MESON Chess Problem Database
Problem Display
PID: 199430 (q2r4/p2R1p1n/1pQ5/4N3/1r3R1b/2P1k2N/5n2/1B1bK1B1 w - - 0 1)
Barth, Michael
Freie Presse, 2001
(First published on Fri Oct 26 2001)
#2
9 + 11
| 16210 | Problemschach-Jahrbuch (2001) | 2002 |
SOLUTION
- SOUND
- Sets
- 1...Rxb1
- 2.Sc4#
- 2.Re4#
- 1...Rb2
- 2.Sc4#
- 2.Re4#
- 1...Rb3
- 2.Sc4#
- 2.Re4#
- 1...Rc4
- 2.Sxc4#
- 1...Re4
- 2.Rxe4#
- 1...Rb5
- 2.Sc4#
- 2.Re4#
- 1...Rb8
- 2.Rd3#
- 1...Rc8
- 2.Rd3#
- 1...Re8
- 2.Rd3#
- 1...Rf8
- 2.Rd3#
- 1...Rg8
- 2.Rd3#
- 1...Rh8
- 2.Rd3#
- 1...Bc2
- 2.Sg4#
- 2.Rf3#
- 1...Bb3
- 2.Sg4#
- 2.Rf3#
- 1...Bf3
- 2.Rxf3#
- 1...Ba4
- 2.Sg4#
- 2.Rf3#
- 1...Bg4
- 2.Sxg4#
- 1...Bg5
- 2.Bxf2#
- 1...Bf6
- 2.Bxf2#
- 1...Be7
- 2.Bxf2#
- 1...Rxb1
- Tries
- 1.Rxb4?
- threat
- 2.Sc4#
- 2.Re4#
- 1...Bc2
- 2.Sc4#
- 2.Sg4#
- 1...Be2
- 2.Re4#
- 1...Bb3
- 2.Sg4#
- 2.Re4#
- 1...Bf3
- 2.Sc4#
- 1...Sg5
- 2.Sc4#
- 1...Sf6
- 2.Sc4#
- 1...b5
- 2.Re4#
- 2.Qc5#
- 1...f5
- 2.Sc4#
- 1...Qxc6!
- threat
- 1.Rxh4?
- threat
- 2.Bxf2#
- 1...Rb2
- 2.Sc4#
- 2.Re4#
- 1...Rf4!
- threat
- 1.Qc5+?
- 1...Rd4
- 2.Sc4#
- 2.Qxd4#
- 1...bxc5!
- 1...Rd4
- 1.Qxb6+?
- 1...Rd4
- 2.Sc4#
- 2.Qxd4#
- 1...Rxb6
- 2.Sc4#
- 1...axb6!
- 1...Rd4
- 1.Qh6?
- threat
- 2.Rf3#
- 2.Re4#
- 1...Rxb1
- 2.Sc4#
- 1...Rxf4
- 2.Qxf4#
- 1...Qf3
- 2.Rxf3#
- 2.Re4#
- 1...Qe4
- 2.Rf3#
- 2.Rxe4#
- 1...Re4
- 2.Rf3#
- 2.Rxe4#
- 1...Bc2
- 2.Sg4#
- 1...Bf3
- 2.Rxf3#
- 2.Re4#
- 1...Bg5
- 2.Bxf2#
- 1...Sg5!
- threat
- 1.cxb4?
- threat
- 2.Sc4#
- 2.Re4#
- 2.Qc1#
- 2.Qc3#
- 1...Rxd7
- 2.Sc4#
- 2.Re4#
- 1...Qc8
- 2.Sc4#
- 2.Re4#
- 2.Qe4#
- 1...Rc8
- 2.Sc4#
- 2.Re4#
- 2.Rd3#
- 1...Bc2
- 2.Sc4#
- 2.Sg4#
- 2.Rf3#
- 1...Be2
- 2.Re4#
- 2.Qc1#
- 1...Bb3
- 2.Sg4#
- 2.Rf3#
- 2.Re4#
- 2.Qc1#
- 2.Qc3#
- 1...Bf3
- 2.Sc4#
- 2.Rxf3#
- 2.Qc1#
- 2.Qc3#
- 1...Sg5
- 2.Sc4#
- 2.Qc1#
- 2.Qc3#
- 1...Sf6
- 2.Sc4#
- 2.Qc1#
- 2.Qc3#
- 1...b5
- 2.Re4#
- 2.Qc1#
- 2.Qc3#
- 2.Qc5#
- 1...f5
- 2.Sc4#
- 2.Qc1#
- 2.Qc3#
- 1...Qxc6!
- threat
- 1.Rxb4?
- Keys
- 1.Re7!
- threat
- 2.Sc4#
- 2.Sg4#
- 1...Rxb1
- 2.Re4#
- 1...Bxe7
- 2.Bxf2#
- 1...Rc4
- 2.Sxc4#
- 2.Sg4#
- 1...Re4
- 2.Sc4#
- 2.Rxe4#
- 1...Bc2
- 2.Rf3#
- 1...Bg4
- 2.Sc4#
- 2.Sxg4#
- threat
- 1.Re7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 12
- Sets
- R(d);N_GUARD::S(G),XR(d)
- R(d);N_GUARD::R1(F),XR(d)
- R(k);N_GUARD::R1(I)
- B(a);N_GUARD::R1(F),XB(a)
- B(a);N_GUARD::S(G),XB(a)
- B(e);N_GUARD::B(C),XS(b)
- Tries
- Try
- R(F);XR(d)
- Threat
- DUALS(2)
- Vars
- B(a);::R1(F)
- B(a);::S(G)
- S(i);::S(G)
- P(h);::S(G)
- Refutation
- Q(j);XQ(H)
- Try
- R(F);XB(e)
- Threat
- B(C),XS(b)
- Refutation
- R(d);
- Try
- Q(H);CHECK
- Refutation
- P(f);XQ(H)
- Try
- Q(H);CHECK,XP(f)
- Vars
- R(d);XQ(H)::S(G)
- Refutation
- P(g);XQ(H)
- Try
- Q(H);
- Threat
- DUALS(2)
- Vars
- R(d);N_GUARD,XB(A)::S(G)
- R(d);OGATE,P_SPINR(d),XR(F)::QAB1(H),XR(d)
- B(a);N_GUARD::S(G)
- B(e);N_GUARD::B(C),XS(b)
- Refutation
- S(i);
- Try
- P(D);XR(d)
- Threat
- DUALS(4)
- Refutation
- Q(j);XQ(H)
- Try
- Actual
- R(I);
- Threat
- DUALS(2)
- Vars
- R(d);N_GUARD,XB(A)::R1(F)
- B(e);N_GUARD,XR(I)::B(C),XS(b)
- B(a);N_GUARD::R1(F)
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