Black to move. White is threatening to Queen. How can Black save this game?
6k1/p3P1pp/8/1p1q4/PKbP2P1/2P1RN1P/1P1N4/8 b – – 0 31
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Qd3+ Ka4
Qb3+ Kb5
Qd3+ Ka4
Qb3+ Kb5
Qd3+ Ka4
Qb3+ Kb5
Draw
1 … Qd6+
2 Ka5 Qb6+
3 Kb5 a5+
4 K3 b4+
5 cb4 Qb4#
1 … Qd6+
2 Ka5 Qb6+
3 Kb4 a5+
4 Ka3 b4+
5 cb4 ab4++ (or Qb4++)
1. … Qd6+
2. Ka5 Qb6+
3. Kb4 a5+
4. Ka3 b4+
5. cb Qb4#
1. …Qd6+ 2.Ka5. 2. Qc7+ Kb4 3 Qd6+…
1. …Qd6+ 2.Ka5. 2. Qc7+ Kb4 3 Qd6+…
1. …Qd6+ 2.Ka5. 2. Qc7+ Kb4 3 Qd6+…
where’s the problem?
1. Qe3+ and 2. Qg3+ and back again.. draw
My first thought is that black has perpetual check with 1.Qd6+ Ka5 2.Qb6+ Kb4
But wait, there’s more…
Push a pawn to a5, then one to b4.
White’s c pawn can try in vain to defend,
But black, taking back, brings the game to an end.
1… Qd6+ 2.Ka5 Qb6+ 33.Kb4 a5+ 34.Ka3 b4+ 35.cxb4 axb4# 0-1
At first, I thought it was perpetual, but black has a mate on deeper thought:
1. …..Qd6
2. Ka5 Qb6
3. Kb4
And here, I thought the repeat back to Qd6 draws (“Defensive Chess Tactic” afterall), but I did look at the alternatives from here and found:
3. …..a5!
4. Ka3 b4
5. cb4 ab4#
Qd6 – Qb6 – a5 – b4 mates.
1. … Qd6+
2. Ka5 Qb6+
3. Kb4 a5+
4. Ka3 Qd6#
Andreas, your 1st move was good but note you meant Qd6+ followed by Qb6+ AND you missed a5+ and the deadly b4+ with mate to follow.
1.Qd6+ Ka5
2. Qb6+ Kb4
3. a5+ Ka3
4. b4+ axb4
5. Qxb4 mate
Interesting puzzle. Black can even win this. 😀
1…Qd6+
2.Ka5 Qb6+
3.Kb4 a5+
4.Ka3 b4+
5.cxb4 Qxb4#