MESON Chess Problem Database
Problem Display
PID: 193679 (2Q5/5p2/3p1P1n/1p1PR1N1/5k1q/1R4N1/1B1KP2n/8 w - - 0 1)
Phelps, Francis Bradley
Pittsburgh Gazette-Times, 1915
#2
10 + 7
| 6490 | yacpdb | 2019 |
SOLUTION
- SOUND
- Sets
- 1...Qxg3
- 2.Rb4#
- 1...Qxg5
- 2.Re4#
- 1...Qh3
- 2.Sxh3#
- 1...Qh5
- 2.Sxh5#
- 1...Sf3+
- 2.Rxf3#
- 1...S2g4
- 2.Rf3#
- 1...S6g4
- 2.Rf5#
- 2.Qf5#
- 1...Sf5
- 2.Qxf5#
- 1...Sg8
- 2.Qf5#
- 1...b4
- 2.Qc4#
- 1...Qxg3
- Tries
- 1.Ke1?
- 1...Sf3+
- 2.Rxf3#
- 1...Qxg5
- 2.Re4#
- 1...dxe5
- 2.Bc1#
- 1...Sf5
- 2.Qxf5#
- 1...Qh3
- 2.Sxh3#
- 1...Qg4
- 2.Qc1#
- 1...Qh5
- 2.Sxh5#
- 1...Sf1
- 2.Rf3#
- 1...S2g4
- 2.Rf3#
- 1...S6g4
- 2.Rf5#
- 2.Qf5#
- 1...Sg8
- 2.Qf5#
- 1...b4
- 2.Qc4#
- 1...Qxg3+!
- 1...Sf3+
- 1.Kc2?
- 1...Qxg3
- 2.Rb4#
- 1...Qxg5
- 2.Re4#
- 1...dxe5
- 2.Bc1#
- 1...Sf3
- 2.Rxf3#
- 1...Sf5
- 2.Qxf5#
- 1...Qh3
- 2.Sxh3#
- 1...Qh5
- 2.Sxh5#
- 1...Sf1
- 2.Rf3#
- 1...S2g4
- 2.Rf3#
- 1...S6g4
- 2.Rf5#
- 2.Qf5#
- 1...Sg8
- 2.Qf5#
- 1...b4
- 2.Qc4#
- 1...Qg4!
- 1...Qxg3
- 1.Sxf7?
- threat
- 2.Re4#
- 1...Sf3+
- 2.Rxf3#
- 1...Qxg3
- 2.Rb4#
- 1...Sxf7
- 2.Qf5#
- 1...dxe5
- 2.Bxe5#
- 1...Sf1+!
- threat
- 1.Rf5+?
- 1...Sxf5
- 2.Qxf5#
- 1...Kg4!
- 1...Sxf5
- 1.Ke1?
- Keys
- 1.Kd1!
- 1...Qxg3
- 2.Rb4#
- 1...Qxg5
- 2.Re4#
- 1...dxe5
- 2.Bc1#
- 1...Sf3
- 2.Rxf3#
- 1...Sf5
- 2.Qxf5#
- 1...Qh3
- 2.Sxh3#
- 1...Qg4
- 2.Qc1#
- 1...Qh5
- 2.Sxh5#
- 1...Sf1
- 2.Rf3#
- 1...S2g4
- 2.Rf3#
- 1...S6g4
- 2.Rf5#
- 2.Qf5#
- 1...Sg8
- 2.Qf5#
- 1...b4
- 2.Qc4#
- 1...Qxg3
- 1.Kd1!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- Q(c);SBLOCK,XS(E)::R(D)
- Q(c);SBLOCK,XS(H)::R1(G)
- Q(c);N_GUARD::S(H),XQ(c)
- Q(c);N_GUARD::S(E),XQ(c)
- S(a);CHECK,N_GUARD::R1(D),XS(a)
- S(a);N_GUARD::R1(D)
- S(f);N_GUARD::QAR1(J),XS(f)
- S(f);N_GUARD::QAR1(J)
- P(d);N_GUARD::QAR(J)
- Tries
- Try
- K(B);P_SPINS(E),S_FLIGHT
- Vars
- S(a);CHECK,N_GUARD::R1(D),XS(a)
- Q(c);N_PINS(E),SBLOCK,XS(H)::R1(G)
- P(e);SBLOCK,XR(G)::B(A)
- S(f);N_GUARD::QAR1(J),XS(f)
- Q(c);N_GUARD,N_PINS(E)::S(H),XQ(c)
- Q(c);N_PINS(E),SBLOCK::QAB(J)
- Q(c);N_PINS(E)::S(E),XQ(c)
- S(a);N_GUARD::R1(D)
- S(f);N_GUARD::QAR1(J)
- P(d);N_GUARD::QAR(J)
- Refutation
- Q(c);CHECK,XS(E)
- Try
- K(B);P-FLIGHT
- Vars
- Q(c);SBLOCK,XS(E)::R(D)
- Q(c);SBLOCK,XS(H)::R1(G)
- P(e);SBLOCK,XR(G)::B(A)
- S(a);N_GUARD::R1(D),XS(a)
- S(f);N_GUARD::QAR1(J),XS(f)
- Q(c);N_GUARD::S(H),XQ(c)
- Q(c);N_GUARD::S(E),XQ(c)
- S(a);N_GUARD::R1(D)
- S(f);N_GUARD::QAR1(J)
- P(d);N_GUARD::QAR(J)
- Refutation
- Q(c);
- Try
- S(H);XP(g)
- Threat
- R1(G)
- Vars
- S(a);CHECK,N_GUARD::R1(D),XS(a)
- Q(c);SBLOCK,XS(E)::R(D)
- S(f);N_GUARD,XS(H)::QAR1(J)
- P(e);OGATE,XR(G)::B(A),XP(e)
- Refutation
- S(a);CHECK
- Try
- R(G);CHECK
- Vars
- S(f);OGATE,XR(G)::QAR1(J),XS(f)
- Refutation
- K(b);P-FLIGHT
- Try
- Actual
- K(B);P-FLIGHT
- Vars
- Q(c);SBLOCK,XS(E)::R(D)
- Q(c);SBLOCK,XS(H)::R1(G)
- P(e);SBLOCK,XR(G)::B(A)
- S(a);N_GUARD::R1(D),XS(a)
- S(f);N_GUARD::QAR1(J),XS(f)
- Q(c);N_GUARD::S(H),XQ(c)
- Q(c);P_PINP(C),SBLOCK::QAB(J)
- Q(c);N_GUARD,P_PINP(C)::S(E),XQ(c)
- S(a);N_GUARD::R1(D)
- S(f);N_GUARD::QAR1(J)
- P(d);N_GUARD::QAR(J)
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).