MESON Chess Problem Database
Problem Display
PID: 194823 (1QNr1q2/b2br3/4Pnp1/R3n2R/2PPpP2/4k3/4N1P1/BB2K3 w - - 0 1)
Witt, Andreas
Die Schwalbe, 2018
#2
13 + 10
SOLUTION
- SOUND
- Sets
- 1...Bxd4
- 2.Bxd4#
- 1...Sxc4
- 2.Rh3#
- 2.Qb3#
- 1...Seg4
- 2.Ra3#
- 2.Rh3#
- 2.Qb3#
- 1...Sc6
- 2.Ra3#
- 2.Rh3#
- 2.Qb3#
- 1...Sf7
- 2.Ra3#
- 2.Rh3#
- 2.Qb3#
- 1...Bxd4
- Tries
- 1.Rhxe5?
- threat
- 2.Ra3#
- 2.Qb3#
- 1...Rxe6
- 2.Qb3#
- 1...Bxd4
- 2.Bxd4#
- 1...Bxb8
- 2.Ra3#
- 1...Rf7
- 2.Qb3#
- 1...Rg7
- 2.Qb3#
- 1...Rh7
- 2.Qb3#
- 1...Ree8
- 2.Qb3#
- 1...Bc5
- 2.Qb3#
- 1...Bb6
- 2.Ra3#
- 1...Bb5
- 2.Ra3#
- 1...Sd5
- 2.Rxe4#
- 1...Ba4!
- threat
- 1.Qxe5?
- threat
- 2.Ra3#
- 2.Rh3#
- 1...Rxe6
- 2.Rh3#
- 1...Bxd4
- 2.Bxd4#
- 2.Rh3#
- 2.Qxd4#
- 1...Bxe6
- 2.Ra3#
- 1...Sxh5
- 2.Ra3#
- 2.Qxe4#
- 1...gxh5
- 2.Ra3#
- 1...Qh6
- 2.Ra3#
- 1...Qh8
- 2.Ra3#
- 1...Rf7
- 2.Rh3#
- 1...Rg7
- 2.Rh3#
- 1...Ree8
- 2.Rh3#
- 1...Bc5
- 2.Rh3#
- 1...Ba4
- 2.Rh3#
- 1...Sd5
- 2.Rh3#
- 2.Qxe4#
- 1...Rh7!
- threat
- 1.dxe5?
- threat
- 2.Ra3#
- 2.Rh3#
- 2.Qxa7#
- 2.Qb3#
- 1...Rxe6
- 2.Rh3#
- 2.Qb3#
- 1...Rxc8
- 2.Ra3#
- 2.Rh3#
- 2.Qb3#
- 1...Bxb8
- 2.Bd4#
- 2.Ra3#
- 2.Rh3#
- 1...Bxc8
- 2.Rh3#
- 1...Sxh5
- 2.Ra3#
- 2.Qxa7#
- 2.Qb3#
- 1...gxh5
- 2.Ra3#
- 2.Qxa7#
- 2.Qb3#
- 1...Qh6
- 2.Ra3#
- 2.Qxa7#
- 2.Qb3#
- 1...Qh8
- 2.Ra3#
- 2.Qxa7#
- 2.Qb3#
- 1...Rf7
- 2.Rh3#
- 2.Qb3#
- 1...Rg7
- 2.Rh3#
- 2.Qb3#
- 1...Rh7
- 2.Qb3#
- 1...Ree8
- 2.Rh3#
- 2.Qb3#
- 1...Bd4
- 2.Bxd4#
- 2.Rh3#
- 1...Bc5
- 2.Rh3#
- 2.Qb3#
- 1...Bb6
- 2.Ra3#
- 2.Rh3#
- 2.Qxb6#
- 1...Ba4
- 2.Rh3#
- 1...Bb5
- 2.Rh3#
- 1...Bc6
- 2.Rh3#
- 1...Be8
- 2.Rh3#
- 1...Sd5
- 2.Rh3#
- 1...Bxe6!
- threat
- 1.fxe5?
- threat
- 2.Ra3#
- 2.Rh3#
- 2.Qb3#
- 1...Rxe6
- 2.Rh3#
- 2.Qb3#
- 1...Bxd4
- 2.Bxd4#
- 2.Rh3#
- 1...Bxb8
- 2.Ra3#
- 2.Rh3#
- 1...Bxe6
- 2.Ra3#
- 2.Qb3#
- 1...Sxh5
- 2.Ra3#
- 2.Qb3#
- 1...gxh5
- 2.Ra3#
- 2.Qb3#
- 1...Qh6
- 2.Ra3#
- 2.Qb3#
- 1...Qh8
- 2.Ra3#
- 2.Qb3#
- 1...Rf7
- 2.Rh3#
- 2.Qb3#
- 1...Rg7
- 2.Rh3#
- 2.Qb3#
- 1...Rh7
- 2.Qb3#
- 1...Ree8
- 2.Rh3#
- 2.Qb3#
- 1...Bc5
- 2.Rh3#
- 2.Qb3#
- 1...Bb6
- 2.Ra3#
- 2.Rh3#
- 1...Ba4
- 2.Rh3#
- 1...Bb5
- 2.Ra3#
- 2.Rh3#
- 1...Sg4
- 2.Ra3#
- 2.Qb3#
- 1...Sh7
- 2.Ra3#
- 2.Qb3#
- 1...Se8
- 2.Ra3#
- 2.Qb3#
- 1...Sg8
- 2.Ra3#
- 2.Qb3#
- 1...Sd5!
- threat
- 1.Rhxe5?
- Keys
- 1.Raxe5!
- threat
- 2.Rh3#
- 2.Qb3#
- 1...Bxd4
- 2.Bxd4#
- 2.Rh3#
- 1...Bxb8
- 2.Rh3#
- 1...Bxe6
- 2.Qb3#
- 1...Sxh5
- 2.Rxe4#
- 2.Qb3#
- 1...gxh5
- 2.Qb3#
- 1...Qh6
- 2.Qb3#
- 1...Qh8
- 2.Qb3#
- 1...Rh7
- 2.Qb3#
- 1...Bb6
- 2.Rh3#
- 1...Ba4
- 2.Rh3#
- 1...Bb5
- 2.Rh3#
- 1...Sd5
- 2.Rxe4#
- 2.Rh3#
- threat
- 1.Raxe5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 9
- REMOVED MATES = 1
- Sets
- B(f);OGATE,XP(G)::B(A),XB(f)
- Tries
- Try
- R(J);P_PINP(b),XS(c)
- Threat
- DUALS(2)
- Vars
- R(h);XP(K)::QAR(L)
- B(f);OGATE,XP(G)::B(A),XB(f)
- B(f);XQ(L)::R(I)
- R(h);::QAR(L)
- B(f);::QAR(L)
- B(f);::R(I)
- B(g);::R(I)
- S(d);N_GUARD::R1(J),XP(b)
- Refutation
- B(g);
- Try
- Q(L);P_PINP(b),XS(c)
- Threat
- DUALS(2)
- Vars
- R(h);XP(K)::R(J)
- B(g);XP(K)::R(I)
- P(e);XR(J)::R(I)
- Q(j);::R(I)
- R(h);::R(J)
- B(f);::R(J)
- B(g);::R(J)
- Refutation
- R(h);
- Try
- P(G);XS(c)
- Threat
- DUALS(4)
- Vars
- B(g);XS(M)::R(J)
- R(h);::QAR(L)
- B(g);::R(J)
- S(d);::R(J)
- Refutation
- B(g);XP(K)
- Try
- P(H);XS(c)
- Threat
- DUALS(3)
- Vars
- R(h);::QAR(L)
- B(g);::R(J)
- Refutation
- S(d);
- Try
- Actual
- R(I);P_PINP(b),XS(c)
- Threat
- DUALS(2)
- Vars
- B(f);XQ(L)::R(J)
- B(g);XP(K)::QAR(L)
- P(e);XR(J)::QAR(L)
- Q(j);::QAR(L)
- R(h);::QAR(L)
- B(f);::R(J)
- B(g);::R(J)
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