MESON Chess Problem Database
Problem Display
PID: 229282 (8/4p3/4r3/1p2p1QR/pK1kP3/BP4P1/2BP1q1N/b1N4n w - - 0 1)
Krenosz, Ferenc
Nepszava, 1926
#2
11 + 9
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Qe1
- 2.Sf3#
- 1...Qg1
- 2.Se2#
- 2.Sf3#
- 1...Qe3
- 2.Qxe3#
- 2.dxe3#
- 1...Qxg3
- 2.Se2#
- 1...Qf1
- 2.Qe3#
- 1...Qxd2+
- 2.Qxd2#
- 1...Qe2
- 2.Sxe2#
- 1...Qg2
- 2.Qe3#
- 1...Qxh2
- 2.Qe3#
- 1...Qf3
- 2.Sxf3#
- 1...Qf4
- 2.Se2#
- 1...Qf5
- 2.Se2#
- 2.Qe3#
- 1...Qf6
- 2.Se2#
- 2.Qe3#
- 1...Qf7
- 2.Se2#
- 2.Qe3#
- 1...Qf8
- 2.Se2#
- 2.Qe3#
- 1...Ra6
- 2.Qxe5#
- 1...Rb6
- 2.Qxe5#
- 1...Rc6
- 2.Qxe5#
- 1...Rd6
- 2.Qxe5#
- 1...Rf6
- 2.Qxe5#
- 1...Rg6
- 2.Qxe5#
- 1...Rh6
- 2.Qxe5#
- 1...Bb2
- 2.Bxb2#
- 1...Bc3+
- 2.dxc3#
- 1...axb3
- 2.Sxb3#
- 1...Qe1
- Tries
- 1.Bb1?
- 1...Qxd2+
- 2.Qxd2#
- 1...Bc3+
- 2.dxc3#
- 1...Qxg3
- 2.Se2#
- 1...Qxh2
- 2.Qe3#
- 1...axb3
- 2.Sxb3#
- 1...Qe1
- 2.Sf3#
- 1...Qg1
- 2.Se2#
- 2.Sf3#
- 1...Qe3
- 2.Qxe3#
- 2.dxe3#
- 1...Qf1
- 2.Qe3#
- 1...Qe2
- 2.Sxe2#
- 1...Qg2
- 2.Qe3#
- 1...Qf3
- 2.Sxf3#
- 1...Qf4
- 2.Se2#
- 1...Qf5
- 2.Se2#
- 2.Qe3#
- 1...Qf6
- 2.Se2#
- 2.Qe3#
- 1...Qf7
- 2.Se2#
- 2.Qe3#
- 1...Qf8
- 2.Se2#
- 2.Qe3#
- 1...Ra6
- 2.Qxe5#
- 1...Rb6
- 2.Qxe5#
- 1...Rc6
- 2.Qxe5#
- 1...Rd6
- 2.Qxe5#
- 1...Rf6
- 2.Qxe5#
- 1...Rg6
- 2.Qxe5#
- 1...Rh6
- 2.Qxe5#
- 1...Bb2
- 2.Bxb2#
- 1...Sxg3!
- 1...Qxd2+
- 1.bxa4?
- threat
- 2.Sb3#
- 1...Qxd2+
- 2.Qxd2#
- 1...Bc3+
- 2.dxc3#
- 1...Qxg3
- 2.Se2#
- 1...Qe3
- 2.Qxe3#
- 2.dxe3#
- 1...Qf3
- 2.Sxf3#
- 1...bxa4!
- threat
- 1.g4?
- 1...Qxd2+
- 2.Qxd2#
- 1...Bc3+
- 2.dxc3#
- 1...Qxh2
- 2.Qe3#
- 1...axb3
- 2.Sxb3#
- 1...Ra6
- 2.Qxe5#
- 1...Qe1
- 2.Sf3#
- 1...Qg1
- 2.Se2#
- 2.Sf3#
- 1...Qe3
- 2.Qxe3#
- 2.dxe3#
- 1...Qg3
- 2.Se2#
- 1...Qh4
- 2.Se2#
- 2.Sf3#
- 2.Qe3#
- 1...Qf1
- 2.Qe3#
- 1...Qe2
- 2.Sxe2#
- 1...Qg2
- 2.Qe3#
- 1...Qf3
- 2.Sxf3#
- 1...Qf4
- 2.Se2#
- 1...Qf5
- 2.Se2#
- 2.Qe3#
- 1...Qf6
- 2.Se2#
- 2.Qe3#
- 1...Qf7
- 2.Se2#
- 2.Qe3#
- 1...Qf8
- 2.Se2#
- 2.Qe3#
- 1...Rb6
- 2.Qxe5#
- 1...Rc6
- 2.Qxe5#
- 1...Rd6
- 2.Qxe5#
- 1...Rf6
- 2.Qxe5#
- 1...Rg6
- 2.Qxe5#
- 1...Rh6
- 2.Qxe5#
- 1...Bb2
- 2.Bxb2#
- 1...Sg3!
- 1...Qxd2+
- 1.Bb1?
- Keys
- 1.Qf4!
- 1...Qxd2+
- 2.Qxd2#
- 1...Bc3+
- 2.dxc3#
- 1...Qxg3
- 2.Se2#
- 1...Qxh2
- 2.Qe3#
- 1...Qxf4
- 2.Se2#
- 1...Sxg3
- 2.Qxf2#
- 1...axb3
- 2.Sxb3#
- 1...exf4
- 2.Rd5#
- 1...Ra6
- 2.Qxe5#
- 1...Qe1
- 2.Sf3#
- 1...Qg1
- 2.Se2#
- 2.Sf3#
- 1...Qe3
- 2.Qxe3#
- 2.dxe3#
- 1...Qf1
- 2.Qe3#
- 1...Qe2
- 2.Sxe2#
- 1...Qg2
- 2.Qe3#
- 1...Qf3
- 2.Sxf3#
- 1...Rb6
- 2.Qxe5#
- 1...Rc6
- 2.Qxe5#
- 1...Rd6
- 2.Qxe5#
- 1...Rf6
- 2.Qxe5#
- 1...Rg6
- 2.Qxe5#
- 1...Rh6
- 2.Qxe5#
- 1...Bb2
- 2.Bxb2#
- 1...Qxd2+
- 1.Qf4!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- Q(c);N_GUARD,P_PINP(C)::S(D)
- Q(c);N_GUARD,XP(G)::S(A)
- Q(c);N_GUARD::QAB1(J)
- Q(c);CHECK,OGATE,XP(C)::QAR2(J),XQ(c)
- Q(c);N_GUARD::S(A),XQ(c)
- Q(c);N_GUARD,XS(D)::QAB1(J)
- Q(c);N_GUARD::S(D),XQ(c)
- Q(c);N_GUARD::S(A)
- R(h);N_GUARD::QAB1(J),XP(g)
- B(a);N_GUARD::B(E),XB(a)
- B(a);CHECK,OGATE::P(C),XB(a)
- P(d);XP(F)::S(A),XP(d)
- Tries
- Try
- B(B);
- Vars
- Q(c);CHECK,OGATE,XP(C)::QAR2(J),XQ(c)
- B(a);CHECK,OGATE::P(C),XB(a)
- Q(c);N_GUARD,XP(G)::S(A)
- Q(c);N_GUARD,XS(D)::QAB1(J)
- P(d);XP(F)::S(A),XP(d)
- Q(c);N_GUARD,P_PINP(C)::S(D)
- Q(c);N_GUARD::QAB1(J)
- Q(c);N_GUARD::S(A),XQ(c)
- Q(c);N_GUARD::S(D),XQ(c)
- Q(c);N_GUARD::S(A)
- R(h);N_GUARD::QAB1(J),XP(g)
- B(a);N_GUARD::B(E),XB(a)
- Refutation
- S(b);XP(G)
- Try
- P(F);XP(d)
- Threat
- S(A)
- Vars
- Q(c);CHECK,OGATE,XP(C)::QAR2(J),XQ(c)
- B(a);CHECK,OGATE::P(C),XB(a)
- Q(c);N_GUARD,XP(G)::S(A)
- Q(c);N_GUARD::S(D),XQ(c)
- Refutation
- P(f);XP(F)
- Try
- P(G);
- Vars
- Q(c);CHECK,OGATE,XP(C)::QAR2(J),XQ(c)
- B(a);CHECK,OGATE::P(C),XB(a)
- Q(c);N_GUARD,XS(D)::QAB1(J)
- P(d);XP(F)::S(A),XP(d)
- R(h);N_GUARD::QAB1(J),XP(g)
- Q(c);N_GUARD,P_PINP(C)::S(D)
- Q(c);N_GUARD::S(A)
- Q(c);N_GUARD::QAB1(J)
- Q(c);N_GUARD::S(A),XQ(c)
- Q(c);N_GUARD::S(D),XQ(c)
- B(a);N_GUARD::B(E),XB(a)
- Refutation
- S(b);
- Try
- Actual
- Q(J);
- Vars
- Q(c);CHECK,OGATE,XP(C)::QAR2(J),XQ(c)
- B(a);CHECK,OGATE::P(C),XB(a)
- Q(c);N_GUARD,XP(G)::S(A)
- Q(c);N_GUARD,XS(D)::QAB1(J)
- Q(c);N_GUARD,XQ(J)::S(A)
- S(b);N_GUARD,XP(G)::QAB(J),XQ(c)
- P(d);XP(F)::S(A),XP(d)
- P(g);OGATE,XQ(J)::R1(K)
- R(h);N_GUARD::QAB1(J),XP(g)
- Q(c);N_GUARD,P_PINP(C)::S(D)
- Q(c);N_GUARD::QAB1(J)
- Q(c);N_GUARD::S(A),XQ(c)
- Q(c);N_GUARD::S(D),XQ(c)
- B(a);N_GUARD::B(E),XB(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).