MESON Chess Problem Database
Problem Display
PID: 193822 (n2K1b2/3p2pp/2NpN1br/p2k3p/2R1R2P/4pQPn/3p4/8 w - - 0 1)
Neukomm, Gyula (Julius) R
Tidskrift for Schack, 1916
#2
8 + 14
| 6490 | yacpdb | 2019 |
SOLUTION
- SOUND
- Sets
- 1...Bxe4
- 2.Qxe4#
- 1...Bf5
- 2.Qxf5#
- 1...Bf7
- 2.Qf5#
- 1...Be8
- 2.Qf5#
- 1...Be7+
- 2.Sxe7#
- 1...Sg1
- 2.Sf4#
- 1...Sf2
- 2.Sf4#
- 1...Sf4
- 2.Sxf4#
- 1...Sg5
- 2.Sf4#
- 1...Sb6
- 2.Sc7#
- 1...Sc7
- 2.Sxc7#
- 1...d1Q
- 2.Qxd1#
- 1...d1S
- 2.Qxd1#
- 1...d1B
- 2.Qxd1#
- 1...d1R
- 2.Qxd1#
- 1...e2
- 2.Qd3#
- 1...a4
- 2.Sb4#
- 1...dxc6
- 2.Rcd4#
- 1...dxe6
- 2.Red4#
- 1...Bxe4
- Tries
- 1.Kc8?
- 1...Bxe4
- 2.Qxe4#
- 1...dxc6
- 2.Rcd4#
- 1...dxe6
- 2.Red4#
- 1...d1Q
- 2.Qxd1#
- 1...d1S
- 2.Qxd1#
- 1...d1B
- 2.Qxd1#
- 1...d1R
- 2.Qxd1#
- 1...Bf5
- 2.Qxf5#
- 1...Bf7
- 2.Qf5#
- 1...Be8
- 2.Qf5#
- 1...Be7
- 2.Sxe7#
- 1...Sg1
- 2.Sf4#
- 1...Sf2
- 2.Sf4#
- 1...Sf4
- 2.Sxf4#
- 1...Sg5
- 2.Sf4#
- 1...Sc7
- 2.Sxc7#
- 1...e2
- 2.Qd3#
- 1...a4
- 2.Sb4#
- 1...Sb6+!
- 1...Bxe4
- 1.Sxg7?
- threat
- 2.Red4#
- 1...Be7+
- 2.Sxe7#
- 1...Bxe4
- 2.Qxe4#
- 1...Bxg7
- 2.Se7#
- 1...dxc6!
- threat
- 1.Sxf8?
- threat
- 2.Se7#
- 2.Red4#
- 1...Bxe4
- 2.Qxe4#
- 1...dxc6!
- threat
- 1.Rc3?
- threat
- 2.Re5#
- 1...Be7+
- 2.Sxe7#
- 1...dxc6
- 2.Rd3#
- 1...Bxe4!
- threat
- 1.Ra4?
- threat
- 2.Re5#
- 1...Be7+
- 2.Sxe7#
- 1...Bxe4
- 2.Qxe4#
- 1...dxc6
- 2.Rad4#
- 1...Kxc6!
- threat
- 1.Rxe3+?
- 1...Be4
- 2.Qxe4#
- 1...Kxc4!
- 1...Be4
- 1.Rf4+?
- 1...Be4
- 2.Qxe4#
- 1...Kxe6!
- 1...Be4
- 1.Rg4+?
- 1...Be4
- 2.Qxe4#
- 1...Kxe6!
- 1...Be4
- 1.Qe2?
- threat
- 2.Qd3#
- 1...Be7+
- 2.Sxe7#
- 1...d1Q
- 2.Qxd1#
- 1...d1R
- 2.Qxd1#
- 1...Sf2
- 2.Sf4#
- 1...Sf4
- 2.Sxf4#
- 1...Bxe4!
- threat
- 1.Qg4?
- threat
- 2.Red4#
- 1...Be7+
- 2.Sxe7#
- 1...Bxe4
- 2.Qxe4#
- 1...dxc6
- 2.Rcd4#
- 1...d1Q
- 2.Qxd1#
- 1...d1R
- 2.Qxd1#
- 1...Bf5
- 2.Qxf5#
- 1...hxg4!
- threat
- 1.Qf7?
- threat
- 2.Sf4#
- 2.Sc7#
- 2.Red4#
- 1...Be7+
- 2.Sxe7#
- 1...Bxe4
- 2.Sf4#
- 2.Sc7#
- 1...dxc6
- 2.Sf4#
- 2.Sc7#
- 2.Rcd4#
- 1...dxe6
- 2.Red4#
- 2.Qxe6#
- 1...d1Q
- 2.Sf4#
- 2.Sc7#
- 1...d1R
- 2.Sf4#
- 2.Sc7#
- 1...Sf4
- 2.Sxf4#
- 2.Sc7#
- 2.Red4#
- 1...Sc7
- 2.Sf4#
- 2.Sxc7#
- 2.Red4#
- 1...Bxf7!
- threat
- 1.Qxf8?
- threat
- 2.Se7#
- 1...dxc6
- 2.Rcd4#
- 1...Bxe4!
- threat
- 1.g4?
- 1...Be7+
- 2.Sxe7#
- 1...Bxe4
- 2.Qxe4#
- 1...dxc6
- 2.Rcd4#
- 1...dxe6
- 2.Red4#
- 1...d1Q
- 2.Qxd1#
- 1...d1S
- 2.Qxd1#
- 1...d1B
- 2.Qxd1#
- 1...d1R
- 2.Qxd1#
- 1...Bf5
- 2.Qxf5#
- 1...Bf7
- 2.Qf5#
- 1...Be8
- 2.Qf5#
- 1...Sg1
- 2.Sf4#
- 1...Sf2
- 2.Sf4#
- 1...Sf4
- 2.Sxf4#
- 1...Sg5
- 2.Sf4#
- 1...Sb6
- 2.Sc7#
- 1...Sc7
- 2.Sxc7#
- 1...e2
- 2.Qd3#
- 1...a4
- 2.Sb4#
- 1...hxg4!
- 1...Be7+
- 1.Kc8?
- Keys
- 1.Rb4!
- threat
- 2.Re5#
- 1...Be7+
- 2.Sxe7#
- 1...Kxc6
- 2.Rec4#
- 1...Bxe4
- 2.Qxe4#
- 1...axb4
- 2.Sxb4#
- 1...dxc6
- 2.Rbd4#
- threat
- 1.Rb4!
FEATURES
- Static
- TYPE = BLOCK_THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 16
- Sets
- B(h);OGATE,P_SPINB(h),XR(D)::QAB1(A),XB(h)
- B(h);N_GUARD::QAR2(A),XB(h)
- B(h);N_GUARD::QAR2(A)
- B(n);CHECK,N_GUARD::S(F),XB(n)
- S(c);N_GUARD::S(G)
- S(c);N_GUARD::S(G),XS(c)
- S(m);N_GUARD::S(G)
- S(m);N_GUARD::S(G),XS(m)
- P(a);OGATEB::QAR(A),XQ(a)
- P(a);OGATEB::QAR(A),XS(a)
- P(a);OGATEB::QAR(A),XB(a)
- P(a);OGATEB::QAR(A),XR(a)
- P(b);OGATE::QAR2(A)
- P(d);N_GUARD::S(F)
- P(j);SBLOCK,XS(F)::R1(C)
- P(j);SBLOCK,XS(G)::QAB(A)+R(D),DCHECK
- Tries
- Try
- K(H);P-FLIGHT
- Vars
- B(h);OGATE,P_SPINB(h),XR(D)::QAB1(A),XB(h)
- P(j);SBLOCK,XS(F)::R1(C)
- P(j);SBLOCK,XS(G)::QAB(A)+R(D),DCHECK
- P(a);OGATEB::QAR(A),XQ(a)
- P(a);OGATEB::QAR(A),XS(a)
- P(a);OGATEB::QAR(A),XB(a)
- P(a);OGATEB::QAR(A),XR(a)
- B(h);N_GUARD::QAR2(A),XB(h)
- B(h);N_GUARD::QAR2(A)
- B(n);N_GUARD::S(F),XB(n)
- S(c);N_GUARD::S(G)
- S(c);N_GUARD::S(G),XS(c)
- S(m);N_GUARD::S(G),XS(m)
- P(b);OGATE::QAR2(A)
- P(d);N_GUARD::S(F)
- Refutation
- S(m);CHECK
- Try
- S(G);XP(k)
- Threat
- QAB(A)+R(D),DCHECK
- Vars
- B(n);CHECK,N_GUARD::S(F),XB(n)
- B(h);OGATE,P_SPINB(h),XR(D)::QAB1(A),XB(h)
- B(n);N_GUARD,XS(G)::S(F)
- Refutation
- P(j);XS(F)
- Try
- S(G);XB(n)
- Threat
- DUALS(2)
- Vars
- B(h);OGATE,P_SPINB(h),XR(D)::QAB1(A),XB(h)
- Refutation
- P(j);XS(F)
- Try
- R(C);
- Threat
- QAB(A)+R(D),DCHECK
- Vars
- B(n);CHECK,N_GUARD::S(F),XB(n)
- P(j);SBLOCK,XS(F)::R(C)
- Refutation
- B(h);P_SPINB(h),XR(D)
- Try
- R(C);
- Threat
- QAB(A)+R(D),DCHECK
- Vars
- B(n);CHECK,N_GUARD::S(F),XB(n)
- B(h);OGATE,P_SPINB(h),XR(D)::QAB1(A),XB(h)
- P(j);SBLOCK,XS(F)::R1(C)
- Refutation
- K(e);S_FLIGHT,XS(F)
- Try
- R(D);CHECK,XP(b)
- Vars
- B(h);N_GUARD,P_SPINB(h)::QAB1(A),XB(h)
- Refutation
- K(e);S_FLIGHT,XR(C)
- Try
- R(D);CHECK
- Vars
- B(h);N_GUARD,P_SPINB(h)::QAB1(A),XB(h)
- Refutation
- K(e);S_FLIGHT,XS(G)
- Try
- R(D);CHECK
- Vars
- B(h);N_GUARD,P_SPINB(h)::QAB1(A),XB(h)
- Refutation
- K(e);S_FLIGHT,XS(G)
- Try
- Q(A);
- Threat
- QAR2(A)
- Vars
- B(n);CHECK,N_GUARD::S(F),XB(n)
- P(a);OGATEB::QAR(A),XQ(a)
- P(a);OGATEB::QAR(A),XR(a)
- S(c);N_GUARD::S(G)
- S(c);N_GUARD::S(G),XS(c)
- Refutation
- B(h);XR(D)
- Try
- Q(A);
- Threat
- R1(D)
- Vars
- B(n);CHECK,N_GUARD::S(F),XB(n)
- B(h);OGATE,XR(D)::QAB1(A),XB(h)
- P(j);SBLOCK,XS(F)::R1(C)
- P(a);OGATEB::QAR(A),XQ(a)
- P(a);OGATEB::QAR(A),XR(a)
- B(h);N_GUARD::QAR2(A),XB(h)
- Refutation
- P(f);XQ(A)
- Try
- Q(A);
- Threat
- DUALS(3)
- Vars
- B(n);CHECK,N_GUARD::S(F),XB(n)
- Refutation
- B(h);XQ(A)
- Try
- Q(A);XB(n)
- Threat
- S(F)
- Vars
- P(j);SBLOCK,XS(F)::R1(C)
- Refutation
- B(h);XR(D)
- Try
- P(B);
- Vars
- B(n);CHECK,N_GUARD::S(F),XB(n)
- B(h);OGATE,P_SPINB(h),XR(D)::QAB1(A),XB(h)
- P(j);SBLOCK,XS(F)::R1(C)
- P(j);SBLOCK,XS(G)::QAB(A)+R(D),DCHECK
- P(a);OGATEB::QAR(A),XQ(a)
- P(a);OGATEB::QAR(A),XS(a)
- P(a);OGATEB::QAR(A),XB(a)
- P(a);OGATEB::QAR(A),XR(a)
- B(h);N_GUARD::QAR2(A),XB(h)
- B(h);N_GUARD::QAR2(A)
- S(c);N_GUARD::S(G)
- S(c);N_GUARD::S(G),XS(c)
- S(m);N_GUARD::S(G)
- S(m);N_GUARD::S(G),XS(m)
- P(b);OGATE::QAR2(A)
- P(d);N_GUARD::S(F)
- Refutation
- P(f);XP(B)
- Try
- Actual
- R(C);
- Threat
- QAB(A)+R(D),DCHECK
- Vars
- B(n);CHECK,N_GUARD::S(F),XB(n)
- K(e);S_FLIGHT,XS(F)::QAB(A)+R(D),DCHECK
- B(h);OGATE,P_SPINB(h),XR(D)::QAB1(A),XB(h)
- P(d);XR(C)::S(F),XP(d)
- P(j);SBLOCK,XS(F)::R1(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).