MESON Chess Problem Database
Problem Display
PID: 222498 (2N2B2/p2Pn3/P4K1R/1P1k1p2/1p1p4/1Pn4p/3N3P/1BR3Q1 w - - 0 1)
Whitner, HK
Philadelphia Times, 1884
#2
13 + 8
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Sxb1
- 2.Qh1#
- 2.d8Q#
- 2.d8R#
- 1...Sd1
- 2.Qh1#
- 2.d8Q#
- 2.d8R#
- 1...Sa2
- 2.Qh1#
- 2.d8Q#
- 2.d8R#
- 1...Se2
- 2.Qh1#
- 2.d8Q#
- 2.d8R#
- 1...Sa4
- 2.Qh1#
- 2.d8Q#
- 2.d8R#
- 1...Sxb5
- 2.Qh1#
- 1...Sc6
- 2.Qg8#
- 1...Sg6
- 2.d8Q#
- 2.d8R#
- 1...Sxc8
- 2.Qg8#
- 1...Sg8+
- 2.Qxg8#
- 1...d3
- 2.d8Q#
- 2.d8R#
- 1...Sxb1
- Tries
- 1.Bxf5?
- 1...Se4+
- 2.Bxe4#
- 1...Sg8+
- 2.Qxg8#
- 1...Sxb5
- 2.Be4#
- 2.Be6#
- 2.Qh1#
- 1...Sxf5
- 2.Qg8#
- 1...Sxc8
- 2.Be6#
- 2.Qg8#
- 1...Sb1
- 2.Be4#
- 2.Be6#
- 2.Qh1#
- 2.d8Q#
- 2.d8R#
- 1...Sd1
- 2.Be4#
- 2.Be6#
- 2.Qh1#
- 2.d8Q#
- 2.d8R#
- 1...Sa2
- 2.Be4#
- 2.Be6#
- 2.Qh1#
- 2.d8Q#
- 2.d8R#
- 1...Se2
- 2.Be4#
- 2.Be6#
- 2.Qh1#
- 2.d8Q#
- 2.d8R#
- 1...Sa4
- 2.Be4#
- 2.Be6#
- 2.Qh1#
- 2.d8Q#
- 2.d8R#
- 1...Sc6
- 2.Be6#
- 2.Qg8#
- 1...Sg6
- 2.Be6#
- 2.d8Q#
- 2.d8R#
- 1...d3
- 2.Be6#
- 2.d8Q#
- 2.d8R#
- 1...Kc5!
- 1...Se4+
- 1.Bxe7?
- threat
- 2.Qg8#
- 2.d8Q#
- 2.d8R#
- 1...Sxb1
- 2.Rc5#
- 2.Qh1#
- 2.Qg8#
- 2.d8Q#
- 2.d8R#
- 1...Sxb5
- 2.Rc5#
- 2.Qh1#
- 2.Qg8#
- 1...Sd1
- 2.Rc5#
- 2.Qh1#
- 2.Qg8#
- 2.d8Q#
- 2.d8R#
- 1...Sa2
- 2.Rc5#
- 2.Qh1#
- 2.Qg8#
- 2.d8Q#
- 2.d8R#
- 1...Se2
- 2.Rc5#
- 2.Qh1#
- 2.Qg8#
- 2.d8Q#
- 2.d8R#
- 1...Sa4
- 2.Qh1#
- 2.Qg8#
- 2.d8Q#
- 2.d8R#
- 1...d3
- 2.Qc5#
- 2.d8Q#
- 2.d8R#
- 1...f4
- 2.Rh5#
- 2.Qg5#
- 2.Qg8#
- 2.d8Q#
- 2.d8R#
- 1...Se4+!
- threat
- 1.Rxc3?
- threat
- 2.Qh1#
- 2.d8Q#
- 2.d8R#
- 1...Sg8+
- 2.Qxg8#
- 1...Sxc8
- 2.Rc5#
- 2.Qh1#
- 2.Qg8#
- 1...dxc3
- 2.d8Q#
- 2.d8R#
- 1...Sc6
- 2.Rc5#
- 2.Qh1#
- 2.Qg8#
- 1...Sg6
- 2.Rc5#
- 2.Qh1#
- 2.d8Q#
- 2.d8R#
- 1...d3
- 2.Rxd3#
- 2.Rc5#
- 2.Qc5#
- 2.d8Q#
- 2.d8R#
- 1...f4
- 2.Be4#
- 2.d8Q#
- 2.d8R#
- 1...bxc3!
- threat
- 1.Qh1+?
- 1...Kc5
- 2.Qc6#
- 1...Se4+!
- 1...Kc5
- 1.Qg5?
- 1...Se4+
- 2.Bxe4#
- 1...Sg8+
- 2.Qxg8#
- 1...Kc5
- 2.Qxf5#
- 1...Sxb1
- 2.d8Q#
- 2.d8R#
- 1...Sxb5
- 2.Be4#
- 1...Sxc8
- 2.Qxf5#
- 2.Qg8#
- 1...Sd1
- 2.Be4#
- 2.d8Q#
- 2.d8R#
- 1...Sa2
- 2.Be4#
- 2.d8Q#
- 2.d8R#
- 1...Se2
- 2.Be4#
- 2.d8Q#
- 2.d8R#
- 1...Sa4
- 2.Be4#
- 2.d8Q#
- 2.d8R#
- 1...Sc6
- 2.Qg8#
- 1...Sg6
- 2.d8Q#
- 2.d8R#
- 1...d3!
- 1...Se4+
- 1.Qg8+?
- 1...Kc5
- 2.Qc4#
- 1...Sxg8+!
- 1...Kc5
- 1.Bxf5?
- Keys
- 1.Rh5!
- 1...Se4+
- 2.Bxe4#
- 1...Sg8+
- 2.Qxg8#
- 1...Kc5
- 2.Rxf5#
- 1...Sxb1
- 2.Qh1#
- 2.d8Q#
- 2.d8R#
- 1...Sxb5
- 2.Be4#
- 2.Qh1#
- 1...Sxc8
- 2.Rxf5#
- 2.Qg8#
- 1...Sd1
- 2.Be4#
- 2.Qh1#
- 2.d8Q#
- 2.d8R#
- 1...Sa2
- 2.Be4#
- 2.Qh1#
- 2.d8Q#
- 2.d8R#
- 1...Se2
- 2.Be4#
- 2.Qh1#
- 2.d8Q#
- 2.d8R#
- 1...Sa4
- 2.Be4#
- 2.Qh1#
- 2.d8Q#
- 2.d8R#
- 1...Sc6
- 2.Qg8#
- 1...Sg6
- 2.d8Q#
- 2.d8R#
- 1...d3
- 2.d8Q#
- 2.d8R#
- 1...Se4+
- 1.Rh5!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 2
- Sets
- S(a);N_GUARD,XP(G)::QAB(C)
- S(h);N_GUARD::QAB(C)
- S(h);::P=Q
- S(h);N_GUARD,XS(L)::QAB(C)
- S(h);CHECK,N_GUARD::QAB(C),XS(h)
- P(d);::P=Q
- Tries
- Try
- B(A);XP(f)
- Vars
- S(a);CHECK,N_GUARD::B(A),XS(a)
- S(h);CHECK,N_GUARD::QAB(C),XS(h)
- S(h);N_GUARD,XB(A)::QAB(C)
- Refutation
- K(e);P-FLIGHT,P_SPINP(d),P_SPINS(a)
- Try
- B(M);XS(h)
- Threat
- DUALS(3)
- Refutation
- S(a);CHECK
- Try
- R(B);XS(a)
- Threat
- DUALS(3)
- Vars
- S(h);CHECK,N_GUARD::QAB(C),XS(h)
- P(d);XR(B)::P=Q
- Refutation
- P(c);XR(B)
- Try
- Q(C);CHECK
- Vars
- K(e);OGATE,P-FLIGHT,P_SPINS(a)::QAR1(C)
- Refutation
- S(a);CHECK,P_SPINS(a)
- Try
- Q(C);P_PINP(f)
- Vars
- S(a);CHECK,N_GUARD::B(A),XS(a)
- S(h);CHECK,N_GUARD::QAB(C),XS(h)
- K(e);P-FLIGHT,P_SPINS(a)::QAR(C),XP(f)
- S(a);XB(A)::P=Q
- S(a);N_GUARD,XP(G)::B(A)
- S(h);N_GUARD::QAB(C)
- S(h);::P=Q
- Refutation
- P(d);
- Try
- Q(C);CHECK
- Vars
- K(e);OGATE,P-FLIGHT,P_SPINS(a)::QAR1(C)
- Refutation
- S(h);CHECK,XQ(C)
- Try
- Actual
- R(J);P_PINP(f)
- Vars
- S(a);CHECK,N_GUARD::B(A),XS(a)
- S(h);CHECK,N_GUARD::QAB(C),XS(h)
- K(e);N_SPINP(f),P-FLIGHT,P_SPINP(d),P_SPINS(a)::R(J),XP(f)
- S(h);N_GUARD::QAB(C)
- S(h);::P=Q
- P(d);::P=Q
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).