MESON Chess Problem Database
Problem Display
PID: 198128 (5Rb1/1p2Kn1p/1P4pP/1Q4P1/3pkpB1/2p3p1/1R4N1/2n2N2 w - - 0 1)
Neukomm, Gyula (Julius) R
Chess Amateur (The), 1920
#2
10 + 11
| 6490 | yacpdb | 2019 |
SOLUTION
- SOUND
- Sets
- 1...Sa2
- 2.Re2#
- 1...Se2
- 2.Rxe2#
- 1...Sb3
- 2.Re2#
- 1...Sd3
- 2.Re2#
- 1...Se5
- 2.Rxf4#
- 1...Sxg5
- 2.Rxf4#
- 1...Sd6
- 2.Rxf4#
- 1...Sxh6
- 2.Rxf4#
- 1...Sd8
- 2.Rxf4#
- 1...Sh8
- 2.Rxf4#
- 1...cxb2
- 2.Sd2#
- 1...c2
- 2.Sd2#
- 1...d3
- 2.Rb4#
- 1...f3
- 2.Sxg3#
- 1...Sa2
- Tries
- 1.Kd7?
- 1...Sxg5
- 2.Rxf4#
- 1...Sxh6
- 2.Rxf4#
- 1...cxb2
- 2.Sd2#
- 1...d3
- 2.Rb4#
- 1...Sa2
- 2.Re2#
- 1...Se2
- 2.Rxe2#
- 1...Sb3
- 2.Re2#
- 1...Sd3
- 2.Re2#
- 1...Sd6
- 2.Rxf4#
- 1...Sd8
- 2.Rxf4#
- 1...Sh8
- 2.Rxf4#
- 1...c2
- 2.Sd2#
- 1...f3
- 2.Sxg3#
- 1...Se5+!
- 1...Sxg5
- 1.Ke8?
- 1...Sxg5
- 2.Rxf4#
- 1...Sxh6
- 2.Rxf4#
- 1...cxb2
- 2.Sd2#
- 1...d3
- 2.Rb4#
- 1...Sa2
- 2.Re2#
- 1...Se2
- 2.Rxe2#
- 1...Sb3
- 2.Re2#
- 1...Sd3
- 2.Re2#
- 1...Se5
- 2.Rxf4#
- 1...Sd8
- 2.Rxf4#
- 1...Sh8
- 2.Rxf4#
- 1...c2
- 2.Sd2#
- 1...f3
- 2.Sxg3#
- 1...Sd6+!
- 1...Sxg5
- 1.Sh2?
- threat
- 2.Bf3#
- 1...Sxg5
- 2.Rxf4#
- 1...d3
- 2.Rb4#
- 1...Se5
- 2.Rxf4#
- 1...f3
- 2.Bxf3#
- 1...gxh2!
- threat
- 1.Bf5+?
- 1...Kf3
- 2.Se1#
- 2.Sh4#
- 2.Qd5#
- 1...gxf5!
- 1...Kf3
- 1.Bh5?
- 1...Sxg5
- 2.Rxf4#
- 1...Sxh6
- 2.Rxf4#
- 1...cxb2
- 2.Sd2#
- 1...d3
- 2.Rb4#
- 1...Sa2
- 2.Re2#
- 1...Se2
- 2.Rxe2#
- 1...Sb3
- 2.Re2#
- 1...Sd3
- 2.Re2#
- 1...Se5
- 2.Rxf4#
- 1...Sd6
- 2.Rxf4#
- 1...Sd8
- 2.Rxf4#
- 1...Sh8
- 2.Rxf4#
- 1...c2
- 2.Sd2#
- 1...f3
- 2.Sxg3#
- 1...gxh5!
- 1...Sxg5
- 1.Bc8?
- threat
- 2.Bxb7#
- 1...Kf3
- 2.Qd5#
- 1...Sxg5
- 2.Rxf4#
- 1...Sxh6
- 2.Rxf4#
- 1...Se5
- 2.Rxf4#
- 1...Sd6
- 2.Rxf4#
- 1...Sd8
- 2.Rxf4#
- 1...Sh8
- 2.Rxf4#
- 1...d3!
- threat
- 1.Ra2?
- 1...Sxg5
- 2.Rxf4#
- 1...Sxh6
- 2.Rxf4#
- 1...d3
- 2.Ra4#
- 1...Se2
- 2.Rxe2#
- 1...Sb3
- 2.Re2#
- 1...Sd3
- 2.Re2#
- 1...Se5
- 2.Rxf4#
- 1...Sd6
- 2.Rxf4#
- 1...Sd8
- 2.Rxf4#
- 1...Sh8
- 2.Rxf4#
- 1...c2
- 2.Sd2#
- 1...f3
- 2.Sxg3#
- 1...Sxa2!
- 1...Sxg5
- 1.Rc2?
- 1...Sxg5
- 2.Rxf4#
- 1...Sxh6
- 2.Rxf4#
- 1...Sa2
- 2.Re2#
- 1...Se2
- 2.Rxe2#
- 1...Sb3
- 2.Re2#
- 1...Sd3
- 2.Re2#
- 1...Se5
- 2.Rxf4#
- 1...Sd6
- 2.Rxf4#
- 1...Sd8
- 2.Rxf4#
- 1...Sh8
- 2.Rxf4#
- 1...f3
- 2.Sxg3#
- 1...d3!
- 1...Sxg5
- 1.Rf2?
- threat
- 2.Bf3#
- 2.Rxf4#
- 1...Sxg5
- 2.R2xf4#
- 2.R8xf4#
- 1...d3
- 2.Rxf4#
- 1...Se2
- 2.Bf3#
- 2.Rxe2#
- 1...Sd3
- 2.Bf3#
- 2.Re2#
- 1...Se5
- 2.R2xf4#
- 2.R8xf4#
- 1...f3
- 2.Sxg3#
- 2.Bxf3#
- 1...gxf2!
- threat
- 1.Rxf7?
- threat
- 2.Rxf4#
- 1...Se2
- 2.Rxe2#
- 1...Sd3
- 2.Re2#
- 1...f3
- 2.Sxg3#
- 2.Bxf3#
- 2.Rf4#
- 1...Bxf7!
- threat
- 1.Qc6+?
- 1...Kd3
- 2.Se1#
- 2.Sxf4#
- 1...Ke5
- 2.Rb5#
- 2.Qe6#
- 1...bxc6!
- 1...Kd3
- 1.Qd5+?
- 1...Kd3
- 2.Se1#
- 2.Sxf4#
- 1...Kxd5!
- 1...Kd3
- 1.Kd7?
- Keys
- 1.Be6!
- 1...Kf3
- 2.Qd5#
- 1...Sxg5
- 2.Rxf4#
- 1...Sxh6
- 2.Rxf4#
- 1...cxb2
- 2.Sd2#
- 1...d3
- 2.Qd5#
- 1...Sa2
- 2.Qe2#
- 1...Se2
- 2.Qxe2#
- 1...Sb3
- 2.Qe2#
- 1...Sd3
- 2.Qd5#
- 1...Se5
- 2.Rxf4#
- 1...Sd6
- 2.Rxf4#
- 1...Sd8
- 2.Rxf4#
- 1...Sh8
- 2.Rxf4#
- 1...c2
- 2.Sd2#
- 1...f3
- 2.Sxg3#
- 1...Kf3
- 1.Be6!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 5
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- S(a);N_GUARD::R(B)
- S(a);N_GUARD::R(B),XS(a)
- S(i);OGATE::R1(J),XP(f)
- S(i);OGATE,XP(F)::R1(J),XP(f)
- S(i);OGATE,XP(H)::R1(J),XP(f)
- P(b);N_GUARD,XR(B)::S(A)
- P(b);N_GUARD::S(A)
- P(d);OGATEB::R(B)
- P(f);N_GUARD::S(A),XP(c)
- Tries
- Try
- K(I);P-FLIGHT
- Vars
- S(i);OGATE,XP(F)::R1(J),XP(f)
- S(i);OGATE,XP(H)::R1(J),XP(f)
- P(b);N_GUARD,XR(B)::S(A)
- P(d);OGATEB::R(B)
- S(a);N_GUARD::R(B)
- S(a);N_GUARD::R(B),XS(a)
- S(i);OGATE::R1(J),XP(f)
- P(b);N_GUARD::S(A)
- P(f);N_GUARD::S(A),XP(c)
- Refutation
- S(i);CHECK
- Try
- K(I);P-FLIGHT
- Vars
- S(i);OGATE,XP(F)::R1(J),XP(f)
- S(i);OGATE,XP(H)::R1(J),XP(f)
- P(b);N_GUARD,XR(B)::S(A)
- P(d);OGATEB::R(B)
- S(a);N_GUARD::R(B)
- S(a);N_GUARD::R(B),XS(a)
- S(i);OGATE::R1(J),XP(f)
- P(b);N_GUARD::S(A)
- P(f);N_GUARD::S(A),XP(c)
- Refutation
- S(i);CHECK
- Try
- S(A);
- Threat
- B(D)
- Vars
- S(i);OGATE,XP(F)::R1(J),XP(f)
- P(d);OGATEB::R(B)
- S(i);OGATE::R1(J),XP(f)
- P(f);::B(D),XP(f)
- Refutation
- P(c);XS(A)
- Try
- B(D);CHECK
- Refutation
- P(g);XB(D)
- Try
- B(D);
- Vars
- S(i);OGATE,XP(F)::R1(J),XP(f)
- S(i);OGATE,XP(H)::R1(J),XP(f)
- P(b);N_GUARD,XR(B)::S(A)
- P(d);OGATEB::R(B)
- S(a);N_GUARD::R(B)
- S(a);N_GUARD::R(B),XS(a)
- S(i);OGATE::R1(J),XP(f)
- P(b);N_GUARD::S(A)
- P(f);N_GUARD::S(A),XP(c)
- Refutation
- P(g);XB(D)
- Try
- B(D);
- Threat
- B(D),XP(h)
- Vars
- K(e);S_FLIGHT::QAB(E)
- S(i);OGATE,XP(F)::R1(J),XP(f)
- S(i);OGATE,XP(H)::R1(J),XP(f)
- S(i);OGATE::R1(J),XP(f)
- Refutation
- P(d);
- Try
- R(B);
- Vars
- S(i);OGATE,XP(F)::R1(J),XP(f)
- S(i);OGATE,XP(H)::R1(J),XP(f)
- P(d);OGATEB::R(B)
- S(a);N_GUARD::R(B),XS(a)
- S(a);N_GUARD::R(B)
- S(i);OGATE::R1(J),XP(f)
- P(b);N_GUARD::S(A)
- P(f);N_GUARD::S(A),XP(c)
- Refutation
- S(a);XR(B)
- Try
- R(B);
- Vars
- S(i);OGATE,XP(F)::R1(J),XP(f)
- S(i);OGATE,XP(H)::R1(J),XP(f)
- S(a);N_GUARD::R(B)
- S(a);N_GUARD::R(B),XS(a)
- S(i);OGATE::R1(J),XP(f)
- P(f);N_GUARD::S(A),XP(c)
- Refutation
- P(d);
- Try
- R(B);
- Threat
- DUALS(2)
- Vars
- P(d);::R1(B),XP(f)
- Refutation
- P(c);XR(B)
- Try
- R(J);XS(i)
- Threat
- R1(J),XP(f)
- Vars
- S(a);N_GUARD::R(B),XS(a)
- S(a);N_GUARD::R(B)
- Refutation
- B(k);XR(J)
- Try
- Q(E);CHECK
- Refutation
- P(h);XQ(E)
- Try
- Q(E);CHECK
- Refutation
- K(e);S_FLIGHT,XQ(E)
- Try
- Actual
- B(D);
- Vars
- K(e);S_FLIGHT::QAB(E)
- S(i);OGATE,XP(F)::R1(J),XP(f)
- S(i);OGATE,XP(H)::R1(J),XP(f)
- P(b);N_GUARD,XR(B)::S(A)
- P(d);::QAB1(E)
- S(a);N_GUARD::QAR2(E)
- S(a);N_GUARD::QAR2(E),XS(a)
- S(a);SBLOCK::QAB1(E)
- S(i);OGATE::R1(J),XP(f)
- P(b);N_GUARD::S(A)
- P(f);N_GUARD,SBLOCK::S(A),XP(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).