MESON Chess Problem Database
Problem Display
PID: 176338 (2r5/q4p1Q/2R3P1/5Bp1/p2p1BKP/bN6/4k3/3N3R w - - 0 1)
Seidel, Manfred
Schach-Echo, 1971
#2
10 + 8
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Qb8
- 2.Sxd4#
- 1...Qa5
- 2.Sxd4#
- 1...Qa6
- 2.Sxd4#
- 1...Qb7
- 2.Sxd4#
- 1...Qc7
- 2.Sxd4#
- 1...Qe7
- 2.Sxd4#
- 1...Qa8
- 2.Sxd4#
- 1...Ra8
- 2.Rc2#
- 1...Rb8
- 2.Rc2#
- 1...Rd8
- 2.Rc2#
- 1...Re8
- 2.Rc2#
- 1...Rf8
- 2.Rc2#
- 1...Rg8
- 2.Rc2#
- 1...Rh8
- 2.Rc2#
- 1...Bc1
- 2.Sxc1#
- 1...Bb4
- 2.Sc1#
- 1...Bc5
- 2.Sc1#
- 1...Bd6
- 2.Sc1#
- 1...Be7
- 2.Sc1#
- 1...Bf8
- 2.Sc1#
- 1...fxg6
- 2.Re6#
- 1...f6
- 2.Re6#
- 1...Qb8
- Tries
- 1.Rc5?
- threat
- 2.Sxd4#
- 2.Re5#
- 1...Rxc5
- 2.Sxd4#
- 1...Bxc5
- 2.Sc1#
- 1...axb3
- 2.Re5#
- 1...gxf4
- 2.Re5#
- 1...Qb8
- 2.Sxd4#
- 1...Qa5
- 2.Sxd4#
- 1...Qb7
- 2.Sxd4#
- 1...Qc7
- 2.Sxd4#
- 1...Qd7
- 2.Re5#
- 1...Qe7
- 2.Sxd4#
- 1...Qa8
- 2.Sxd4#
- 1...Rd8
- 2.Rc2#
- 2.Re5#
- 1...Re8
- 2.Sxd4#
- 2.Rc2#
- 1...Bc1
- 2.Sxc1#
- 2.Sxd4#
- 1...Bb2
- 2.Re5#
- 1...d3
- 2.Sd4#
- 1...f6
- 2.Sxd4#
- 1...Qxc5!
- threat
- 1.hxg5?
- threat
- 2.Qh2#
- 1...Rh8
- 2.Rc2#
- 1...d3!
- threat
- 1.gxf7?
- threat
- 2.Bd3#
- 2.Re6#
- 1...Qxf7
- 2.Sxd4#
- 2.Bd3#
- 1...Rxc6
- 2.Bd3#
- 1...Qc5
- 2.Bd3#
- 1...Qb6
- 2.Bd3#
- 1...Qb8
- 2.Sxd4#
- 2.Bd3#
- 1...Qa5
- 2.Sxd4#
- 2.Bd3#
- 1...Qa6
- 2.Sxd4#
- 1...Qb7
- 2.Sxd4#
- 2.Bd3#
- 1...Qc7
- 2.Sxd4#
- 2.Bd3#
- 1...Qe7
- 2.Sxd4#
- 2.Bd3#
- 1...Qa8
- 2.Sxd4#
- 2.Bd3#
- 1...Re8
- 2.Bd3#
- 2.Rc2#
- 1...Bc1
- 2.Sxc1#
- 2.Bd3#
- 1...Bd6
- 2.Sc1#
- 2.Bd3#
- 1...d3
- 2.Bxd3#
- 1...Qd7!
- threat
- 1.g7?
- threat
- 2.Bd3#
- 1...Qa6
- 2.Sxd4#
- 1...d3
- 2.Bxd3#
- 1...Qd7!
- threat
- 1.Rc5?
- Keys
- 1.Qh5!
- threat
- 2.Kxg5#
- 1...gxf4
- 2.Kxf4#
- 1...gxh4
- 2.Kh3#
- 2.Kxh4#
- 2.Kg5#
- 1...fxg6
- 2.Re6#
- 1...Qe7
- 2.Sxd4#
- 1...Rh8
- 2.Rc2#
- 1...Be7
- 2.Sc1#
- 1...f6
- 2.Re6#
- threat
- 1.Qh5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 17
- Sets
- Q(f);N_GUARD::S(C),XP(d)
- R(h);N_GUARD::R(H)
- B(b);N_GUARD::S(C),XB(b)
- B(b);N_GUARD::S(C)
- P(g);N_GUARD,XP(I)::R(H)
- P(g);N_GUARD::R(H)
- Tries
- Try
- R(H);
- Threat
- DUALS(2)
- Vars
- R(h);XR(H)::S(C),XP(d)
- B(b);N_GUARD,XR(H)::S(C)
- P(c);XS(C)::R(H)
- P(e);XB(D)::R(H)
- Q(f);::S(C),XP(d)
- Q(f);P_PINB(G)::R(H)
- B(b);::R(H)
- P(d);::S(C)
- P(g);::S(C),XP(d)
- Refutation
- Q(f);XR(H)
- Try
- P(F);XP(e)
- Threat
- QAR(J)
- Vars
- R(h);N_GUARD::R(H)
- Refutation
- P(d);
- Try
- P(I);XP(g)
- Threat
- DUALS(2)
- Vars
- R(h);XR(H)::B(G)
- Q(f);::B(G)
- Q(f);N_GUARD::S(C),XP(d)
- P(d);::B(G),XP(d)
- Refutation
- Q(f);P_PINB(G)
- Try
- P(I);
- Threat
- B(G)
- Vars
- Q(f);N_GUARD::S(C),XP(d)
- P(d);::B(G),XP(d)
- Refutation
- Q(f);P_PINB(G)
- Try
- Actual
- Q(J);
- Threat
- QAB(J)+K(E),XP(e)
- Vars
- P(e);XB(D)::QAB(J)+K(E),XP(e)
- P(g);N_GUARD,XP(I)::R(H)
- Q(f);N_GUARD::S(C),XP(d)
- R(h);N_GUARD::R(H)
- B(b);N_GUARD::S(C)
- P(g);N_GUARD::R(H)
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