MESON Chess Problem Database
Problem Display
PID: 231620 (2brrb2/8/7p/2p4Q/N1PPk1p1/6P1/n1P2K2/3R4 w - - 0 1)
Hochberger, Alfred
Nepszava, 1927
#2
8 + 9
| 6490 | yacpdb | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Rxd4
- 2.Re1#
- 1...Rd5
- 2.Qxd5#
- 1...Rd6
- 2.Sxc5#
- 1...Rd7
- 2.Qxg4#
- 2.Qg6#
- 1...Re5
- 2.Qxe5#
- 1...Re6
- 2.Qxg4#
- 1...Re7
- 2.Sxc5#
- 1...Bf5
- 2.Qh1#
- 1...Ba6
- 2.Qxg4#
- 2.Qg6#
- 1...Be6
- 2.Qe5#
- 1...Bb7
- 2.Qxg4#
- 2.Qg6#
- 1...Bd7
- 2.Qd5#
- 1...Bd6
- 2.Qd5#
- 1...Be7
- 2.Qe5#
- 1...Bg7
- 2.Sxc5#
- 1...Sc1
- 2.Sc3#
- 1...Sc3
- 2.Sxc3#
- 1...Sb4
- 2.Sc3#
- 1...cxd4
- 2.Re1#
- 1...Rxd4
- Tries
- 1.Rd3?
- 1...Rxd4
- 2.Re3#
- 1...Rd6
- 2.Sxc5#
- 1...Rd5
- 2.Qxd5#
- 1...Rd7
- 2.Qxg4#
- 2.Qg6#
- 1...Re5
- 2.Qxe5#
- 1...Re6
- 2.Qxg4#
- 1...Re7
- 2.Sxc5#
- 1...Bf5
- 2.Qh1#
- 1...Ba6
- 2.Qxg4#
- 2.Qg6#
- 1...Be6
- 2.Qe5#
- 1...Bb7
- 2.Qxg4#
- 2.Qg6#
- 1...Bd7
- 2.Qd5#
- 1...Bd6
- 2.Qd5#
- 1...Be7
- 2.Qe5#
- 1...Bg7
- 2.Sxc5#
- 1...Sc1
- 2.Sc3#
- 1...Sc3
- 2.Sxc3#
- 1...Sb4
- 2.Sc3#
- 1...cxd4!
- 1...Rxd4
- 1.Qf7?
- threat
- 2.Qf4#
- 1...Bd6
- 2.Qd5#
- 1...Bf5!
- threat
- 1.Qxc5?
- threat
- 2.Re1#
- 1...Rd5
- 2.Qxd5#
- 1...Re5
- 2.Qxe5#
- 1...Sc1
- 2.Sc3#
- 1...Sc3
- 2.Sxc3#
- 1...Bxc5!
- threat
- 1.Qg5?
- threat
- 2.Qf4#
- 1...Bd6
- 2.Qd5#
- 1...hxg5!
- threat
- 1.Rd3?
- Keys
- 1.Rd2!
- 1...Rxd4
- 2.Re2#
- 1...cxd4
- 2.Re2#
- 1...Rd6
- 2.Sxc5#
- 1...Rd5
- 2.Qxd5#
- 1...Rd7
- 2.Qxg4#
- 2.Qg6#
- 1...Re5
- 2.Qxe5#
- 1...Re6
- 2.Qxg4#
- 1...Re7
- 2.Sxc5#
- 1...Bf5
- 2.Qh1#
- 1...Ba6
- 2.Qxg4#
- 2.Qg6#
- 1...Be6
- 2.Qe5#
- 1...Bb7
- 2.Qxg4#
- 2.Qg6#
- 1...Bd7
- 2.Qd5#
- 1...Bd6
- 2.Qd5#
- 1...Be7
- 2.Qe5#
- 1...Bg7
- 2.Sxc5#
- 1...Sc1
- 2.Sc3#
- 1...Sc3
- 2.Sxc3#
- 1...Sb4
- 2.Sc3#
- 1...Rxd4
- 1.Rd2!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 2
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- R(g);SBLOCK,XP(G)::R(A)
- R(g);N_GUARD::QAB1(H),XR(g)
- R(g);S_CUTB(i)::S(E),XP(d)
- R(h);N_GUARD::QAR1(H),XR(h)
- R(h);S_CUTB(f)::QAR2(H),XP(c)
- R(h);S_CUTB(i)::S(E),XP(d)
- B(f);SBLOCK::QAB(H)
- B(f);S_CUTR(h)::QAR1(H)
- B(f);S_CUTR(g)::QAB1(H)
- B(i);S_CUTR(g)::QAB1(H)
- B(i);S_CUTR(h)::QAR1(H)
- B(i);N_GUARD::S(E),XP(d)
- S(a);N_GUARD::S(E)
- S(a);N_GUARD::S(E),XS(a)
- P(d);SBLOCK,XP(G)::R(A)
- Tries
- Try
- R(A);
- Vars
- R(g);SBLOCK,XP(G)::R1(A)
- R(g);S_CUTB(i)::S(E),XP(d)
- R(g);N_GUARD::QAB1(H),XR(g)
- R(h);N_GUARD::QAR1(H),XR(h)
- R(h);S_CUTB(f)::QAR2(H),XP(c)
- R(h);S_CUTB(i)::S(E),XP(d)
- B(f);SBLOCK::QAB(H)
- B(f);S_CUTR(h)::QAR1(H)
- B(f);S_CUTR(g)::QAB1(H)
- B(i);S_CUTR(g)::QAB1(H)
- B(i);S_CUTR(h)::QAR1(H)
- B(i);N_GUARD::S(E),XP(d)
- S(a);N_GUARD::S(E)
- S(a);N_GUARD::S(E),XS(a)
- Refutation
- P(d);XP(G)
- Try
- Q(H);
- Threat
- QAR1(H)
- Vars
- B(i);S_CUTR(g)::QAB1(H)
- Refutation
- B(f);
- Try
- Q(H);XP(d)
- Threat
- R(A)
- Vars
- R(g);N_GUARD::QAB1(H),XR(g)
- R(h);N_GUARD::QAR1(H),XR(h)
- S(a);N_GUARD::S(E)
- S(a);N_GUARD::S(E),XS(a)
- Refutation
- B(i);P_PINP(G),XQ(H)
- Try
- Q(H);
- Threat
- QAR1(H)
- Vars
- B(i);S_CUTR(g)::QAB1(H)
- Refutation
- P(e);XQ(H)
- Try
- Actual
- R(A);
- Vars
- R(g);SBLOCK,XP(G)::R(A)
- P(d);SBLOCK,XP(G)::R(A)
- R(g);S_CUTB(i)::S(E),XP(d)
- R(g);N_GUARD::QAB1(H),XR(g)
- R(h);N_GUARD::QAR1(H),XR(h)
- R(h);S_CUTB(f)::QAR2(H),XP(c)
- R(h);S_CUTB(i)::S(E),XP(d)
- B(f);SBLOCK::QAB(H)
- B(f);S_CUTR(h)::QAR1(H)
- B(f);S_CUTR(g)::QAB1(H)
- B(i);S_CUTR(g)::QAB1(H)
- B(i);S_CUTR(h)::QAR1(H)
- B(i);N_GUARD::S(E),XP(d)
- S(a);N_GUARD::S(E)
- S(a);N_GUARD::S(E),XS(a)
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).