This is the fifteenth match in our group stage: from Group 3, it’s Jim Propp up against Sunil Singh. The pitches are below, and at the end of this post there’s a poll where you can vote for your favourite bit of maths. Take a look at both pitches, vote for the bit of maths…

This is the fourteenth match in our group stage: from Group 2, it’s Vincent Pantaloni up against Sameer Shah. The pitches are below, and at the end of this post there’s a poll where you can vote for your favourite bit of maths. Take a look at both pitches, vote for the bit of maths…

This is the thirteenth match in our group stage: from Group 1, it’s Lucy Rycroft-Smith up against Alaric Stephen. The pitches are below, and at the end of this post there’s a poll where you can vote for your favourite bit of maths. Take a look at both pitches, vote for the bit of maths…

This is the twelfth match in our group stage: from Group 4, it’s Kyle D Evans up against Becky Warren. The pitches are below, and at the end of this post there’s a poll where you can vote for your favourite bit of maths. Take a look at both pitches, vote for the bit of…

This is the eleventh match in our group stage: from Group 1, it’s Jim Propp up against Sophie Carr. The pitches are below, and at the end of this post there’s a poll where you can vote for your favourite bit of maths. Take a look at both pitches, vote for the bit of maths…

This is the tenth match in our group stage: from Group 2, it’s Vincent Pantaloni up against Jorge Nuno Silva. The pitches are below, and at the end of this post there’s a poll where you can vote for your favourite bit of maths. Take a look at both pitches, vote for the bit of…

This is the ninth match in our group stage: from Group 1, it’s Lucy Rycroft-Smith up against Grant Sanderson. The pitches are below, and at the end of this post there’s a poll where you can vote for your favourite bit of maths. Take a look at both pitches, vote for the bit of maths…