MESON Chess Problem Database
Problem Display
PID: 101068 (n7/2p4p/1nR3bN/1PR4p/p1PkpN1P/p2P4/K7/4Q3 w - - 0 1)
Lindmark, CE
Good Companions, 1922
#2
10 + 10
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Bf5
- 2.Sxf5#
- 1...Bf7
- 2.Sf5#
- 1...Be8
- 2.Sf5#
- 1...Sxc4
- 2.Rd5#
- 1...Sd5
- 2.Rxd5#
- 1...Sd7
- 2.Rd5#
- 1...Sc8
- 2.Rd5#
- 1...exd3
- 2.Se6#
- 2.Qe5#
- 1...e3
- 2.Qa1#
- 1...Bf5
- Tries
- 1.Kxa3?
- 1...exd3
- 2.Se6#
- 2.Qe5#
- 1...Sd5
- 2.Rxd5#
- 1...e3
- 2.Qa1#
- 1...Bf5
- 2.Sxf5#
- 1...Bf7
- 2.Sf5#
- 1...Be8
- 2.Sf5#
- 1...Sd7
- 2.Rd5#
- 1...Sc8
- 2.Rd5#
- 1...Sxc4+!
- 1...exd3
- 1.Sg4?
- threat
- 2.Qa1#
- 1...Sxc4
- 2.Rxc4#
- 2.Rd5#
- 1...exd3
- 2.Se6#
- 2.Qe5#
- 1...Sd5
- 2.Rxd5#
- 1...hxg4!
- threat
- 1.Rxc7?
- 1...Sxc4
- 2.Rd5#
- 1...exd3
- 2.Se6#
- 2.Qe5#
- 1...Sd5
- 2.Rxd5#
- 1...Bf5
- 2.Sxf5#
- 1...Bf7
- 2.Sf5#
- 1...Be8
- 2.Sf5#
- 1...Sd7
- 2.Rd5#
- 1...Sc8
- 2.Rd5#
- 1...e3
- 2.Qa1#
- 1...Sxc7!
- 1...Sxc4
- 1.Qd2?
- threat
- 2.Se2#
- 2.Se6#
- 1...Sd5
- 2.Rxd5#
- 1...Bf5
- 2.Se2#
- 2.Sxf5#
- 1...Bf7
- 2.Se2#
- 2.Sf5#
- 1...exd3!
- threat
- 1.Qc1?
- 1...Sxc4
- 2.Rd5#
- 1...Sd5
- 2.Rxd5#
- 1...Bf5
- 2.Sxf5#
- 1...Bf7
- 2.Sf5#
- 1...Be8
- 2.Sf5#
- 1...Sd7
- 2.Rd5#
- 1...Sc8
- 2.Rd5#
- 1...e3
- 2.Qa1#
- 1...exd3!
- 1...Sxc4
- 1.Qg1+?
- 1...e3
- 2.Qa1#
- 1...Kc3!
- 1...e3
- 1.dxe4?
- 1...Sxc4
- 2.Rd5#
- 1...Sd5
- 2.Rxd5#
- 1...Bf5
- 2.Sxf5#
- 1...Bf7
- 2.Sf5#
- 1...Be8
- 2.Sf5#
- 1...Sd7
- 2.Rd5#
- 1...Sc8
- 2.Rd5#
- 1...Bxe4!
- 1...Sxc4
- 1.Kxa3?
- Keys
- 1.Sd5!
- threat
- 2.Qc3#
- 1...Kxd3
- 2.Qd1#
- 1...Ke5
- 2.Qc3#
- 2.Qa1#
- 1...Sxd5
- 2.Rxd5#
- 1...exd3
- 2.Qe3#
- threat
- 1.Sd5!
FEATURES
- Static
- TYPE = BLOCK_THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 7
- Sets
- B(g);N_GUARD::S(J),XB(g)
- B(g);N_GUARD,P_PINP(D)::S(J)
- B(g);N_GUARD::S(J)
- S(f);N_GUARD,XP(D)::R1(H)
- S(f);N_GUARD::R1(H),XS(f)
- S(f);N_GUARD::R1(H)
- P(d);SBLOCK::QAB(A)
- Tries
- Try
- K(B);P-FLIGHT,XP(a)
- Vars
- S(f);N_GUARD::R1(H),XS(f)
- P(d);SBLOCK::QAB(A)
- B(g);N_GUARD::S(J),XB(g)
- B(g);N_GUARD::S(J)
- S(f);N_GUARD::R1(H)
- Refutation
- S(f);CHECK,XP(D)
- Try
- S(J);
- Threat
- QAB(A)
- Vars
- S(f);N_GUARD::R1(H),XS(f)
- Refutation
- P(e);XS(J)
- Try
- R(I);XP(h)
- Vars
- S(f);N_GUARD,XP(D)::R1(H)
- S(f);N_GUARD::R1(H),XS(f)
- B(g);N_GUARD::S(J),XB(g)
- B(g);N_GUARD,P_PINP(D)::S(J)
- B(g);N_GUARD::S(J)
- S(f);N_GUARD::R1(H)
- P(d);SBLOCK::QAB(A)
- Refutation
- S(j);XR(I)
- Try
- Q(A);
- Threat
- DUALS(2)
- Vars
- S(f);N_GUARD::R1(H),XS(f)
- Refutation
- P(d);P_SPINP(d),XP(C)
- Try
- Q(A);
- Vars
- S(f);N_GUARD,XP(D)::R1(H)
- S(f);N_GUARD::R1(H),XS(f)
- B(g);N_GUARD::S(J),XB(g)
- B(g);N_GUARD,P_PINP(D)::S(J)
- B(g);N_GUARD::S(J)
- S(f);N_GUARD::R1(H)
- P(d);SBLOCK::QAB(A)
- Refutation
- P(d);XP(C)
- Try
- Q(A);CHECK
- Vars
- P(d);P_SPINP(d),SBLOCK::QAB(A)
- Refutation
- K(c);S_FLIGHT
- Try
- P(C);XP(d)
- Vars
- S(f);N_GUARD,XP(D)::R1(H)
- S(f);N_GUARD::R1(H),XS(f)
- B(g);N_GUARD::S(J),XB(g)
- B(g);N_GUARD,P_PINP(D)::S(J)
- B(g);N_GUARD::S(J)
- S(f);N_GUARD::R1(H)
- Refutation
- B(g);XP(C)
- Try
- Actual
- S(E);
- Threat
- QAB1(A)
- Vars
- K(c);OGATEB,P-FLIGHT,XP(C)::QAR2(A)
- S(f);OGATE,XS(E)::R1(H),XS(f)
- P(d);XP(C)::QAB1(A)
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