MESON Chess Problem Database
Problem Display
PID: 236077 (5Q2/8/2b3p1/3k4/8/4K3/5N2/7R w - - 0 1)
Mach, Julius Zdenek
1st Prize, L'Italia Scacchistica, 1949
#4
4 + 3
| 6490 | yacpdb | 2021 |
SOLUTION
- SOUND
- Keys
- 1.Se4!
- threat
- 2.Qd6+
- 2...Kc4
- 3.Rb1
- threat
- 4.Rb4#
- 4.Qc5#
- 4.Qd3#
- 4.Qd4#
- 4.Qxc6#
- threat
- 3.Rb1
- 2...Kc4
- 2.Qd6+
- 1...Kc4
- 2.Qc5+
- 2...Kb3
- 3.Rb1+
- 3...Ka2
- 4.Sc3#
- 3...Ka4
- 4.Sc3#
- 4.Qb4#
- 4.Qa7#
- 3...Ka2
- 3.Rb1+
- 2...Kb3
- 2.Qc5+
- 1...Ke5
- 2.Qd6+
- 2...Kf5
- 3.Sg3+
- 3...Kg4
- 4.Qf4#
- 4.Qxg6#
- 3...Kg5
- 4.Qf4#
- 3...Kg4
- 3.Qf6+
- 3...Kg4
- 4.Rh4#
- 4.Qg5#
- 4.Qf3#
- 4.Qf4#
- 4.Qe6#
- 4.Qxg6#
- 3...Kg4
- 3.Sc5
- threat
- 4.Qf4#
- 3...Kg4
- 4.Qf4#
- 4.Qxg6#
- 3...Kg5
- 4.Qf4#
- 3...g5
- 4.Qe6#
- threat
- 3.Sg5
- threat
- 4.Qf4#
- 3...Kg4
- 4.Qf4#
- 3...Kxg5
- 4.Qf4#
- threat
- 3.Sg3+
- 2...Kf5
- 2.Qe7+
- 2...Kd5
- 3.Rc1
- threat
- 4.Sf6#
- 4.Rc5#
- 4.Qd6#
- threat
- 3.Rc1
- 2...Kf5
- 3.Sg3+
- 3...Kg4
- 4.Qh4#
- 3...Kg4
- 3.Sd6+
- 3...Kg4
- 4.Qh4#
- 3...Kg4
- 3.Qf6+
- 3...Kg4
- 4.Rh4#
- 4.Qg5#
- 4.Qf3#
- 4.Qf4#
- 4.Qe6#
- 4.Qxg6#
- 3...Kg4
- 3.Rg1
- threat
- 4.Sd6#
- 4.Rg5#
- 4.Qf6#
- threat
- 3.Rh4
- threat
- 4.Sg3#
- 4.Sd6#
- 4.Rf4#
- 4.Qf6#
- threat
- 3.Sg3+
- 2...Kd5
- 2.Qf6+
- 2...Kd5
- 3.Rc1
- threat
- 4.Rc5#
- 4.Qd6#
- threat
- 3.Rc1
- 2...Kd5
- 2.Rd1
- threat
- 3.Qf6#
- 2...Bxe4
- 3.Rd6
- threat
- 4.Qf4#
- 4.Qf6#
- threat
- 3.Rd6
- threat
- 2.Qd6+
- 1...Ke6
- 2.Qd6+
- 2...Kf5
- 3.Sg3+
- 3...Kg4
- 4.Qf4#
- 4.Qxg6#
- 3...Kg5
- 4.Qf4#
- 3...Kg4
- 3.Qf6+
- 3...Kg4
- 4.Rh4#
- 4.Qg5#
- 4.Qf3#
- 4.Qf4#
- 4.Qe6#
- 4.Qxg6#
- 3...Kg4
- 3.Sc5
- threat
- 4.Qf4#
- 3...Kg4
- 4.Qf4#
- 4.Qxg6#
- 3...Kg5
- 4.Qf4#
- 3...g5
- 4.Qe6#
- threat
- 3.Sg5
- threat
- 4.Qf4#
- 3...Kg4
- 4.Qf4#
- 3...Kxg5
- 4.Qf4#
- threat
- 3.Sg3+
- 2...Kf7
- 3.Rh7+
- 3...Ke8
- 4.Sf6#
- 4.Qe7#
- 4.Qb8#
- 3...Kg8
- 4.Sf6#
- 3...Ke8
- 3.Rh7+
- 2...Kf5
- 2.Rd1
- threat
- 3.Qf6#
- 2...Bxe4
- 3.Rd6+
- 3...Ke5
- 4.Qf4#
- 4.Qf6#
- 3...Ke5
- 3.Kxe4
- 3...g5
- 4.Rd6#
- 3...g5
- 3.Rd6+
- 2...Bd5
- 3.Sc5+
- 3...Ke5
- 4.Qf4#
- 3...Ke5
- 3.Sc5+
- threat
- 2.Qd6+
- 1...Ba4
- 2.Qc5+
- 2...Ke6
- 3.Rh7
- threat
- 4.Re7#
- threat
- 3.Rh7
- 2...Ke6
- 2.Qd6+
- 2...Kc4
- 3.Rb1
- threat
- 4.Rb4#
- 4.Qc5#
- 4.Qd3#
- 4.Qd4#
- 4.Qe6#
- threat
- 3.Rb1
- 2...Kc4
- 2.Qc5+
- 1...Bb5
- 2.Qc5+
- 2...Ke6
- 3.Rh7
- threat
- 4.Re7#
- threat
- 3.Rh7
- 2...Ke6
- 2.Qd6+
- 2...Kc4
- 3.Rb1
- threat
- 4.Rb4#
- 4.Qc5#
- 4.Qd3#
- 4.Qd4#
- 4.Qe6#
- threat
- 3.Rb1
- 2...Kc4
- 2.Qc5+
- 1...Bb7
- 2.Qd6+
- 2...Kc4
- 3.Rb1
- threat
- 4.Rb4#
- 4.Qc5#
- 4.Qd3#
- 4.Qd4#
- threat
- 3.Rb1
- 2...Kc4
- 2.Qd6+
- 1...Bd7
- 2.Qc5+
- 2...Ke6
- 3.Rf1
- threat
- 4.Sg5#
- 4.Rf6#
- 4.Qd6#
- threat
- 3.Rh7
- threat
- 4.Re7#
- threat
- 3.Rf1
- 2...Ke6
- 2.Qd6+
- 2...Kc4
- 3.Rb1
- threat
- 4.Rb4#
- 4.Qc5#
- 4.Qd3#
- 4.Qd4#
- threat
- 3.Rb1
- 2...Kc4
- 2.Rb1
- threat
- 3.Qd6+
- 3...Kc4
- 4.Rb4#
- 4.Qc5#
- 4.Qd3#
- 4.Qd4#
- 3...Kc4
- 3.Qd6+
- 2...Ke5
- 3.Rd1
- threat
- 4.Qf6#
- 3...Ke6
- 4.Qf6#
- threat
- 3.Rd1
- 2...Ke6
- 3.Kd4
- threat
- 4.Sc5#
- 4.Sg5#
- 4.Qf6#
- threat
- 3.Rd1
- threat
- 4.Qf6#
- 3...Ke5
- 4.Qf6#
- threat
- 3.Kd4
- 2...Bh3
- 3.Qd6+
- 3...Kc4
- 4.Rb4#
- 4.Qc5#
- 4.Qd3#
- 4.Qd4#
- 4.Qc6#
- 3...Kc4
- 3.Rb6
- threat
- 4.Qc5#
- 3...Kc4
- 4.Qc5#
- 3...Ke5
- 4.Qc5#
- threat
- 3.Qd6+
- 2...Ba4
- 3.Qd6+
- 3...Kc4
- 4.Rb4#
- 4.Qc5#
- 4.Qd3#
- 4.Qd4#
- 4.Qe6#
- 3...Kc4
- 3.Qd6+
- 2...Bg4
- 3.Qd6+
- 3...Kc4
- 4.Rb4#
- 4.Qc5#
- 4.Qd3#
- 4.Qd4#
- 4.Qc6#
- 3...Kc4
- 3.Rb6
- threat
- 4.Qc5#
- 3...Kc4
- 4.Qc5#
- 3...Ke5
- 4.Qc5#
- threat
- 3.Qd6+
- 2...Bb5
- 3.Qd6+
- 3...Kc4
- 4.Rb4#
- 4.Qc5#
- 4.Qd3#
- 4.Qd4#
- 4.Qe6#
- 3...Kc4
- 3.Qd6+
- 2...Bf5
- 3.Qd6+
- 3...Kc4
- 4.Rb4#
- 4.Qc5#
- 4.Qd3#
- 4.Qd4#
- 4.Qc6#
- 3...Kc4
- 3.Qd6+
- 2...Bc6
- 3.Qd6+
- 3...Kc4
- 4.Rb4#
- 4.Qc5#
- 4.Qd3#
- 4.Qd4#
- 4.Qxc6#
- 3...Kc4
- 3.Qd6+
- 2...Bc8
- 3.Qd6+
- 3...Kc4
- 4.Rb4#
- 4.Qc5#
- 4.Qd3#
- 4.Qd4#
- 4.Qc6#
- 3...Kc4
- 3.Qxc8
- threat
- 4.Rb5#
- 3...Ke5
- 4.Rb5#
- threat
- 3.Rb6
- threat
- 4.Qc5#
- 3...Kc4
- 4.Qc5#
- 3...Ke5
- 4.Qc5#
- threat
- 3.Qd6+
- 2...Be8
- 3.Qd6+
- 3...Kc4
- 4.Rb4#
- 4.Qc5#
- 4.Qd3#
- 4.Qd4#
- 4.Qe6#
- 3...Kc4
- 3.Qd6+
- threat
- 2.Rc1
- threat
- 3.Qd6#
- 2...Ke5
- 3.Rc5+
- 3...Ke6
- 4.Sg5#
- 4.Qf6#
- 3...Ke6
- 3.Qf6+
- 3...Kd5
- 4.Rc5#
- 4.Qd6#
- 3...Kd5
- 3.Rd1
- threat
- 4.Qf6#
- 3...Ke6
- 4.Qf6#
- threat
- 3.Rc5+
- 2...Ke6
- 3.Sg5+
- 3...Kd5
- 4.Rc5#
- 4.Qc5#
- 3...Ke5
- 4.Rc5#
- 3...Kd5
- 3.Qf6+
- 3...Kd5
- 4.Rc5#
- 4.Qd6#
- 3...Kd5
- 3.Kd4
- threat
- 4.Sc5#
- 4.Sg5#
- 4.Qf6#
- threat
- 3.Rd1
- threat
- 4.Qf6#
- 3...Ke5
- 4.Qf6#
- threat
- 3.Sg5+
- threat
- 2.Qc5+
- 1...Ba8
- 2.Qd6+
- 2...Kc4
- 3.Rb1
- threat
- 4.Rb4#
- 4.Qc5#
- 4.Qd3#
- 4.Qd4#
- threat
- 3.Rb1
- 2...Kc4
- 2.Qd6+
- 1...Be8
- 2.Qd6+
- 2...Kc4
- 3.Rb1
- threat
- 4.Rb4#
- 4.Qc5#
- 4.Qd3#
- 4.Qd4#
- 4.Qe6#
- threat
- 3.Rb1
- 2...Kc4
- 2.Rc1
- threat
- 3.Qd6#
- 2...Ke5
- 3.Rc5+
- 3...Ke6
- 4.Qxe8#
- 3...Ke6
- 3.Qf6+
- 3...Kd5
- 4.Rc5#
- 4.Qd6#
- 3...Kd5
- 3.Rc5+
- 2...Ke6
- 3.Qf6+
- 3...Kd5
- 4.Rc5#
- 4.Qd6#
- 3...Kd7
- 4.Qd6#
- 3...Kd5
- 3.Qf6+
- threat
- 2.Qd6+
- threat
- 1.Se4!
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