MESON Chess Problem Database
Problem Display
PID: 163317 (4Q2K/8/4pp2/3P1kNp/8/3q1NPP/2R3P1/1B6 w - - 0 1)
Ahues, Herbert Siegfried Oskar
stern, 1995
(First published on Thu Nov 16 1995)
#2
10 + 5
| 15601 | Albrecht-Leiss-Degener Collection | 2017 |
SOLUTION
- SOUND
- Sets
- 1...Qxc2
- 2.Bxc2#
- 1...Qe2
- 2.Rxe2#
- 1...Qc4
- 2.Rxc4#
- 1...Qa6
- 2.Rc4#
- 1...Qd2
- 2.Rxd2#
- 1...Qa3
- 2.Rc3#
- 1...Qc3
- 2.Rxc3#
- 1...Qxd5
- 2.Rc5#
- 1...fxg5
- 2.Qxe6#
- 1...Qxc2
- Tries
- 1.Kg7?
- threat
- 2.Qg6#
- 2.Qxe6#
- 1...Qxd5
- 2.Rc5#
- 2.Qg6#
- 1...exd5
- 2.Qg6#
- 2.Qd7#
- 2.Qe6#
- 2.Qc8#
- 1...Qe2
- 2.Rxe2#
- 2.Qg6#
- 1...Qe4
- 2.Qg6#
- 1...Qa6
- 2.Rc4#
- 2.Qg6#
- 1...Qe3
- 2.Qg6#
- 1...e5
- 2.Qg6#
- 2.Qd7#
- 2.Qe6#
- 2.Qc8#
- 1...Qxf3!
- threat
- 1.Kh7?
- threat
- 2.Qg6#
- 2.Qxe6#
- 1...Qxd5
- 2.Rc5#
- 2.Qg6#
- 1...exd5
- 2.Qg6#
- 2.Qd7#
- 2.Qe6#
- 2.Qc8#
- 1...Qe2
- 2.Rxe2#
- 2.Qg6#
- 1...Qe4
- 2.Qg6#
- 1...Qa6
- 2.Rc4#
- 2.Qg6#
- 1...Qe3
- 2.Qg6#
- 1...e5
- 2.Qg6#
- 2.Qd7#
- 2.Qe6#
- 2.Qc8#
- 1...Qxf3!
- threat
- 1.Rc4?
- threat
- 2.Bxd3#
- 2.Rf4#
- 1...Qxb1
- 2.Rf4#
- 1...fxg5
- 2.Qf7#
- 2.Qxe6#
- 1...Qc2
- 2.Bxc2#
- 2.Rf4#
- 1...Qe4
- 2.Bxe4#
- 1...e5!
- threat
- 1.Rc5?
- threat
- 2.Bxd3#
- 2.dxe6#
- 1...Qxb1
- 2.dxe6#
- 1...exd5
- 2.Bxd3#
- 2.Rxd5#
- 1...fxg5
- 2.Qxe6#
- 1...Qc2
- 2.Bxc2#
- 2.dxe6#
- 1...Qe4
- 2.Bxe4#
- 2.dxe6#
- 1...e5!
- threat
- 1.Qd7?
- threat
- 2.Qh7#
- 1...Kg6
- 2.Qh7#
- 1...fxg5
- 2.Qxe6#
- 1...Qxf3!
- threat
- 1.Qe7?
- threat
- 2.Qh7#
- 1...Kg6
- 2.Qh7#
- 1...fxg5
- 2.Qxe6#
- 1...Qxf3!
- threat
- 1.Qg8?
- threat
- 2.Qh7#
- 1...fxg5
- 2.Qxe6#
- 1...Qxf3!
- threat
- 1.dxe6?
- threat
- 2.Rc5#
- 1...Qxc2
- 2.Bxc2#
- 1...Qc4
- 2.Rxc4#
- 1...Qc3
- 2.Rxc3#
- 1...fxg5!
- threat
- 1.Kg7?
- Keys
- 1.Sf7!
- threat
- 2.Sd6#
- 1...Ke4
- 2.Qxe6#
- 1...Kg6
- 2.Sh4#
- 1...Qxf3
- 2.Rf2#
- 1...Qxd5
- 2.Rc5#
- 1...Qa6
- 2.Rc4#
- 1...Qa3
- 2.Rc3#
- threat
- 1.Sf7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 6
- Sets
- Q(a);OGATE,P_SPINQ(a),XR(B)::B(A),XQ(a)
- Q(a);OGATEB::B(A)+R(B),XQ(a)
- Q(a);OGATEB::B(A)+R(B)
- Q(a);OGATEB,XP(G)::B(A)+R(B)
- P(e);XS(H)::QAB1(I),XP(d)
- Tries
- Try
- K(J);S_FLIGHT
- Threat
- DUALS(2)
- Vars
- Q(a);::QAB1(I)
- Refutation
- Q(a);XS(D)
- Try
- K(J);P-FLIGHT
- Threat
- DUALS(2)
- Vars
- Q(a);::QAB1(I)
- Refutation
- Q(a);XS(D)
- Try
- R(B);P_PINQ(a)
- Threat
- DUALS(2)
- Vars
- Q(a);N_SPINQ(a),XB(A)::R1(B)
- Q(a);OGATE::B(A),XQ(a)
- Refutation
- P(d);
- Try
- R(B);P_PINQ(a)
- Threat
- DUALS(2)
- Vars
- Q(a);N_SPINQ(a),XB(A)::R(B)+P(G),XP(d)
- P(e);XS(H)::QAB1(I),XP(d)
- Refutation
- P(d);
- Try
- Q(I);P_PINP(d)
- Threat
- QAB(I)
- Vars
- K(b);N_SPINP(d),S_FLIGHT::QAB1(I)
- P(e);XS(H)::QAB1(I),XP(d)
- Refutation
- Q(a);XS(D)
- Try
- Q(I);
- Threat
- QAB(I)
- Vars
- K(b);S_FLIGHT::QAB1(I)
- P(e);XS(H)::QAB1(I),XP(d)
- Refutation
- Q(a);XS(D)
- Try
- Q(I);
- Threat
- QAB(I)
- Vars
- P(e);XS(H)::QAB1(I),XP(d)
- Refutation
- Q(a);XS(D)
- Try
- P(G);XP(d)
- Threat
- R(B)
- Vars
- Q(a);OGATE,P_SPINQ(a),XR(B)::B(A),XQ(a)
- Q(a);OGATEB::B(A)+R(B),XQ(a)
- Refutation
- P(e);XS(H)
- Try
- Actual
- S(H);
- Threat
- S(H)
- Vars
- K(b);P_SPINP(d),S_FLIGHT::QAR2(I),XP(d)
- K(b);S_FLIGHT::S(D)
- Q(a);OGATEB,XS(D)::B(A)+R(B)
- Q(a);OGATEB,XP(G)::B(A)+R(B)
- Q(a);OGATEB::B(A)+R(B)
Developed and maintained by Brian Stephenson.
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CSS/Javascript (jQuery, Bootstrap & DataTables).