MESON Chess Problem Database
Problem Display
PID: 224412 (1K6/7Q/4PR2/2PPrnP1/4kNp1/N1P3R1/4P2b/2B5 w - - 0 1)
Robertson, George T
Milwaukee Wanderer, 1887
#2
13 + 5
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Rxe6
- 2.Rxe6#
- 2.Qxf5#
- 1...Bg1
- 2.Qh1#
- 1...Bxg3
- 2.Qh1#
- 1...Rxe6
- Tries
- 1.Ka7?
- 1...Rxe6
- 2.Rxe6#
- 2.Qxf5#
- 1...Bxg3
- 2.Qh1#
- 1...Bg1
- 2.Qh1#
- 1...Rxd5!
- 1...Rxe6
- 1.Kb7?
- 1...Rxe6
- 2.Rxe6#
- 2.Qxf5#
- 1...Bxg3
- 2.Qh1#
- 1...Bg1
- 2.Qh1#
- 1...Rxd5!
- 1...Rxe6
- 1.Kc7?
- 1...Rxe6
- 2.Rxe6#
- 2.Qxf5#
- 1...Bxg3
- 2.Qh1#
- 1...Bg1
- 2.Qh1#
- 1...Rxd5!
- 1...Rxe6
- 1.Ka8?
- 1...Rxe6
- 2.Rxe6#
- 2.Qxf5#
- 1...Bxg3
- 2.Qh1#
- 1...Bg1
- 2.Qh1#
- 1...Rxd5!
- 1...Rxe6
- 1.Kc8?
- 1...Rxe6
- 2.Rxe6#
- 2.Qxf5#
- 1...Bxg3
- 2.Qh1#
- 1...Bg1
- 2.Qh1#
- 1...Rxd5!
- 1...Rxe6
- 1.Sb1?
- 1...Rxe6
- 2.Rxe6#
- 2.Qxf5#
- 1...Bxg3
- 2.Qh1#
- 1...Bg1
- 2.Qh1#
- 1...Rxd5!
- 1...Rxe6
- 1.Sc2?
- 1...Rxe6
- 2.Rxe6#
- 2.Qxf5#
- 1...Bxg3
- 2.Qh1#
- 1...Bg1
- 2.Qh1#
- 1...Rxd5!
- 1...Rxe6
- 1.Sc4?
- threat
- 2.Sd6#
- 1...Rxe6
- 2.Rxe6#
- 2.Qxf5#
- 1...Rxd5!
- threat
- 1.Sb5?
- threat
- 2.Sd6#
- 1...Rxe6
- 2.Rxe6#
- 2.Qxf5#
- 1...Rxd5!
- threat
- 1.Sd3?
- 1...Kxd5
- 2.Qb7#
- 1...Rxe6
- 2.Qxf5#
- 1...Bxg3
- 2.Qh1#
- 1...Bg1
- 2.Qh1#
- 1...Rxd5!
- 1...Kxd5
- 1.Bd2?
- 1...Rxe6
- 2.Rxe6#
- 2.Qxf5#
- 1...Bxg3
- 2.Qh1#
- 1...Bg1
- 2.Qh1#
- 1...Rxd5!
- 1...Rxe6
- 1.Rd3?
- threat
- 2.Rd4#
- 1...Rxe6
- 2.Rxe6#
- 2.Qxf5#
- 1...Bg1
- 2.Qh1#
- 1...Rxd5!
- threat
- 1.Rxg4?
- 1...Rxe6
- 2.Rxe6#
- 2.Qxf5#
- 1...Bxf4
- 2.Qh1#
- 1...Bg1
- 2.Qh1#
- 1...Bg3
- 2.Qh1#
- 1...Rxd5!
- 1...Rxe6
- 1.Rf7?
- 1...Rxe6
- 2.Qxf5#
- 1...Bxg3
- 2.Qh1#
- 1...Bg1
- 2.Qh1#
- 1...Rxd5!
- 1...Rxe6
- 1.Rf8?
- 1...Rxe6
- 2.Qxf5#
- 1...Bxg3
- 2.Qh1#
- 1...Bg1
- 2.Qh1#
- 1...Rxd5!
- 1...Rxe6
- 1.Qxh2?
- threat
- 2.Qh1#
- 2.Qg2#
- 1...Rxe6
- 2.Rxe6#
- 1...Sxg3
- 2.Qg2#
- 1...Se3
- 2.Rxe3#
- 1...Sd4
- 2.Re3#
- 1...Sh4
- 2.Re3#
- 1...Rxd5!
- threat
- 1.e3?
- 1...Rxe6
- 2.Rxe6#
- 2.Qxf5#
- 1...Bxg3
- 2.Qh1#
- 1...Bg1
- 2.Qh1#
- 1...Rxd5!
- 1...Rxe6
- 1.c6?
- 1...Rxe6
- 2.Rxe6#
- 2.Qxf5#
- 1...Bxg3
- 2.Qh1#
- 1...Bg1
- 2.Qh1#
- 1...Rxd5!
- 1...Rxe6
- 1.e7?
- 1...Rxe7
- 2.Qxf5#
- 1...Bxg3
- 2.Qh1#
- 1...Re6
- 2.Rxe6#
- 2.Qxf5#
- 1...Bg1
- 2.Qh1#
- 1...Rxd5!
- 1...Rxe7
- 1.Ka7?
- Keys
- 1.Qb7!
- threat
- 2.Qb1#
- 1...Rxd5
- 2.Qxd5#
- 1...Rxe6
- 2.Rxe6#
- 1...Se3
- 2.Rxe3#
- 1...Sd4
- 2.Re3#
- threat
- 1.Qb7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 2
- Sets
- B(a);OGATE::QAB(L)
- B(a);OGATE,XR(E)::QAB(L)
- Tries
- Try
- K(M);S_FLIGHT
- Vars
- B(a);OGATE,XR(E)::QAB(L)
- B(a);OGATE,P_PINP(G)::QAB(L)
- Refutation
- R(d);XP(H)
- Try
- K(M);P-FLIGHT
- Vars
- B(a);OGATE,XR(E)::QAB(L)
- B(a);OGATE::QAB(L)
- Refutation
- R(d);XP(H)
- Try
- K(M);S_FLIGHT
- Vars
- B(a);OGATE,XR(E)::QAB(L)
- B(a);OGATE::QAB(L)
- Refutation
- R(d);XP(H)
- Try
- K(M);P-FLIGHT
- Vars
- B(a);OGATE,XR(E)::QAB(L)
- B(a);OGATE::QAB(L)
- Refutation
- R(d);XP(H)
- Try
- K(M);P-FLIGHT
- Vars
- B(a);OGATE,XR(E)::QAB(L)
- B(a);OGATE::QAB(L)
- Refutation
- R(d);XP(H)
- Try
- S(C);
- Vars
- B(a);OGATE,XR(E)::QAB(L)
- B(a);OGATE::QAB(L)
- Refutation
- R(d);XP(H)
- Try
- S(C);
- Vars
- B(a);OGATE,XR(E)::QAB(L)
- B(a);OGATE::QAB(L)
- Refutation
- R(d);XP(H)
- Try
- S(C);
- Threat
- S(C)
- Refutation
- R(d);XP(H)
- Try
- S(C);
- Threat
- S(C)
- Refutation
- R(d);XP(H)
- Try
- S(F);
- Vars
- K(b);N_SPINS(e),OGATEB,S_FLIGHT,XP(H)::QAB(L)
- R(d);N_GUARD,P_PINR(E),XP(J)::QAB1(L),XS(e)
- B(a);OGATE,XR(E)::QAB(L)
- B(a);OGATE::QAB(L)
- Refutation
- R(d);P_PINR(E),XP(H)
- Try
- B(A);
- Vars
- B(a);OGATE,XR(E)::QAB(L)
- B(a);OGATE::QAB(L)
- Refutation
- R(d);XP(H)
- Try
- R(E);
- Threat
- R1(E)
- Vars
- B(a);OGATE::QAB(L)
- Refutation
- R(d);P_PINS(F),XP(H)
- Try
- R(E);XP(c)
- Vars
- B(a);OGATE,P_SPINB(a),XS(F)::QAB(L)
- B(a);OGATE::QAB(L)
- Refutation
- R(d);P_PINS(F),XP(H)
- Try
- R(K);
- Vars
- R(d);N_GUARD,XP(J)::QAB1(L),XS(e)
- B(a);OGATE,XR(E)::QAB(L)
- B(a);OGATE::QAB(L)
- Refutation
- R(d);XP(H)
- Try
- R(K);
- Vars
- R(d);N_GUARD,XP(J)::QAB1(L),XS(e)
- B(a);OGATE,XR(E)::QAB(L)
- B(a);OGATE::QAB(L)
- Refutation
- R(d);XP(H)
- Try
- Q(L);N_PINS(e),XB(a)
- Threat
- DUALS(2)
- Vars
- R(d);OGATE,XP(J)::R(K),XR(d)
- S(e);XR(E)::QAB(L)
- S(e);N_GUARD::R1(E),XS(e)
- S(e);N_GUARD::R1(E)
- Refutation
- R(d);XP(H)
- Try
- P(B);
- Vars
- B(a);OGATE,XR(E)::QAB(L)
- B(a);OGATE::QAB(L)
- Refutation
- R(d);XP(H)
- Try
- P(G);
- Vars
- B(a);OGATE,XR(E)::QAB(L)
- B(a);OGATE::QAB(L)
- Refutation
- R(d);XP(H)
- Try
- P(J);
- Vars
- R(d);N_GUARD,XP(J)::QAB1(L),XS(e)
- B(a);OGATE,XR(E)::QAB(L)
- B(a);OGATE::QAB(L)
- Refutation
- R(d);XP(H)
- Try
- Actual
- Q(L);N_PINS(e)
- Threat
- QAB(L)
- Vars
- R(d);OGATE,P_SPINR(d),XP(H)::QAB1(L),XR(d)
- R(d);OGATE,XP(J)::R(K),XR(d)
- S(e);N_GUARD::R1(E),XS(e)
- S(e);N_GUARD::R1(E)
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).