MESON Chess Problem Database
Problem Display
PID: 18936 (2b5/1PB1P3/1PQKBN2/1ppp1N2/q1p1pk1P/b7/1rn2nP1/3r4 w - - 0 1)
Paalanen, Erkki
5th HM., Problem TT, 1959
#2
11 + 13
| 3174 | The Two-move Chess Problem Tradition and Development | 1966 |
SOLUTION
- SOUND
- Sets
- 1...Ra1
- 2.Kxd5#
- 1...Rdb1
- 2.Kxd5#
- 1...Rc1
- 2.Kxd5#
- 1...Re1
- 2.Kxd5#
- 1...Rf1
- 2.Kxd5#
- 1...Rg1
- 2.Kxd5#
- 1...Rh1
- 2.Kxd5#
- 1...Rb4
- 2.Kxc5#
- 1...Bxe6
- 2.Kxe6#
- 1...Bxb7
- 2.Kd7#
- 1...Bd7
- 2.Kxd7#
- 1...Sb4
- 2.Kxc5#
- 1...Sd4
- 2.Kxd5#
- 1...Sg4
- 2.Sh5#
- 1...b4
- 2.Kxc5#
- 1...d4
- 2.Kd5#
- 1...Ra1
- Tries
- 1.Bxc8?
- threat
- 2.Ke6#
- 1...Sd4
- 2.Kxd5#
- 1...Sg4
- 2.Sh5#
- 1...Sd3!
- threat
- 1.Qe8?
- threat
- 2.Kc6#
- 1...Bxe6
- 2.Kxe6#
- 1...Bxb7
- 2.Kd7#
- 1...Bd7
- 2.Kxd7#
- 1...Sb4
- 2.Kxc5#
- 1...Sd4
- 2.Kxd5#
- 1...Sg4
- 2.Sh5#
- 1...b4
- 2.Kxc5#
- 1...Sd3!
- threat
- 1.Qxc5?
- threat
- 2.Kc6#
- 1...Bxc5+
- 2.Kxc5#
- 1...Bxe6
- 2.Kxe6#
- 1...Bxb7
- 2.Kd7#
- 1...Bd7
- 2.Kxd7#
- 1...Sb4
- 2.Qe3#
- 1...Sd4
- 2.Kxd5#
- 1...Sg4
- 2.Sh5#
- 1...b4
- 2.Qxf2#
- 1...Sd3!
- threat
- 1.e8Q?
- threat
- 2.Ke7#
- 1...Bxe6
- 2.Kxe6#
- 1...Sg4
- 2.Sh5#
- 1...Sd3!
- threat
- 1.e8S?
- threat
- 2.Ke7#
- 1...Bxe6
- 2.Kxe6#
- 1...Sg4
- 2.Sh5#
- 1...Sd3!
- threat
- 1.e8B?
- threat
- 2.Ke7#
- 1...Bxe6
- 2.Kxe6#
- 1...Sg4
- 2.Sh5#
- 1...Sd3!
- threat
- 1.e8R?
- threat
- 2.Ke7#
- 1...Bxe6
- 2.Kxe6#
- 1...Sg4
- 2.Sh5#
- 1...Sd3!
- threat
- 1.Bxc8?
- Keys
- 1.Qxd5!
- threat
- 2.Kc6#
- 1...Rxd5+
- 2.Kxd5#
- 1...Bxb7
- 2.Kd7#
- 1...Sd3
- 2.Qxe4#
- 1...Bd7
- 2.Kxd7#
- 1...Sb4
- 2.Kxc5#
- 1...Sd4
- 2.Qe5#
- 1...Sg4
- 2.Sh5#
- 1...b4
- 2.Kxc5#
- threat
- 1.Qxd5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 2
- REMOVED MATES = 10
- Sets
- R(a);::B(J)+K(F),XP(l)
- R(b);::B(J)+K(F),XP(k)
- B(m);XB(G)::B(J)+K(F),XB(m)
- B(m);XP(I)::B(J)+K(F)
- B(m);::B(J)+K(F),XB(m)
- S(c);::B(J)+K(F),XP(k)
- S(c);::B(J)+K(F),XP(l)
- S(d);SBLOCK::S(H)
- P(j);::B(J)+K(F),XP(k)
- P(l);::B(J)+K(F)
- Tries
- Try
- B(G);XB(m)
- Threat
- B(J)+K(F)
- Vars
- S(c);::B(J)+K(F),XP(l)
- S(d);SBLOCK::S(H)
- Refutation
- S(d);
- Try
- Q(E);
- Threat
- B(J)+K(F)
- Vars
- B(m);XB(G)::B(J)+K(F),XB(m)
- B(m);XP(I)::B(J)+K(F)
- B(m);::B(J)+K(F),XB(m)
- S(c);::B(J)+K(F),XP(k)
- S(c);::B(J)+K(F),XP(l)
- S(d);SBLOCK::S(H)
- P(j);::B(J)+K(F),XP(k)
- Refutation
- S(d);
- Try
- Q(E);P_SPINQ(E),XP(k)
- Threat
- B(J)+K(F)
- Vars
- B(e);CHECK,XQ(E)::B(J)+K(F),XB(e)
- B(m);XB(G)::B(J)+K(F),XB(m)
- B(m);XP(I)::B(J)+K(F)
- B(m);::B(J)+K(F),XB(m)
- S(c);N_PINQ(E)::QAB1(E)
- S(c);::B(J)+K(F),XP(l)
- S(d);SBLOCK::S(H)
- P(j);N_PINQ(E)::QAR2(E),XS(d)
- Refutation
- S(d);
- Try
- P(K);
- Threat
- B(J)+K(F)
- Vars
- B(m);XB(G)::B(J)+K(F),XB(m)
- S(d);SBLOCK::S(H)
- Refutation
- S(d);
- Try
- P(K);
- Threat
- B(J)+K(F)
- Vars
- B(m);XB(G)::B(J)+K(F),XB(m)
- S(d);SBLOCK::S(H)
- Refutation
- S(d);
- Try
- P(K);
- Threat
- B(J)+K(F)
- Vars
- B(m);XB(G)::B(J)+K(F),XB(m)
- S(d);SBLOCK::S(H)
- Refutation
- S(d);
- Try
- P(K);
- Threat
- B(J)+K(F)
- Vars
- B(m);XB(G)::B(J)+K(F),XB(m)
- S(d);SBLOCK::S(H)
- Refutation
- S(d);
- Try
- Actual
- Q(E);P_SPINQ(E),XP(l)
- Threat
- B(J)+K(F)
- Vars
- R(a);CHECK,XQ(E)::B(J)+K(F),XR(a)
- B(m);XP(I)::B(J)+K(F)
- S(d);N_PINQ(E)::QAR1(E),XP(h)
- B(m);::B(J)+K(F),XB(m)
- S(c);::B(J)+K(F),XP(k)
- S(c);N_PINQ(E)::QAB1(E)
- S(d);SBLOCK::S(H)
- P(j);::B(J)+K(F),XP(k)
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