MESON Chess Problem Database
Problem Display
PID: 135194 (1B6/3Prbq1/2PR2P1/2pBk1nP/3N2Pb/K4p1r/1P1Q1N2/3n4 w - - 0 1)
Robert, Philippe
5th HM., Die Schwalbe, 2009
#2
13 + 10
| 23 | Die Schwalbe | 2012 |
SOLUTION
- SOUND
- Sets
- 1...Bxd5
- 2.Re6#
- 1...cxd4
- 2.Sd3#
- 1...Bxd5
- Tries
- 1.Sc2?
- threat
- 2.Sd3#
- 2.Re6#
- 1...Qxg6
- 2.Re6#
- 2.Rxg6#
- 1...Bxf2
- 2.Re6#
- 2.Qxg5#
- 1...Bxg6
- 2.Re6#
- 2.Rxg6#
- 1...Sxb2
- 2.Re6#
- 1...Sxf2
- 2.Re6#
- 1...Re6
- 2.Rxe6#
- 1...Be6
- 2.Rxe6#
- 1...Se6
- 2.Rxe6#
- 1...c4
- 2.Re6#
- 2.Qd4#
- 1...Bxd5!
- threat
- 1.Se2?
- threat
- 2.Sd3#
- 2.Re6#
- 2.Qf4#
- 1...Qxg6
- 2.Re6#
- 2.Rxg6#
- 2.Qf4#
- 1...Bxf2
- 2.Re6#
- 2.Qf4#
- 2.Qxg5#
- 1...Bxd5
- 2.Qf4#
- 2.Qxd5#
- 1...Bxg6
- 2.Re6#
- 2.Rxg6#
- 2.Qf4#
- 1...Sxb2
- 2.Re6#
- 2.Qc3#
- 2.Qf4#
- 2.Qxb2#
- 1...Sxf2
- 2.Re6#
- 2.Qc3#
- 2.Qf4#
- 1...Re6
- 2.Rxe6#
- 2.Qf4#
- 1...Be6
- 2.Rxe6#
- 2.Qf4#
- 1...Se6
- 2.Rxe6#
- 1...Qf6
- 2.Sd3#
- 2.Re6#
- 1...Bg3
- 2.Sd3#
- 2.Re6#
- 2.Qxg5#
- 1...Se3
- 2.Sd3#
- 2.Re6#
- 2.Qc3#
- 1...c4
- 2.Re6#
- 2.Qf4#
- 2.Qd4#
- 1...fxe2+!
- threat
- 1.Sb3?
- threat
- 2.Sd3#
- 2.Re6#
- 1...Qxg6
- 2.Re6#
- 2.Rxg6#
- 1...Bxf2
- 2.Re6#
- 2.Qxg5#
- 1...Bxg6
- 2.Re6#
- 2.Rxg6#
- 1...Sxb2
- 2.Re6#
- 1...Sxf2
- 2.Re6#
- 1...Re6
- 2.Rxe6#
- 1...Be6
- 2.Rxe6#
- 1...Se6
- 2.Rxe6#
- 1...c4
- 2.Re6#
- 2.Qd4#
- 1...Bxd5!
- threat
- 1.Sxf3+?
- 1...Sxf3
- 2.Re6#
- 1...Rxf3+!
- 1...Sxf3
- 1.Sb5?
- threat
- 2.Sd3#
- 2.Re6#
- 1...Qxg6
- 2.Re6#
- 2.Rxg6#
- 1...Bxf2
- 2.Re6#
- 2.Qxg5#
- 1...Bxg6
- 2.Re6#
- 2.Rxg6#
- 1...Sxb2
- 2.Re6#
- 1...Sxf2
- 2.Re6#
- 1...Re6
- 2.Rxe6#
- 1...Be6
- 2.Rxe6#
- 1...Se6
- 2.Rxe6#
- 1...c4
- 2.Re6#
- 2.Qd4#
- 1...Bxd5!
- threat
- 1.Sf5?
- threat
- 2.Sd3#
- 2.Re6#
- 1...Bxf2
- 2.Re6#
- 1...Sxb2
- 2.Re6#
- 1...Sxf2
- 2.Re6#
- 1...Re6
- 2.Rxe6#
- 1...Be6
- 2.Rxe6#
- 1...Se6
- 2.Rxe6#
- 1...c4
- 2.Re6#
- 2.Qd4#
- 1...Bxd5!
- threat
- 1.Bc4?
- threat
- 2.Re6#
- 1...Re6
- 2.Rxe6#
- 1...Be6
- 2.Rxe6#
- 1...Se6
- 2.Rxe6#
- 1...Bxc4!
- threat
- 1.Be4?
- threat
- 2.Re6#
- 1...Sxe4
- 2.Sd3#
- 1...Re6
- 2.Rxe6#
- 1...Be6
- 2.Rxe6#
- 1...Se6
- 2.Rxe6#
- 1...cxd4!
- threat
- 1.Rf6+?
- 1...Kxf6
- 2.Qf4#
- 1...Kxd5!
- 1...Kxf6
- 1.Qe1+?
- 1...Kxd4
- 2.Be6#
- 2.Bxf7#
- 1...Kf4
- 2.Rf6#
- 1...Se4
- 2.Qxe4#
- 1...Se3!
- 1...Kxd4
- 1.Qe3+?
- 1...Se4
- 2.Sd3#
- 2.Qxe4#
- 1...Sxe3!
- 1...Se4
- 1.Qxg5+?
- 1...Kxd4
- 2.Be6#
- 2.Bxf7#
- 1...Bxg5!
- 1...Kxd4
- 1.Sc2?
- Keys
- 1.Se6!
- threat
- 2.Qf4#
- 1...Kf6
- 2.Qf4#
- 1...Rxe6
- 2.Rxe6#
- 1...Bxe6
- 2.Rxe6#
- 1...Sxe6
- 2.Rxe6#
- 1...Qf6
- 2.Sd3#
- 1...Bg3
- 2.Qxg5#
- 1...Se3
- 2.Qc3#
- threat
- 1.Se6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 7
- REMOVED MATES = 2
- Sets
- B(i);SBLOCK,XB(G)::B(M)+R(J),DCHECK
- P(e);SBLOCK,XS(E)::S(C)
- Tries
- Try
- S(E);
- Threat
- DUALS(2)
- Vars
- S(a);XP(A)::B(M)+R(J),DCHECK
- S(a);XS(C)::B(M)+R(J),DCHECK
- R(h);::B(M)+R(J),DCHECK,XR(h)
- B(i);::B(M)+R(J),DCHECK,XB(i)
- S(g);::B(M)+R(J),DCHECK,XS(g)
- Refutation
- B(i);XB(G)
- Try
- S(E);
- Threat
- DUALS(3)
- Vars
- S(g);::B(M)+R(J),DCHECK,XS(g)
- Refutation
- P(b);CHECK,XS(E)
- Try
- S(E);
- Threat
- DUALS(2)
- Vars
- S(a);XP(A)::B(M)+R(J),DCHECK
- S(a);XS(C)::B(M)+R(J),DCHECK
- R(h);::B(M)+R(J),DCHECK,XR(h)
- B(i);::B(M)+R(J),DCHECK,XB(i)
- S(g);::B(M)+R(J),DCHECK,XS(g)
- Refutation
- B(i);XB(G)
- Try
- S(E);CHECK,P_SPINS(E),XP(b)
- Vars
- S(g);XS(E)::B(M)+R(J),DCHECK
- Refutation
- R(c);CHECK,XS(E)
- Try
- S(E);
- Threat
- DUALS(2)
- Vars
- S(a);XP(A)::B(M)+R(J),DCHECK
- S(a);XS(C)::B(M)+R(J),DCHECK
- R(h);::B(M)+R(J),DCHECK,XR(h)
- B(i);::B(M)+R(J),DCHECK,XB(i)
- S(g);::B(M)+R(J),DCHECK,XS(g)
- Refutation
- B(i);XB(G)
- Try
- S(E);
- Threat
- DUALS(2)
- Vars
- B(d);XS(C)::B(M)+R(J),DCHECK
- S(a);XP(A)::B(M)+R(J),DCHECK
- S(a);XS(C)::B(M)+R(J),DCHECK
- R(h);::B(M)+R(J),DCHECK,XR(h)
- B(i);::B(M)+R(J),DCHECK,XB(i)
- S(g);::B(M)+R(J),DCHECK,XS(g)
- Refutation
- B(i);XB(G)
- Try
- B(G);
- Threat
- B(M)+R(J),DCHECK
- Vars
- R(h);::B(M)+R(J),DCHECK,XR(h)
- B(i);::B(M)+R(J),DCHECK,XB(i)
- S(g);::B(M)+R(J),DCHECK,XS(g)
- Refutation
- B(i);XB(G)
- Try
- B(G);
- Threat
- B(M)+R(J),DCHECK
- Vars
- S(g);SBLOCK,XB(G)::S(C)
- R(h);::B(M)+R(J),DCHECK,XR(h)
- B(i);::B(M)+R(J),DCHECK,XB(i)
- S(g);::B(M)+R(J),DCHECK,XS(g)
- Refutation
- P(e);XS(E)
- Try
- R(J);CHECK
- Vars
- K(f);S_FLIGHT,XR(J)::QAR2(B)
- Refutation
- K(f);P-FLIGHT,XB(G)
- Try
- Q(B);CHECK
- Vars
- K(f);S_FLIGHT::B(M)+R(J),DCHECK
- S(g);N_GUARD,P_SPINS(g)::QAR1(B),XS(g)
- Refutation
- S(a);P_SPINS(a)
- Try
- Q(B);CHECK
- Refutation
- S(a);XQ(B)
- Try
- Q(B);CHECK,XS(g)
- Refutation
- B(d);XQ(B)
- Try
- Actual
- S(E);
- Threat
- QAB1(B)
- Vars
- K(f);S_FLIGHT::QAR2(B)
- R(h);OGATE,XS(E)::B(M)+R(J),DCHECK,XR(h)
- B(i);OGATE,XS(E)::B(M)+R(J),DCHECK,XB(i)
- S(g);OGATE,XS(E)::B(M)+R(J),DCHECK,XS(g)
- Q(j);SBLOCK::S(C)
- B(d);N_GUARD::QAR2(B),XS(g)
- S(a);N_GUARD::QAB(B)
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