MESON Chess Problem Database
Problem Display
PID: 145832 (2R1B3/8/3p1B2/pP5R/rk4N1/pppp1p2/q4Q1K/bbN5 w - - 0 1)
Latzel, Gerhard Paul
Magyar Sakkvilag, 1949
#2
9 + 12
| 23 | Die Schwalbe | 2012 |
SOLUTION
- SOUND
- Sets
- 1...Bb2
- 2.Qd4#
- 1...Bc2
- 2.Qd4#
- 1...b2
- 2.Bxc3#
- 1...c2
- 2.Sxd3#
- 1...d2
- 2.Qd4#
- 1...d5
- 2.Be7#
- 1...Bb2
- Tries
- 1.Kg1?
- threat
- 2.Qd4#
- 1...b2
- 2.Bxc3#
- 1...c2
- 2.Sxd3#
- 1...Qxf2+!
- threat
- 1.Kh1?
- threat
- 2.Qd4#
- 1...b2
- 2.Bxc3#
- 1...c2
- 2.Sxd3#
- 1...Qxf2!
- threat
- 1.Kg3?
- threat
- 2.Qd4#
- 1...b2
- 2.Bxc3#
- 1...c2
- 2.Sxd3#
- 1...Qxf2+!
- threat
- 1.Kh3?
- threat
- 2.Qd4#
- 1...b2
- 2.Bxc3#
- 1...c2
- 2.Sxd3#
- 1...Qxf2!
- threat
- 1.Sxa2+?
- 1...Bxa2
- 2.Qd4#
- 1...bxa2!
- 1...Bxa2
- 1.Se3?
- threat
- 2.Sd5#
- 2.Rh4#
- 2.Rc4#
- 1...b2
- 2.Bxc3#
- 1...c2
- 2.Sxd3#
- 2.Sd5#
- 2.Rc4#
- 1...d2
- 2.Sd5#
- 2.Rc4#
- 1...d5
- 2.Sxd5#
- 2.Be7#
- 1...Qxf2+!
- threat
- 1.Rd5?
- threat
- 2.Rd4#
- 1...b2
- 2.Bxc3#
- 1...c2
- 2.Sxd3#
- 1...Qxf2+!
- threat
- 1.b6?
- threat
- 2.Rb5#
- 1...d5
- 2.Be7#
- 1...Qxf2+!
- threat
- 1.Kg1?
- Keys
- 1.Rh4!
- threat
- 2.Se3#
- 2.Se5#
- 2.Sh6#
- 1...Qxf2+
- 2.Sxf2#
- 1...Qd2
- 2.Se3#
- 1...Qe2
- 2.Se3#
- 1...b2
- 2.Bxc3#
- 1...c2
- 2.Sxd3#
- 1...d2
- 2.Qd4#
- 1...d5
- 2.Be7#
- threat
- 1.Rh4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 2
- Sets
- B(a);N_PINQ(B)::QAR2(B)
- B(b);N_PINQ(B)::QAR2(B)
- P(e);N_PINQ(B),S_CUTB(a)::B(G),XP(f)
- P(f);N_PINQ(B),S_CUTB(b)::S(A),XP(g)
- P(g);N_PINQ(B)::QAR2(B)
- P(l);OGATEB::B(G)
- Tries
- Try
- K(C);N_SPINQ(B),S_FLIGHT
- Threat
- QAR2(B)
- Vars
- P(e);S_CUTB(a)::B(G),XP(f)
- P(f);S_CUTB(b)::S(A),XP(g)
- Refutation
- Q(c);CHECK,XQ(B)
- Try
- K(C);N_SPINQ(B),P-FLIGHT
- Threat
- QAR2(B)
- Vars
- P(e);S_CUTB(a)::B(G),XP(f)
- P(f);S_CUTB(b)::S(A),XP(g)
- Refutation
- Q(c);XQ(B)
- Try
- K(C);N_SPINQ(B),S_FLIGHT
- Threat
- QAR2(B)
- Vars
- P(e);S_CUTB(a)::B(G),XP(f)
- P(f);S_CUTB(b)::S(A),XP(g)
- Refutation
- Q(c);CHECK,XQ(B)
- Try
- K(C);N_SPINQ(B),P-FLIGHT
- Threat
- QAR2(B)
- Vars
- P(e);S_CUTB(a)::B(G),XP(f)
- P(f);S_CUTB(b)::S(A),XP(g)
- Refutation
- Q(c);XQ(B)
- Try
- S(A);CHECK,N_SPINQ(B),XQ(c)
- Vars
- B(b);XS(A)::QAR2(B)
- Refutation
- P(e);XS(A)
- Try
- S(D);
- Threat
- DUALS(3)
- Vars
- P(e);N_PINQ(B),S_CUTB(a)::B(G),XP(f)
- Refutation
- Q(c);CHECK,XQ(B)
- Try
- R(F);
- Threat
- R(F)
- Vars
- P(e);N_PINQ(B),S_CUTB(a)::B(G),XP(f)
- P(f);N_PINQ(B),S_CUTB(b)::S(A),XP(g)
- Refutation
- Q(c);CHECK,XQ(B)
- Try
- P(E);
- Threat
- R1(F)
- Vars
- P(l);OGATEB::B(G)
- Refutation
- Q(c);CHECK,XQ(B)
- Try
- Actual
- R(F);
- Threat
- DUALS(3)
- Vars
- Q(c);CHECK,XQ(B)::R(F)+S(D),XQ(c)
- Q(c);::R(F)+S(D)
- P(e);N_PINQ(B),S_CUTB(a)::B(G),XP(f)
- P(f);N_PINQ(B),S_CUTB(b)::S(A),XP(g)
- P(g);N_PINQ(B)::QAR2(B)
- P(l);OGATEB::B(G)
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