
- 2.d6#
- 1...Bxd5
- 2.Qxd5#
- 1...Rc5
- 2.Sd6#
- 1...Rc6
- 2.Qxc6#
- 1...Rd7
- 2.Qc6#
- 1...Re7
- 2.Qc6#
- 1...Rf7
- 2.Qc6#
- 1...Rg7
- 2.Qc6#
- 1...Rc8
- 2.Rxc8#
- 2.Qxc8#
- 1...Be2
- 2.Qe4#
- 2.d6#
- 1...Be4
- 2.Qxe4#
- 1...Bg4
- 2.Qxg4#
- 2.Qe4#
- 1...Bh5
- 2.Qe4#
- 2.d6#
- 1...Rh7+!
- 1...Rxb7
- 1.Sxf3?
- threat
- 2.Se5#
- 2.Qg4#
- 2.Qe4#
- 2.d6#
- 1...Rxb7
- 2.Qc6#
- 1...g1Q
- 2.Se5#
- 2.d6#
- 1...g1B
- 2.Se5#
- 2.d6#
- 1...g1R
- 2.Se5#
- 2.Qe4#
- 2.d6#
- 1...Rc5
- 2.Se5#
- 2.Sd6#
- 2.Qg4#
- 2.Qe4#
- 1...Rd7
- 2.Se5#
- 2.Qe4#
- 2.Qc6#
- 2.d6#
- 1...Re7
- 2.Se5#
- 2.Qc6#
- 1...Rf7
- 2.Se5#
- 2.Qe4#
- 2.Qc6#
- 2.d6#
- 1...Rg7
- 2.Se5#
- 2.Qe4#
- 2.Qc6#
- 2.d6#
- 1...g1S+!
- threat
- 1.Sa5+?
- 1...Kc5
- 2.Qe3#
- 2.Qd6#
- 1...bxa5!
- 1...Kc5
- 1.Bc2?
- 1...Bg4+
- 2.Qxg4#
- 1...Rxb7
- 2.Qc6#
- 1...Bxd5
- 2.Qxd5#
- 1...Rc5
- 2.Sd6#
- 1...Rc6
- 2.Qxc6#
- 1...Rd7
- 2.Qc6#
- 1...Re7
- 2.Qc6#
- 1...Rf7
- 2.Qc6#
- 1...Rg7
- 2.Qc6#
- 1...Rh7
- 2.Qc6#
- 1...Rc8
- 2.Rxc8#
- 2.Qxc8#
- 1...Bd1
- 2.Qe4#
- 2.d6#
- 1...Be2
- 2.Qe4#
- 2.d6#
- 1...Be4
- 2.Qxe4#
- 1...Bh5
- 2.Qe4#
- 2.d6#
- 1...dxc2!
- 1...Bg4+
- 1.Rd7?
- threat
- 2.Rxc7#
- 1...Bg4+
- 2.Qxg4#
- 1...Rxb7
- 2.Qc6#
- 1...Rxd7
- 2.Qc6#
- 1...Bxd1
- 2.d6#
- 1...Rc5
- 2.Sd6#
- 1...Rc6
- 2.Qxc6#
- 1...Rc8!
- threat
- 1.Rf8?
- 1...Rxb7
- 2.Qc6#
- 1...Bxd1
- 2.d6#
- 1...Bxd5
- 2.Rf4#
- 1...Rc5
- 2.Sd6#
- 1...Rc6
- 2.Qxc6#
- 1...Rd7
- 2.Qc6#
- 1...Re7
- 2.Qc6#
- 1...Rf7
- 2.Qc6#
- 1...Rg7
- 2.Qc6#
- 1...Rh7
- 2.Qc6#
- 1...Rc8
- 2.Rxc8#
- 1...Be2
- 2.Rf4#
- 2.Qe4#
- 2.d6#
- 1...Be4
- 2.Qxe4#
- 1...Bh5
- 2.Rf4#
- 2.Qe4#
- 2.d6#
- 1...Bg4+!
- 1...Rxb7
- 1.Rh8?
- 1...Rxb7
- 2.Qc6#
- 1...Bxd1
- 2.d6#
- 1...Bxd5
- 2.Rxh4#
- 1...Rc5
- 2.Sd6#
- 1...Rc6
- 2.Qxc6#
- 1...Rd7
- 2.Qc6#
- 1...Re7
- 2.Qc6#
- 1...Rf7
- 2.Qc6#
- 1...Rg7
- 2.Qc6#
- 1...Rh7
- 2.Qc6#
- 1...Rc8
- 2.Rxc8#
- 1...Be2
- 2.Qe4#
- 2.d6#
- 1...Be4
- 2.Qxe4#
- 1...Bh5
- 2.Qe4#
- 2.d6#
- 1...Bg4+!
- 1...Rxb7
- 1.Qg4+?
- 1...Be4
- 2.Qxe4#
- 1...Bxg4+!
- 1...Be4
- 1.Qxb6?
- threat
- 2.Sa5#
- 2.Qd4#
- 2.Qxc7#
- 1...Rxb7
- 2.Qd4#
- 2.Qc6#
- 1...Bxd1
- 2.Sa5#
- 1...Bxd5
- 2.Sa5#
- 2.Sd6#
- 2.Qd4#
- 1...Rd7
- 2.Qd4#
- 2.Qc5#
- 2.Qc6#
- 1...Rc5
- 2.Sa5#
- 2.Qxc5#
- 1...Rc6
- 2.Sa5#
- 2.Qd4#
- 2.Qxc6#
- 1...Re7
- 2.Sa5#
- 2.Qd4#
- 2.Qc5#
- 2.Qc6#
- 1...Rf7
- 2.Sa5#
- 2.Qd4#
- 2.Qc5#
- 2.Qc6#
- 1...Rg7
- 2.Sa5#
- 2.Qd4#
- 2.Qc5#
- 2.Qc6#
- 1...Rh7
- 2.Sa5#
- 2.Qd4#
- 2.Qc5#
- 2.Qc6#
- 1...Rc8
- 2.Sa5#
- 2.Qd4#
- 1...Bg4+!
- threat
- 1.Kh2?
- Keys
- 1.Rg8!
- 1...Bg4+
- 2.Rxg4#
- 1...Rxb7
- 2.Qc6#
- 1...Bxd1
- 2.d6#
- 1...Bxd5
- 2.Rg4#
- 1...Rc5
- 2.Sd6#
- 1...Rc6
- 2.Qxc6#
- 1...Rd7
- 2.Qc6#
- 1...Re7
- 2.Qc6#
- 1...Rf7
- 2.Qc6#
- 1...Rg7
- 2.Qc6#
- 1...Rh7
- 2.Qc6#
- 1...Rc8
- 2.Rxc8#
- 1...Be2
- 2.Qe4#
- 2.d6#
- 1...Be4
- 2.Qxe4#
- 1...Bh5
- 2.Qe4#
- 2.d6#
- 1...Bg4+
- 1.Rg8!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 2
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- R(g);SBLOCK::S(J)
- R(g);N_GUARD::QAR2(I),XR(g)
- R(g);N_GUARD,XS(J)::QAR2(I)
- R(g);N_GUARD::QAR2(I)
- B(c);N_GUARD,XB(A)::QAB(I)+P(H)
- B(c);N_GUARD::QAR2(I),XB(c)
- B(c);CHECK,N_GUARD::QAR(I),XB(c)
- B(c);OGATE,P_SPINB(c),XP(H)::QAB1(I),XB(c)
- Tries
- Try
- K(E);P-FLIGHT
- Vars
- R(g);N_GUARD,XS(J)::QAR2(I)
- B(c);N_GUARD,XB(A)::QAB(I)+P(H)
- B(c);OGATE,P_SPINB(c),XP(H)::QAB1(I),XB(c)
- R(g);SBLOCK::S(J)
- R(g);N_GUARD::QAR2(I),XR(g)
- R(g);N_GUARD::QAR2(I)
- B(c);N_GUARD::QAR2(I),XB(c)
- Refutation
- P(e);
- Try
- K(E);P-FLIGHT,XP(e)
- Vars
- R(g);N_GUARD,XS(J)::QAR2(I)
- B(c);N_GUARD,XB(A)::QAB(I)+P(H)
- B(c);OGATE,P_SPINB(c),XP(H)::QAB1(I),XB(c)
- R(g);SBLOCK::S(J)
- R(g);N_GUARD::QAR2(I),XR(g)
- R(g);N_GUARD::QAR2(I)
- B(c);N_GUARD::QAR2(I),XB(c)
- Refutation
- R(g);CHECK
- Try
- S(B);XB(c)
- Threat
- DUALS(4)
- Vars
- R(g);N_GUARD,XS(J)::QAR2(I)
- Refutation
- P(a);CHECK
- Try
- S(J);CHECK
- Refutation
- P(f);XS(J)
- Try
- B(A);
- Vars
- B(c);CHECK,N_GUARD::QAR(I),XB(c)
- R(g);N_GUARD,XS(J)::QAR2(I)
- B(c);OGATE,P_SPINB(c),XP(H)::QAB1(I),XB(c)
- R(g);SBLOCK::S(J)
- R(g);N_GUARD::QAR2(I),XR(g)
- R(g);N_GUARD::QAR2(I)
- B(c);N_GUARD::QAR2(I),XB(c)
- Refutation
- P(b);XB(A)
- Try
- R(K);
- Threat
- R(K),XR(g)
- Vars
- B(c);CHECK,N_GUARD::QAR(I),XB(c)
- R(g);N_GUARD,XS(J)::QAR2(I)
- R(g);N_GUARD,XR(K)::QAR2(I)
- B(c);N_GUARD,XB(A)::QAB(I)+P(H)
- R(g);SBLOCK::S(J)
- R(g);N_GUARD::QAR2(I),XR(g)
- Refutation
- R(g);
- Try
- R(K);
- Vars
- R(g);N_GUARD,XS(J)::QAR2(I)
- B(c);N_GUARD,XB(A)::QAB(I)+P(H)
- B(c);N_GUARD,P_SPINB(c),XP(H)::R(K)
- R(g);SBLOCK::S(J)
- R(g);N_GUARD::QAR2(I),XR(g)
- R(g);N_GUARD::QAR2(I)
- R(g);OGATEB::R(K),XR(g)
- B(c);N_GUARD::QAR2(I),XB(c)
- Refutation
- B(c);CHECK
- Try
- R(K);
- Vars
- R(g);N_GUARD,XS(J)::QAR2(I)
- B(c);N_GUARD,XB(A)::QAB(I)+P(H)
- B(c);N_GUARD,P_SPINB(c),XP(H)::R(K),XP(e)
- R(g);SBLOCK::S(J)
- R(g);N_GUARD::QAR2(I),XR(g)
- R(g);N_GUARD::QAR2(I)
- R(g);OGATEB::R(K),XR(g)
- B(c);N_GUARD::QAR2(I),XB(c)
- Refutation
- B(c);CHECK
- Try
- Q(I);CHECK
- Vars
- B(c);N_GUARD,P_SPINB(c)::QAR2(I),XB(c)
- Refutation
- B(c);CHECK,XQ(I)
- Try
- Q(I);XP(f)
- Threat
- DUALS(3)
- Vars
- B(c);XB(A)::S(J)
- Refutation
- B(c);CHECK
- Try
- Actual
- R(K);
- Vars
- B(c);CHECK,N_GUARD::R(K),XB(c)
- R(g);N_GUARD,XS(J)::QAR2(I)
- B(c);N_GUARD,XB(A)::QAB(I)+P(H)
- B(c);N_GUARD,P_SPINB(c),XP(H)::R(K)
- R(g);SBLOCK::S(J)
- R(g);N_GUARD::QAR2(I),XR(g)
- R(g);N_GUARD::QAR2(I)
- R(g);OGATEB::R(K),XR(g)
- B(c);N_GUARD::QAR2(I),XB(c)
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).