MESON Chess Problem Database
Problem Display
PID: 90283 (8/8/2ppp3/1prkB3/1Q1Pp3/1PP5/2KN1nB1/1N6 w - - 0 1)
Hertmann, Sandor
Die Schwalbe, 1933
#2
9 + 8
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Rxc3+
- 2.Sxc3#
- 1...Rc4
- 2.Qxd6#
- 1...Sd1
- 2.Bxe4#
- 1...Sh1
- 2.Bxe4#
- 1...Sd3
- 2.Bxe4#
- 1...Sh3
- 2.Bxe4#
- 1...Sg4
- 2.Bxe4#
- 1...dxe5
- 2.Qxc5#
- 1...Rxc3+
- Tries
- 1.Kc1?
- 1...Rxc3+
- 2.Sxc3#
- 1...dxe5
- 2.Qxc5#
- 1...Rc4
- 2.Qxd6#
- 1...Sd1
- 2.Bxe4#
- 1...Sh1
- 2.Bxe4#
- 1...Sh3
- 2.Bxe4#
- 1...Sg4
- 2.Bxe4#
- 1...Sd3+!
- 1...Rxc3+
- 1.Sa3?
- 1...dxe5
- 2.Qxc5#
- 1...Rc4
- 2.Qxd6#
- 1...Sd1
- 2.Bxe4#
- 1...Sh1
- 2.Bxe4#
- 1...Sd3
- 2.Bxe4#
- 1...Sh3
- 2.Bxe4#
- 1...Sg4
- 2.Bxe4#
- 1...Rxc3+!
- 1...dxe5
- 1.Sc4?
- threat
- 2.Se3#
- 2.Sb6#
- 1...Rxc4
- 2.Qxd6#
- 1...dxe5
- 2.Qxc5#
- 1...Sd1
- 2.Sb6#
- 1...Sg4
- 2.Sb6#
- 1...bxc4!
- threat
- 1.Sxe4?
- threat
- 2.Sxf2#
- 2.Sf6#
- 1...Rxc3+
- 2.Sbxc3#
- 2.Sexc3#
- 1...dxe5
- 2.Qxc5#
- 1...Sd1
- 2.Sed2#
- 2.Sf2#
- 2.Sg3#
- 2.Sxc5#
- 2.Sg5#
- 2.Sxd6#
- 2.Sf6#
- 1...Sh1
- 2.Sed2#
- 2.Sf2#
- 2.Sg3#
- 2.Sxc5#
- 2.Sg5#
- 2.Sxd6#
- 2.Sf6#
- 1...Sd3
- 2.Sed2#
- 2.Sf2#
- 2.Sg3#
- 2.Sxc5#
- 2.Sg5#
- 2.Sxd6#
- 2.Sf6#
- 1...Sh3
- 2.Sed2#
- 2.Sf2#
- 2.Sg3#
- 2.Sxc5#
- 2.Sg5#
- 2.Sxd6#
- 2.Sf6#
- 1...Sg4
- 2.Sed2#
- 2.Sf2#
- 2.Sg3#
- 2.Sxc5#
- 2.Sg5#
- 2.Sxd6#
- 2.Sf6#
- 1...Sxe4!
- threat
- 1.Bh1?
- 1...Rxc3+
- 2.Sxc3#
- 1...dxe5
- 2.Qxc5#
- 1...Sd1
- 2.Bxe4#
- 1...Rc4
- 2.Qxd6#
- 1...Sd3
- 2.Bxe4#
- 1...Sh3
- 2.Bxe4#
- 1...Sg4
- 2.Bxe4#
- 1...Sxh1!
- 1...Rxc3+
- 1.Bf3?
- 1...Rxc3+
- 2.Sxc3#
- 1...dxe5
- 2.Qxc5#
- 1...Sd1
- 2.Bxe4#
- 1...Rc4
- 2.Qxd6#
- 1...Sh1
- 2.Bxe4#
- 1...Sd3
- 2.Bxe4#
- 1...Sh3
- 2.Bxe4#
- 1...Sg4
- 2.Bxe4#
- 1...exf3!
- 1...Rxc3+
- 1.Bh2?
- 1...Rxc3+
- 2.Sxc3#
- 1...Sd1
- 2.Bxe4#
- 1...Rc4
- 2.Qxd6#
- 1...Sh1
- 2.Bxe4#
- 1...Sd3
- 2.Bxe4#
- 1...Sh3
- 2.Bxe4#
- 1...Sg4
- 2.Bxe4#
- 1...e5!
- 1...Rxc3+
- 1.Bg3?
- 1...Rxc3+
- 2.Sxc3#
- 1...Sd1
- 2.Bxe4#
- 1...Rc4
- 2.Qxd6#
- 1...Sh1
- 2.Bxe4#
- 1...Sd3
- 2.Bxe4#
- 1...Sh3
- 2.Bxe4#
- 1...Sg4
- 2.Bxe4#
- 1...e5!
- 1...Rxc3+
- 1.Bf4?
- 1...Rxc3+
- 2.Sxc3#
- 1...Sd1
- 2.Bxe4#
- 1...Rc4
- 2.Qxd6#
- 1...Sh1
- 2.Bxe4#
- 1...Sd3
- 2.Bxe4#
- 1...Sh3
- 2.Bxe4#
- 1...Sg4
- 2.Bxe4#
- 1...e5!
- 1...Rxc3+
- 1.Qa3?
- 1...Rxc3+
- 2.Sxc3#
- 1...dxe5
- 2.Qxc5#
- 1...Sd1
- 2.Bxe4#
- 1...Rc4
- 2.Qxd6#
- 1...Sh1
- 2.Bxe4#
- 1...Sd3
- 2.Bxe4#
- 1...Sh3
- 2.Bxe4#
- 1...Sg4
- 2.Bxe4#
- 1...b4!
- 1...Rxc3+
- 1.Qxb5?
- threat
- 2.c4#
- 1...dxe5
- 2.Qxc5#
- 1...cxb5!
- threat
- 1.c4+?
- 1...bxc4
- 2.Sc3#
- 1...Rxc4+!
- 1...bxc4
- 1.Kc1?
- Keys
- 1.Qa5!
- 1...Rxc3+
- 2.Sxc3#
- 1...dxe5
- 2.Qd8#
- 1...Sd1
- 2.Bxe4#
- 1...Rc4
- 2.bxc4#
- 1...Sh1
- 2.Bxe4#
- 1...Sd3
- 2.Bxe4#
- 1...Sh3
- 2.Bxe4#
- 1...Sg4
- 2.Bxe4#
- 1...b4
- 2.c4#
- 1...Rxc3+
- 1.Qa5!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 2
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- R(d);CHECK,XP(F)::S(A),XR(d)
- R(d);OGATE::QAR1(G),XP(g)
- S(a);N_GUARD::B(D),XP(b)
- P(g);N_GUARD,XB(I)::QAR1(G),XR(d)
- Tries
- Try
- K(B);P-FLIGHT
- Vars
- R(d);CHECK,XP(F)::S(A),XR(d)
- P(g);N_GUARD,XB(I)::QAR1(G),XR(d)
- R(d);OGATE::QAR1(G),XP(g)
- S(a);N_GUARD::B(D),XP(b)
- Refutation
- S(a);CHECK
- Try
- S(A);
- Vars
- P(g);N_GUARD,XB(I)::QAR1(G),XR(d)
- R(d);OGATE::QAR1(G),XP(g)
- S(a);N_GUARD::B(D),XP(b)
- Refutation
- R(d);CHECK,XP(F)
- Try
- S(C);N_SPINP(F)
- Threat
- DUALS(2)
- Vars
- R(d);OGATE,P_PINP(F),XS(C)::QAR1(G),XP(g)
- P(g);N_GUARD,XB(I)::QAR1(G),XR(d)
- S(a);::S(C)
- Refutation
- P(c);XS(C)
- Try
- S(C);XP(b)
- Threat
- DUALS(2)
- Vars
- P(g);N_GUARD,XB(I)::QAR1(G),XR(d)
- Refutation
- S(a);P_SPINS(a),XS(C)
- Try
- B(D);
- Vars
- R(d);CHECK,XP(F)::S(A),XR(d)
- P(g);N_GUARD,XB(I)::QAR1(G),XR(d)
- S(a);N_GUARD::B(D),XP(b)
- R(d);OGATE::QAR1(G),XP(g)
- Refutation
- S(a);N_SPINP(b),XB(D)
- Try
- B(D);
- Vars
- R(d);CHECK,XP(F)::S(A),XR(d)
- P(g);N_GUARD,XB(I)::QAR1(G),XR(d)
- S(a);N_GUARD::B(D),XP(b)
- R(d);OGATE::QAR1(G),XP(g)
- Refutation
- P(b);N_SPINP(b),XB(D)
- Try
- B(I);
- Vars
- R(d);CHECK,XP(F)::S(A),XR(d)
- S(a);N_GUARD::B(D),XP(b)
- R(d);OGATE::QAR1(G),XP(g)
- Refutation
- P(h);
- Try
- B(I);
- Vars
- R(d);CHECK,XP(F)::S(A),XR(d)
- S(a);N_GUARD::B(D),XP(b)
- R(d);OGATE::QAR1(G),XP(g)
- Refutation
- P(h);
- Try
- B(I);
- Vars
- R(d);CHECK,XP(F)::S(A),XR(d)
- S(a);N_GUARD::B(D),XP(b)
- R(d);OGATE::QAR1(G),XP(g)
- Refutation
- P(h);
- Try
- Q(G);
- Vars
- R(d);CHECK,XP(F)::S(A),XR(d)
- P(g);N_GUARD,XB(I)::QAR1(G),XR(d)
- S(a);N_GUARD::B(D),XP(b)
- R(d);OGATE::QAR1(G),XP(g)
- Refutation
- P(c);
- Try
- Q(G);P_PINR(d),XP(c)
- Threat
- P(F)
- Vars
- P(g);N_GUARD,XB(I)::QAR1(G),XR(d)
- Refutation
- P(f);N_SPINR(d),XQ(G)
- Try
- P(F);CHECK
- Vars
- P(c);XP(F)::S(A)
- Refutation
- R(d);CHECK,XP(F)
- Try
- Actual
- Q(G);
- Vars
- R(d);CHECK,XP(F)::S(A),XR(d)
- P(g);OGATEB,XB(I)::QAR(G)
- S(a);N_GUARD::B(D),XP(b)
- R(d);OGATE::P(E),XR(d)
- P(c);N_GUARD,P_SPINR(d)::P(F)
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).