MESON Chess Problem Database
Problem Display
PID: 137465 (3r4/7b/B3N3/3p4/1B6/8/Kpk2q1p/1R1R2nQ w - - 0 1)
Witt, Andreas
Freie Presse, 1999
#2
7 + 8
| 14503 | Problemschach-Jahrbuch (1999) | 2000 |
SOLUTION
- SOUND
- Sets
- 1...Qe1
- 2.Sd4#
- 1...Qg3
- 2.Sd4#
- 2.Rd2#
- 1...Qd4
- 2.Sxd4#
- 1...Qh4
- 2.Rd2#
- 1...Qc5
- 2.Rd2#
- 1...Qb6
- 2.Rd2#
- 1...Qa7
- 2.Rd2#
- 1...Qf1
- 2.Sd4#
- 2.Rd2#
- 1...Qd2
- 2.Rxd2#
- 1...Qe2
- 2.Sd4#
- 1...Qg2
- 2.Sd4#
- 1...Qf3
- 2.Sd4#
- 2.Rd2#
- 1...Qf5
- 2.Sd4#
- 2.Rd2#
- 1...Qf6
- 2.Rd2#
- 1...Qf7
- 2.Sd4#
- 2.Rd2#
- 1...Qf8
- 2.Sd4#
- 2.Rd2#
- 1...Bd3
- 2.Bxd3#
- 1...Bg8
- 2.Bd3#
- 1...Se2
- 2.Rxb2#
- 2.Rd2#
- 1...Sf3
- 2.Rxb2#
- 1...Sh3
- 2.Rxb2#
- 1...d4
- 2.Qc6#
- 1...Qe1
- Tries
- 1.Re1?
- threat
- 2.Rxb2#
- 1...Qxe1
- 2.Sd4#
- 1...Qd4
- 2.Sxd4#
- 1...Qf6!
- threat
- 1.Rf1?
- threat
- 2.Rxb2#
- 1...Qxf1
- 2.Sd4#
- 1...Qe1
- 2.Sd4#
- 1...Qd4
- 2.Sxd4#
- 1...Qf6!
- threat
- 1.Qg2?
- threat
- 2.Sd4#
- 1...Se2
- 2.Rd2#
- 1...d4
- 2.Qc6#
- 1...Sf3!
- threat
- 1.Qf3?
- threat
- 2.Rxb2#
- 2.Qb3#
- 2.Qc3#
- 1...Qxf3
- 2.Sd4#
- 2.Rd2#
- 1...Qe1
- 2.Sd4#
- 2.Rxb2#
- 2.Qb3#
- 1...Qe3
- 2.Rxb2#
- 1...Qg3
- 2.Sd4#
- 2.Rxb2#
- 2.Rd2#
- 1...Qd4
- 2.Sxd4#
- 2.Qb3#
- 1...Qc5
- 2.Rxb2#
- 2.Rd2#
- 2.Qb3#
- 1...Qd2
- 2.Rxb2#
- 2.Rxd2#
- 2.Qb3#
- 1...Qe2
- 2.Sd4#
- 2.Qb3#
- 2.Qc3#
- 1...Rc8
- 2.Rxb2#
- 2.Qb3#
- 1...Bd3
- 2.Bxd3#
- 2.Rxb2#
- 2.Qxd3#
- 1...Se2
- 2.Rd2#
- 2.Qb3#
- 1...d4
- 2.Rxb2#
- 2.Qc6#
- 2.Qb3#
- 1...Sxf3!
- threat
- 1.Qxd5?
- threat
- 2.Rxb2#
- 2.Qb3#
- 2.Qc4#
- 1...Qe1
- 2.Sd4#
- 2.Rxb2#
- 2.Qb3#
- 1...Qe3
- 2.Rxb2#
- 1...Qg3
- 2.Sd4#
- 2.Rxb2#
- 2.Rd2#
- 1...Qd4
- 2.Sxd4#
- 2.Qb3#
- 1...Qh4
- 2.Rxb2#
- 2.Rd2#
- 2.Qb3#
- 1...Qc5
- 2.Rxb2#
- 2.Rd2#
- 2.Qb3#
- 2.Qxc5#
- 1...Qf1
- 2.Sd4#
- 2.Rxb2#
- 2.Rd2#
- 2.Qb3#
- 1...Qd2
- 2.Rxd2#
- 2.Qb3#
- 1...Qe2
- 2.Sd4#
- 2.Rxb2#
- 2.Qb3#
- 1...Qf3
- 2.Sd4#
- 2.Rxb2#
- 2.Rd2#
- 1...Qf4
- 2.Rxb2#
- 2.Qb3#
- 1...Qf6
- 2.Rd2#
- 2.Qb3#
- 1...Rc8
- 2.Rxb2#
- 2.Qb3#
- 1...Bd3
- 2.Bxd3#
- 2.Qb3#
- 1...Se2
- 2.Rxb2#
- 2.Rd2#
- 2.Qb3#
- 1...Rxd5!
- threat
- 1.Re1?
- Keys
- 1.Qxh2!
- threat
- 2.Sd4#
- 1...Se2
- 2.Rd2#
- 1...Sf3
- 2.Qxh7#
- 1...d4
- 2.Qc7#
- threat
- 1.Qxh2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 1
- REMOVED MATES = 13
- Sets
- Q(d);N_GUARD::S(G)
- Q(d);N_GUARD::S(G),XQ(d)
- Q(d);N_GUARD::R1(B)
- Q(d);N_GUARD,P_PINB(F)::R1(B)
- Q(d);N_GUARD::R1(B),XQ(d)
- B(g);N_GUARD::B(F),XB(g)
- B(g);N_GUARD::B(F)
- S(a);::R1(A),XP(b)
- P(f);OGATE::QAR(C)
- Tries
- Try
- R(B);
- Threat
- R1(A),XP(b)
- Vars
- Q(d);N_GUARD,XR(B)::S(G)
- Q(d);N_GUARD::S(G),XQ(d)
- Refutation
- Q(d);
- Try
- R(B);
- Threat
- R1(A),XP(b)
- Vars
- Q(d);N_GUARD,XR(B)::S(G)
- Q(d);N_GUARD::S(G)
- Q(d);N_GUARD::S(G),XQ(d)
- Refutation
- Q(d);
- Try
- Q(C);P_PINQ(d)
- Threat
- S(G)
- Vars
- S(a);N_SPINQ(d),S_CUTQ(d)::R1(B)
- P(f);OGATE::QAR(C)
- Refutation
- S(a);
- Try
- Q(C);
- Threat
- DUALS(3)
- Vars
- Q(d);::R1(A),XP(b)
- Refutation
- S(a);XQ(C)
- Try
- Q(C);XP(f)
- Threat
- DUALS(3)
- Vars
- Q(d);::R1(A),XP(b)
- Refutation
- R(h);XQ(C)
- Try
- Actual
- Q(C);P_PINQ(d),XP(e)
- Threat
- S(G)
- Vars
- S(a);N_SPINQ(d),S_CUTQ(d)::R1(B)
- S(a);::QAB(C),XB(g)
- P(f);::QAR(C)
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