MESON Chess Problem Database
Problem Display
PID: 72974 (2N5/B4p1Q/R1n1p1n1/p1pk4/R3pP2/1P1p2K1/1p6/1B6 w - - 0 1)
Hassebroek, H
Tijdschrift vd KNSB, 1936
#2
9 + 10
SOLUTION
- SOUND
- Sets
- 1...Sb4
- 2.Rd6#
- 1...Sd4
- 2.Rd6#
- 1...Sce5
- 2.Rd6#
- 1...Sxa7
- 2.Rd6#
- 1...Sce7
- 2.Rd6#
- 1...Sb8
- 2.Rd6#
- 1...Sd8
- 2.Rd6#
- 1...Sxf4
- 2.Qxe4#
- 1...Sh4
- 2.Qxe4#
- 1...Sge5
- 2.Qxe4#
- 1...Sge7
- 2.Qxe4#
- 1...Sf8
- 2.Qxe4#
- 1...Sh8
- 2.Qxe4#
- 1...d2
- 2.Bxe4#
- 1...e3
- 2.Qh1#
- 1...c4
- 2.bxc4#
- 1...e5
- 2.Qxf7#
- 1...f5
- 2.Qd7#
- 1...f6
- 2.Qd7#
- 1...Sb4
- Tries
- 1.Kf2?
- 1...Sxa7
- 2.Rd6#
- 1...Sxf4
- 2.Qxe4#
- 1...Sb4
- 2.Rd6#
- 1...e5
- 2.Qxf7#
- 1...Sd4
- 2.Rd6#
- 1...Sce5
- 2.Rd6#
- 1...Sce7
- 2.Rd6#
- 1...Sb8
- 2.Rd6#
- 1...Sd8
- 2.Rd6#
- 1...Sh4
- 2.Qxe4#
- 1...Sge5
- 2.Qxe4#
- 1...Sge7
- 2.Qxe4#
- 1...Sf8
- 2.Qxe4#
- 1...Sh8
- 2.Qxe4#
- 1...d2
- 2.Bxe4#
- 1...c4
- 2.bxc4#
- 1...f5
- 2.Qd7#
- 1...f6
- 2.Qd7#
- 1...e3+!
- 1...Sxa7
- 1.Kh2?
- 1...Sxa7
- 2.Rd6#
- 1...Sxf4
- 2.Qxe4#
- 1...Sb4
- 2.Rd6#
- 1...e5
- 2.Qxf7#
- 1...Sd4
- 2.Rd6#
- 1...Sce5
- 2.Rd6#
- 1...Sce7
- 2.Rd6#
- 1...Sb8
- 2.Rd6#
- 1...Sd8
- 2.Rd6#
- 1...Sh4
- 2.Qxe4#
- 1...Sge5
- 2.Qxe4#
- 1...Sge7
- 2.Qxe4#
- 1...Sf8
- 2.Qxe4#
- 1...Sh8
- 2.Qxe4#
- 1...d2
- 2.Bxe4#
- 1...c4
- 2.bxc4#
- 1...f5
- 2.Qd7#
- 1...f6
- 2.Qd7#
- 1...e3!
- 1...Sxa7
- 1.Bb8?
- threat
- 2.Sb6#
- 1...Sxb8
- 2.Rd6#
- 1...Sb4
- 2.Rd6#
- 1...e5
- 2.Qxf7#
- 1...Sd4
- 2.Rd6#
- 1...Sce5
- 2.Rd6#
- 1...Sa7
- 2.Rd6#
- 1...Sce7
- 2.Rd6#
- 1...Sd8
- 2.Rd6#
- 1...c4!
- threat
- 1.Rc4?
- 1...Sxa7
- 2.Rd6#
- 1...Sxf4
- 2.Qxe4#
- 1...e5
- 2.Qxf7#
- 1...Sb4
- 2.Rd6#
- 1...Sd4
- 2.Rxc5#
- 2.Rd6#
- 1...Sce5
- 2.Rd6#
- 1...Sce7
- 2.Rd6#
- 1...Sb8
- 2.Rd6#
- 1...Sd8
- 2.Rd6#
- 1...Sh4
- 2.Qxe4#
- 1...Sge5
- 2.Qxe4#
- 1...Sge7
- 2.Qxe4#
- 1...Sf8
- 2.Qxe4#
- 1...Sh8
- 2.Qxe4#
- 1...d2
- 2.Bxe4#
- 1...e3
- 2.Qh1#
- 1...f5
- 2.Qd7#
- 1...f6
- 2.Qd7#
- 1...a4!
- 1...Sxa7
- 1.Rxc6?
- threat
- 2.Rxc5#
- 2.Rd6#
- 1...Sxf4
- 2.Rxc5#
- 2.Qxe4#
- 1...c4
- 2.Rd6#
- 1...e5
- 2.Rd6#
- 1...Kxc6!
- threat
- 1.Kf2?
- Keys
- 1.Rb6!
- 1...Sxa7
- 2.Rd6#
- 1...Sxf4
- 2.Qxe4#
- 1...Sb4
- 2.Rd6#
- 1...c4
- 2.Rb5#
- 1...e5
- 2.Qxf7#
- 1...Sd4
- 2.Rd6#
- 1...Sce5
- 2.Rd6#
- 1...Sce7
- 2.Rd6#
- 1...Sb8
- 2.Rd6#
- 1...Sd8
- 2.Rd6#
- 1...Sh4
- 2.Qxe4#
- 1...Sge5
- 2.Qxe4#
- 1...Sge7
- 2.Qxe4#
- 1...Sf8
- 2.Qxe4#
- 1...Sh8
- 2.Qxe4#
- 1...d2
- 2.Bxe4#
- 1...e3
- 2.Qh1#
- 1...f5
- 2.Qd7#
- 1...f6
- 2.Qd7#
- 1...Sxa7
- 1.Rb6!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 1
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- S(g);OGATE::R1(F)
- S(g);OGATE,XB(G)::R1(F)
- S(i);OGATE,XP(E)::QAB1(H),XP(c)
- S(i);OGATE::QAB1(H),XP(c)
- P(b);OGATE::B(A),XP(c)
- P(c);OGATEB::QAB(H)
- P(e);OGATE::P(B),XP(e)
- P(h);OGATEB::QAB(H),XP(j)
- P(j);OGATE::QAR2(H)
- Tries
- Try
- K(C);S_FLIGHT
- Vars
- S(g);OGATE,XB(G)::R1(F)
- S(i);OGATE,XP(E)::QAB1(H),XP(c)
- S(g);OGATE::R1(F)
- P(h);OGATEB::QAB(H),XP(j)
- S(i);OGATE::QAB1(H),XP(c)
- P(b);OGATE::B(A),XP(c)
- P(e);OGATE::P(B),XP(e)
- P(j);OGATE::QAR2(H)
- Refutation
- P(c);CHECK
- Try
- K(C);S_FLIGHT
- Vars
- S(g);OGATE,XB(G)::R1(F)
- S(i);OGATE,XP(E)::QAB1(H),XP(c)
- S(g);OGATE::R1(F)
- P(h);OGATEB::QAB(H),XP(j)
- S(i);OGATE::QAB1(H),XP(c)
- P(b);OGATE::B(A),XP(c)
- P(e);OGATE::P(B),XP(e)
- P(j);OGATE::QAR2(H)
- Refutation
- P(c);
- Try
- B(G);
- Threat
- S(I)
- Vars
- S(g);OGATE,XB(G)::R1(F)
- S(g);OGATE::R1(F)
- P(h);OGATEB::QAB(H),XP(j)
- Refutation
- P(e);
- Try
- R(D);
- Vars
- S(g);OGATE,XB(G)::R1(F)
- S(i);OGATE,XP(E)::QAB1(H),XP(c)
- P(h);OGATEB::QAB(H),XP(j)
- S(g);OGATE::R1(F)
- S(i);OGATE::QAB1(H),XP(c)
- P(b);OGATE::B(A),XP(c)
- P(c);OGATEB::QAB(H)
- P(j);OGATE::QAR2(H)
- Refutation
- P(d);
- Try
- R(F);XS(g)
- Threat
- DUALS(2)
- Vars
- P(e);::R1(F)
- P(h);::R1(F)
- Refutation
- K(f);S_FLIGHT,XR(F)
- Try
- Actual
- R(F);
- Vars
- S(g);OGATE,XB(G)::R1(F)
- S(i);OGATE,XP(E)::QAB1(H),XP(c)
- S(g);OGATE::R1(F)
- P(e);OGATEB::R(F)
- P(h);OGATEB::QAB(H),XP(j)
- S(i);OGATE::QAB1(H),XP(c)
- P(b);OGATE::B(A),XP(c)
- P(c);OGATEB::QAB(H)
- P(j);OGATE::QAR2(H)
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).