MESON Chess Problem Database
Problem Display
PID: 110289 (1Q6/8/n1pp4/4r3/Pb1k1B2/8/B1R2N2/1KN5 w - - 0 1)
Loepert, Fritz
Mate, 1982
#2
8 + 6
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Re2
- 2.Sxe2#
- 1...Ra5
- 2.Se2#
- 1...Rb5
- 2.Se2#
- 1...Rc5
- 2.Se2#
- 1...Rd5
- 2.Se2#
- 2.Sb3#
- 2.Rc4#
- 1...Rf5
- 2.Se2#
- 1...Rg5
- 2.Se2#
- 1...Rh5
- 2.Se2#
- 1...Bc5
- 2.Qb2#
- 1...Sc5
- 2.Qxb4#
- 1...Sc7
- 2.Qxb4#
- 1...d5
- 2.Sb3#
- 2.Qxe5#
- 1...Re2
- Tries
- 1.Be6?
- threat
- 2.Sb3#
- 2.Rc4#
- 1...Bc3
- 2.Sb3#
- 1...Re1
- 2.Rc4#
- 1...Re3
- 2.Rc4#
- 1...Rc5
- 2.Se2#
- 2.Sb3#
- 1...Rd5
- 2.Se2#
- 2.Sb3#
- 1...Sc5
- 2.Rc4#
- 2.Qxb4#
- 1...d5
- 2.Sb3#
- 2.Qxe5#
- 1...Rxe6!
- threat
- 1.Bf7?
- threat
- 2.Sb3#
- 2.Rc4#
- 1...Bc3
- 2.Sb3#
- 1...Re1
- 2.Rc4#
- 1...Re3
- 2.Rc4#
- 1...Rc5
- 2.Se2#
- 2.Sb3#
- 1...Rd5
- 2.Se2#
- 2.Sb3#
- 1...Sc5
- 2.Rc4#
- 2.Qxb4#
- 1...d5
- 2.Sb3#
- 2.Qxe5#
- 1...Re6!
- threat
- 1.Bg8?
- threat
- 2.Sb3#
- 2.Rc4#
- 1...Bc3
- 2.Sb3#
- 1...Re1
- 2.Rc4#
- 1...Re3
- 2.Rc4#
- 1...Rc5
- 2.Se2#
- 2.Sb3#
- 1...Rd5
- 2.Se2#
- 2.Sb3#
- 1...Sc5
- 2.Rc4#
- 2.Qxb4#
- 1...d5
- 2.Sb3#
- 2.Qxe5#
- 1...Re6!
- threat
- 1.Rd2+?
- 1...Kc3
- 2.Sd1#
- 2.Rd3#
- 1...Kc5
- 2.Qa7#
- 1...Bxd2!
- 1...Kc3
- 1.Qxd6+?
- 1...Rd5
- 2.Se2#
- 2.Sb3#
- 2.Rc4#
- 1...Bxd6!
- 1...Rd5
- 1.Qb5?
- threat
- 2.Sb3#
- 2.Rc4#
- 2.Qd3#
- 2.Qc4#
- 1...Rxb5
- 2.Se2#
- 1...Re1
- 2.Rc4#
- 2.Qd3#
- 2.Qc4#
- 1...Re3
- 2.Rc4#
- 2.Qc4#
- 1...Rc5
- 2.Se2#
- 2.Qd3#
- 1...Bc3
- 2.Sb3#
- 2.Qc4#
- 1...Bc5
- 2.Qd3#
- 2.Qc4#
- 2.Qb2#
- 1...Sc5
- 2.Qc4#
- 2.Qxb4#
- 1...c5
- 2.Qd3#
- 2.Qc4#
- 1...d5
- 2.Sb3#
- 2.Qd3#
- 1...cxb5!
- threat
- 1.Qb6+?
- 1...Rc5
- 2.Se2#
- 1...Bc5
- 2.Qb2#
- 1...Sc5
- 2.Qxb4#
- 1...c5!
- 1...Rc5
- 1.Qg8?
- threat
- 2.Sb3#
- 2.Rc4#
- 2.Qc4#
- 1...Bc3
- 2.Sb3#
- 2.Qc4#
- 1...Re1
- 2.Rc4#
- 2.Qc4#
- 1...Re3
- 2.Rc4#
- 2.Qc4#
- 1...Rc5
- 2.Se2#
- 2.Sb3#
- 1...Rd5
- 2.Se2#
- 2.Sb3#
- 2.Rc4#
- 1...Sc5
- 2.Rc4#
- 2.Qc4#
- 1...d5
- 2.Sb3#
- 1...Re6!
- threat
- 1.Be6?
- Keys
- 1.Rc5!
- threat
- 2.Sb3#
- 1...Kxc5
- 2.Qa7#
- 1...Rxc5
- 2.Se2#
- 1...Bxc5
- 2.Qb2#
- 1...Sxc5
- 2.Qxb4#
- 1...dxc5
- 2.Qxe5#
- 1...Re1
- 2.Qxd6#
- 1...Re3
- 2.Qxd6#
- threat
- 1.Rc5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 7
- Sets
- R(c);N_GUARD::S(B),XR(c)
- R(c);N_GUARD::S(B)
- B(a);OGATE::QAB(H)
- S(d);N_GUARD::QAR2(H),XB(a)
- Tries
- Try
- B(C);
- Threat
- DUALS(2)
- Vars
- B(a);::S(B)
- R(c);P_PINS(B)::R1(D)
- R(c);::R1(D)
- Refutation
- R(c);XB(C)
- Try
- B(C);
- Threat
- DUALS(2)
- Vars
- B(a);::S(B)
- R(c);P_PINS(B)::R1(D)
- R(c);::R1(D)
- Refutation
- R(c);
- Try
- B(C);
- Threat
- DUALS(2)
- Vars
- B(a);::S(B)
- R(c);P_PINS(B)::R1(D)
- R(c);::R1(D)
- Refutation
- R(c);
- Try
- R(D);CHECK
- Vars
- K(b);S_FLIGHT::QAB(H)
- Refutation
- B(a);XR(D)
- Try
- Q(H);CHECK,XP(f)
- Refutation
- B(a);XQ(H)
- Try
- Q(H);
- Threat
- DUALS(4)
- Vars
- R(c);N_GUARD,XQ(H)::S(B)
- Refutation
- P(e);XQ(H)
- Try
- Q(H);CHECK
- Vars
- R(c);P_SPINR(c)::S(B)
- B(a);OGATE,P_SPINB(a)::QAB(H)
- S(d);N_GUARD,P_SPINS(d)::QAR2(H),XB(a)
- Refutation
- P(e);P_SPINP(e)
- Try
- Q(H);
- Threat
- DUALS(3)
- Vars
- P(f);::S(B)
- Refutation
- R(c);
- Try
- Actual
- R(D);
- Threat
- S(B)
- Vars
- K(b);OGATEB,S_FLIGHT,XR(D)::QAB(H)
- R(c);N_GUARD,SBLOCK,XR(D)::S(B)
- B(a);OGATE,SBLOCK,XR(D)::QAB(H)
- S(d);N_GUARD,XR(D)::QAR2(H),XB(a)
- P(f);OGATE,XR(D)::QAB1(H),XR(c)
- R(c);N_GUARD,P_PINS(B)::QAR2(H),XP(f)
- R(c);N_GUARD::QAR2(H),XP(f)
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