MESON Chess Problem Database
Problem Display
PID: 30253 (2qrBbK1/2Bp2p1/NQ4R1/1N5b/p1k1P3/3R2r1/1PP1n3/8 w - - 0 1)
Savournin, Jacques
4th HM., Die Schwalbe, 2001
#2
11 + 10
| 23 | Die Schwalbe | 2004 |
SOLUTION
- SOUND
- Sets
- 1...Ba3
- 2.Sxa3#
- 1...Bc5
- 2.Qxc5#
- 1...Bd6
- 2.Sxd6#
- 1...Sc1
- 2.Rd4#
- 1...Sg1
- 2.Rd4#
- 1...Sc3
- 2.Rd4#
- 1...Sd4
- 2.Rxd4#
- 1...Sf4
- 2.Rd4#
- 1...a3
- 2.b3#
- 1...d6
- 2.Sa3#
- 2.Qc6#
- 1...Ba3
- Tries
- 1.Bd6?
- threat
- 2.Sa3#
- 2.Bf7#
- 1...Rxg6
- 2.Sa3#
- 1...Rxe8
- 2.Sa3#
- 1...Bxg6
- 2.Sa3#
- 1...Bxd6
- 2.Sxd6#
- 1...Qb7
- 2.Sa3#
- 2.Qc5#
- 1...Qc5
- 2.Qxc5#
- 1...Qc6
- 2.Sa3#
- 1...Qa8
- 2.Sa3#
- 2.Qc5#
- 1...Rf3
- 2.Sa3#
- 1...Rg5
- 2.Sa3#
- 1...Bg4
- 2.Sa3#
- 1...Be7
- 2.Sa3#
- 1...Sc3
- 2.Sa3#
- 2.Rd4#
- 1...Sd4
- 2.Sa3#
- 2.Rxd4#
- 1...Sf4
- 2.Sa3#
- 2.Rd4#
- 1...a3
- 2.Sxa3#
- 2.Bf7#
- 2.b3#
- 1...Rxd3!
- threat
- 1.Rdd6?
- threat
- 2.Bf7#
- 2.Qc5#
- 1...Qxc7
- 2.Bf7#
- 1...Rxg6
- 2.Sa3#
- 2.Qc5#
- 1...Rxe8
- 2.Qc5#
- 1...Bxg6
- 2.Qc5#
- 1...Bxd6
- 2.Sxd6#
- 1...Qb7
- 2.Qc5#
- 1...Qa8
- 2.Qc5#
- 1...Rd3
- 2.Qc5#
- 1...Rf3
- 2.Qc5#
- 1...Rg5
- 2.Sa3#
- 1...Bg4
- 2.Qc5#
- 1...Be7
- 2.Qc5#
- 1...Sc3
- 2.Sa3#
- 2.Rd4#
- 2.Qc5#
- 1...Sd4
- 2.Rxd4#
- 2.Qc5#
- 1...Sf4
- 2.Rd4#
- 2.Qc5#
- 1...Qxa6!
- threat
- 1.Rc6+?
- 1...Bc5
- 2.Sa3#
- 2.Sd6#
- 2.Rxc5#
- 2.Qxc5#
- 1...dxc6!
- 1...Bc5
- 1.Qd4+?
- 1...Kxb5
- 2.c4#
- 1...Sxd4!
- 1...Kxb5
- 1.Qc6+?
- 1...Bc5
- 2.Sa3#
- 2.Sd6#
- 2.Qxc5#
- 1...dxc6!
- 1...Bc5
- 1.Qd6?
- threat
- 2.Sa3#
- 2.Qd5#
- 1...Qxa6
- 2.Sa3#
- 1...Rxd3
- 2.Qxd3#
- 1...Bxd6
- 2.Sxd6#
- 1...Qb7
- 2.Sa3#
- 1...Qa8
- 2.Sa3#
- 1...Rg5
- 2.Sa3#
- 1...Sc3
- 2.Sa3#
- 1...Sf4
- 2.Sa3#
- 1...a3
- 2.Sxa3#
- 2.Qd5#
- 1...Kxb5!
- threat
- 1.Bd6?
- Keys
- 1.Rgd6!
- threat
- 2.Sa3#
- 2.Qc5#
- 1...Bf7+
- 2.Bxf7#
- 1...Qxa6
- 2.Sa3#
- 1...Qxc7
- 2.Sa3#
- 1...Rxd3
- 2.Qc5#
- 1...Bxd6
- 2.Sxd6#
- 1...Rg5
- 2.Sa3#
- 1...a3
- 2.Sxa3#
- 2.Qc5#
- 2.b3#
- threat
- 1.Rgd6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 8
- Sets
- B(j);N_GUARD,P_PINB(J)::S(E),XB(j)
- B(j);N_GUARD,P_PINB(J)::QAR1(G),XB(j)
- S(a);N_GUARD::R1(C)
- S(a);N_GUARD::R1(C),XS(a)
- P(c);N_GUARD::P(A)
- Tries
- Try
- B(I);
- Threat
- DUALS(2)
- Vars
- R(b);XR(H)::S(E)
- R(i);XB(J)::S(E)
- B(e);XR(H)::S(E)
- B(j);P_PINB(J),XB(I)::S(E),XB(j)
- Q(h);N_GUARD::QAR1(G),XQ(h)
- Q(h);::S(E)
- R(b);::S(E)
- B(e);::S(E)
- B(j);P_PINB(J)::S(E)
- Refutation
- R(b);XR(C)
- Try
- R(C);
- Threat
- DUALS(2)
- Vars
- Q(h);XB(I)::B(J)
- R(i);XB(J)::QAR1(G)
- B(e);XR(H)::QAR1(G)
- B(j);P_PINB(J),XR(C)::S(E),XB(j)
- Q(h);::QAR1(G)
- R(b);::QAR1(G)
- R(b);N_GUARD::S(E)
- B(e);::QAR1(G)
- B(j);P_PINB(J)::QAR1(G)
- Refutation
- Q(h);XS(F)
- Try
- R(H);CHECK
- Refutation
- P(f);XR(H)
- Try
- Q(G);CHECK
- Vars
- K(d);OGATE,P_SPINP(f),S_FLIGHT,XS(E)::P(B)
- Refutation
- S(a);XQ(G)
- Try
- Q(G);CHECK
- Refutation
- P(f);XQ(G)
- Try
- Q(G);
- Threat
- DUALS(2)
- Vars
- Q(h);XS(F)::S(E)
- R(b);OGATE,XR(C)::QAB1(G),XR(b)
- B(j);P_PINB(J),XQ(G)::S(E),XB(j)
- Q(h);::S(E)
- R(b);::S(E)
- S(a);::S(E)
- Refutation
- K(d);P_SPINP(f),S_FLIGHT,XS(E)
- Try
- Actual
- R(H);
- Threat
- DUALS(2)
- Vars
- B(e);CHECK,N_GUARD::B(J),XB(e)
- Q(h);XS(F)::S(E)
- Q(h);XB(I)::S(E)
- R(b);XR(C)::QAR1(G)
- B(j);P_PINB(J),XR(H)::S(E),XB(j)
- R(b);::S(E)
Developed and maintained by Brian Stephenson.
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