MESON Chess Problem Database
Problem Display
PID: 67371 (8/8/R2N4/npkpp3/1r6/qbP1N3/2R2B1p/3Q1B1K w - - 0 1)
Reddmann, Hauke
3rd Prize, Die Schwalbe, 2006
#2
9 + 9
| 23 | Die Schwalbe | 2007 |
| 14475 | Mat Plus Review | 2007 |
SOLUTION
- SOUND
- Sets
- 1...Rc4
- 2.Qxd5#
- 1...Bxc2
- 2.Qxd5#
- 1...Ba4
- 2.Qxd5#
- 1...Bc4
- 2.Sxd5#
- 1...Sc4
- 2.Sb7#
- 2.Qxd5#
- 1...Sc6
- 2.Sb7#
- 1...Sb7
- 2.Sxb7#
- 1...d4
- 2.Se4#
- 2.cxd4#
- 1...Rc4
- Tries
- 1.Sdc4?
- threat
- 2.Sxd5#
- 2.Qxd5#
- 1...Rxc4
- 2.Qxd5#
- 1...Bxc4
- 2.Sxd5#
- 1...Sxc4
- 2.Qxd5#
- 1...bxc4
- 2.Qxd5#
- 1...dxc4
- 2.Sg2#
- 2.Sxc4#
- 2.Sg4#
- 2.Sd5#
- 2.Sf5#
- 2.Qd5#
- 2.Qd6#
- 1...Qc1
- 2.Qxd5#
- 1...Sc6
- 2.Qxd5#
- 1...e4
- 2.Qd4#
- 2.Qxd5#
- 1...d4!
- threat
- 1.Se4+?
- 1...dxe4
- 2.Qd6#
- 1...Rxe4!
- 1...dxe4
- 1.Bc4?
- threat
- 2.Sxd5#
- 2.Qxd5#
- 1...Rxc4
- 2.Qxd5#
- 1...Bxc4
- 2.Sxd5#
- 1...Sxc4
- 2.Sb7#
- 2.Qxd5#
- 1...dxc4
- 2.Sf1#
- 2.Sg2#
- 2.Sexc4#
- 2.Sg4#
- 2.Sd5#
- 2.Sef5#
- 2.Se4#
- 2.Qd5#
- 1...Sc6
- 2.Sb7#
- 2.Qxd5#
- 1...Qa1
- 2.Sxd5#
- 1...d4
- 2.Se4#
- 1...e4
- 2.Qd4#
- 2.Qxd5#
- 1...Qc1!
- threat
- 1.Sdc4?
- Keys
- 1.c4!
- threat
- 2.Sxd5#
- 2.Qxd5#
- 1...Rxc4
- 2.Sxd5#
- 1...Bxc2
- 2.Qxd5#
- 1...Bxc4
- 2.Qxd5#
- 1...dxc4
- 2.Sg2#
- 2.Sexc4#
- 2.Sg4#
- 2.Sd5#
- 2.Sef5#
- 2.Se4#
- 2.Qd5#
- 1...Ra4
- 2.Sxd5#
- 1...Sc6
- 2.Sb7#
- 2.Qxd5#
- 1...Qc1
- 2.Qxd5#
- 1...Qb2
- 2.Qxd5#
- 1...Qa1
- 2.Qxd5#
- 1...Ba2
- 2.Qxd5#
- 1...Ba4
- 2.Qxd5#
- 1...d4
- 2.Se4#
- 1...e4
- 2.Qxd5#
- threat
- 1.c4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 7
- REMOVED MATES = 2
- Sets
- R(d);S_CUTB(c)::QAR1(A),XP(h)
- B(c);N_GUARD,XR(D)::QAR1(A),XP(h)
- B(c);N_GUARD::QAR1(A),XP(h)
- B(c);S_CUTR(d)::B(E)+S(G),XP(h)
- S(e);N_GUARD::S(I)
- S(e);N_GUARD::S(I),XS(e)
- Tries
- Try
- S(I);
- Threat
- DUALS(2)
- Vars
- R(d);XS(I)::QAR1(A),XP(h)
- B(c);XS(I)::B(E)+S(G),XP(h)
- S(e);XS(I)::QAR1(A),XP(h)
- P(f);XS(I)::QAR1(A),XP(h)
- Q(b);::QAR1(A),XP(h)
- S(e);::QAR1(A),XP(h)
- Refutation
- P(h);
- Try
- S(I);CHECK
- Vars
- P(h);OGATE,XS(I)::QAB1(A)
- Refutation
- R(d);XS(I)
- Try
- B(B);
- Threat
- DUALS(2)
- Vars
- R(d);XB(B)::QAR1(A),XP(h)
- B(c);XB(B)::B(E)+S(G),XP(h)
- Q(b);P_PINQ(A)::B(E)+S(G),XP(h)
- P(h);N_GUARD::S(I)
- Refutation
- Q(b);P_PINQ(A)
- Try
- Actual
- P(F);
- Threat
- DUALS(2)
- Vars
- R(d);P_SPINR(d),XP(F)::B(E)+S(G),XP(h)
- B(c);XR(D)::QAR1(A),XP(h)
- B(c);P_SPINB(c),XP(F)::QAR1(A),XP(h)
- R(d);::B(E)+S(G),XP(h)
- Q(b);::QAR1(A),XP(h)
- B(c);::QAR1(A),XP(h)
- P(h);N_GUARD::S(I)
- P(i);::QAR1(A),XP(h)
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